GMC 1999 SIERRA CK2 Owner'S Manual Download | Manualshive

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Scheduled Maintenance

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Long Trip/Highway Intervals -- Gasoline Engines

Every 7,500 Miles (12 500 km): Engine Oil and Filter

Change (or every 12 months, whichever occurs first).
Chassis Lubrication (or every 12 months, whichever
occurs first). Drive Axle Service. Tire Rotation.

Every 15,000 Miles (25 000 km): Shields and

Underhood Insulation Inspection (GVWR above
10,000 lbs. only).

Every 30,000 Miles (50 000 km): Fuel Filter

Replacement. Front Wheel Bearing Repack (2WD
only) (or at each brake relining, whichever
occurs first).

Every 50,000 Miles (83 000 km): Automatic

Transmission Service (vehicles over 8600 GVWR or
driven under severe conditions only).

Every 60,000 Miles (100 000 km): Engine Accessory

Drive Belt Inspection. Fuel Tank, Cap and Lines
Inspection. Exhaust Gas Recirculation System
Inspection. Evaporative Control System Inspection.

Long Trip/Highway Intervals -- Gasoline Engines

Every 100,000 Miles (166 000 km): Spark Plug Wire

Inspection. Spark Plug Replacement. Automatic
Transmission Service (normal conditions). Positive
Crankcase Ventilation (PCV) Valve Inspection.

Every 150,000 Miles (240 000 km): Cooling System

Service (or every 60 months, whichever occurs first).

These intervals only summarize maintenance services.
Be sure to follow the complete scheduled maintenance
on the following pages.

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Summary of Contents for 1999 SIERRA CK2

Page 1: ...erent conditions 5 1 Problems on the Road This section tells you what to do if you have a problem while driving such as a flat tire or overheated engine etc 6 1 Service and Appearance Care Here the manual tells you how to keep your vehicle running properly and looking good 7 1 Maintenance Schedule This section tells you when to perform vehicle maintenance and what fluids and lubricants to use 8 1 ...

Page 2: ...t appears in this manual Please keep this manual in your vehicle so it will be there if you ever need it when you re on the road If you sell the vehicle please leave this manual in it so the new owner can use it We support voluntary technician certification For Canadian Owners Who Prefer a French Language Manual Aux propriétaires canadiens Vous pouvez vous procurer un exemplaire de ce guide en fra...

Page 3: ... Index in back of the manual It s an alphabetical list of what s in the manual and the page number where you ll find it Safety Warnings and Symbols You will find a number of safety cautions in this book We use a box and the word CAUTION to tell you about things that could hurt you if you were to ignore the warning CAUTION These mean there is something that could hurt you or other people In the cau...

Page 4: ... that could damage your vehicle In the notice area we tell you about something that can damage your vehicle Many times this damage would not be covered by your warranty and it could be costly But the notice will tell you what to do to help avoid the damage When you read other manuals you might see CAUTION and NOTICE warnings in different colors or in different words You ll also see warning labels ...

Page 5: ...symbols have to do with your lamps MASTER LIGHTING SWITCH TURN SIGNALS PARKING LAMPS HAZARD WARNING FLASHER DAYTIME RUNNING LAMPS FOG LAMPS These symbols are on some of your controls WINDSHIELD WIPER WINDSHIELD WASHER WINDSHIELD DEFROSTER REAR WINDOW DEFOGGER VENTILATING FAN These symbols are used on warning and indicator lights ENGINE COOLANT TEMP BATTERY CHARGING SYSTEM BRAKE COOLANT ENGINE OIL ...

Page 6: ...yellowblue vi Model Reference This manual covers these models Regular Cab Pickup Extended Cab Pickup Crew Cab Chassis Cab 3500 HD Chassis Cab ...

Page 7: ...ere Are Questions Many People Ask About Safety Belts and the Answers 1 14 How to Wear Safety Belts Properly 1 14 Driver Position 1 22 Safety Belt Use During Pregnancy 1 23 Right Front Passenger Position 1 23 Air Bag System 1 35 Center Passenger Position 1 37 Rear Seat Passengers 1 43 Rear Safety Belt Comfort Guides for Children and Small Adults 1 45 Children 1 48 Child Restraints 1 68 Larger Child...

Page 8: ...e sudden movement could startle and confuse you or make you push a pedal when you don t want to Adjust the driver s seat only when the vehicle is not moving If your vehicle has a manual bucket split bench or full bench seat you can adjust it with this lever at the front of the seat Slide the lever at the front of the seat toward the passenger s side to unlock it Using your body slide the seat to w...

Page 9: ...e seat move the front lever up To lower the front of the seat move the front lever down To raise the rear of the seat move the rear lever up To lower the rear of the seat move the rear lever down The switch located at the front of this control panel is for the power lumbar adjustment which is explained next Power Lumbar Control If you have power lumbar adjustment you can increase or decrease lumba...

Page 10: ...ust the front seatback move the lever rearward Release the lever to lock the seatback where you want it Move the lever again rearward and the seatback will go to an upright position But don t have a seatback reclined if your vehicle is moving ...

Page 11: ...hen the vehicle is in motion have the seatback upright Then sit well back in the seat and wear your safety belt properly Head Restraints Slide the head restraint up or down so that the top of the restraint is closest to the top of your ears This position reduces the chance of a neck injury in a crash Seatback Latches The front seatback of the base level bench seat folds forward to let you access t...

Page 12: ...atback to be sure it is locked Easy Entry Seat Extended Cab Only The manual driver and passenger front bucket seats and the manual 60 40 split bench seat of your vehicle have an easy entry feature This makes it easy to get in and out of the rear seat On vehicles with the power driver s seat only the front passenger s seat has the easy entry feature To operate the seat pull forward on the top of th...

Page 13: ... unlocked easy entry seat could be startled by the sudden movement and hit the wrong control or pedal causing an accident After you ve used it be sure to push rearward on any easy entry seat to be sure it is locked Rear Seat Extended Cab Folding the Rear Seat The extended cab may have a rear folding seat which can be folded up to provide more cargo space To fold the seat 1 Pull forward on the RELE...

Page 14: ...he seatback forward to make sure it is locked Rear Seat Crew Cab The rear seatback without a center armrest can be folded forward to let you reach the area behind it Your seatback will move back and forth freely unless you come to a sudden stop Then it will lock into place The rear seatback with a center armrest folds forward to let you access the area behind it To fold a seatback forward pull thi...

Page 15: ...be seriously injured or killed In the same crash you might not be if you are buckled up Always fasten your safety belt and check that your passengers belts are fastened properly too CAUTION It is extremely dangerous to ride in a cargo area inside or outside of a vehicle In a collision people riding in these areas are more likely to be seriously injured or killed Do not allow people to ride in any ...

Page 16: ... that even buckled up a person wouldn t survive But most crashes are in between In many of them people who buckle up can survive and sometimes walk away Without belts they could have been badly hurt or killed After more than 30 years of safety belts in vehicles the facts are clear In most crashes buckling up does matter a lot Why Safety Belts Work When you ride in or on anything you go as fast as ...

Page 17: ...yellowblue 1 11 Put someone on it Get it up to speed Then stop the vehicle The rider doesn t stop ...

Page 18: ...yellowblue 1 12 The person keeps going until stopped by something In a real vehicle it could be the windshield or the instrument panel ...

Page 19: ...y belt even if you re upside down And your chance of being conscious during and after an accident so you can unbuckle and get out is much greater if you are belted Q If my vehicle has air bags why should I have to wear safety belts A Air bags are in many vehicles today and will be in most of them in the future But they are supplemental systems only so they work with safety belts not instead of the...

Page 20: ...o Wear Safety Belts Properly Adults This part is only for people of adult size Be aware that there are special things to know about safety belts and children And there are different rules for smaller children and babies If a child will be riding in your vehicle see the part of this manual called Children Follow those rules for everyone s protection First you ll want to know which restraint systems...

Page 21: ...e to unbuckle the safety belt quickly if you ever had to The lap part of the belt should be worn low and snug on the hips just touching the thighs In a crash this applies force to the strong pelvic bones And you d be less likely to slide under the lap belt If you slid under it the belt would apply force at your abdomen This could cause serious or even fatal injuries The shoulder belt should go ove...

Page 22: ...djuster to the desired position You can move the adjuster up just by pushing up on the shoulder belt guide After you move the adjuster to where you want it try to move it down without pushing in to make sure it has locked into position Adjust the height so that the shoulder portion of the belt is centered on your shoulder The belt should be away from your face and neck but not falling off your sho...

Page 23: ...r belt is too loose It won t give nearly as much protection this way CAUTION You can be seriously hurt if your shoulder belt is too loose In a crash you would move forward too much which could increase injury The shoulder belt should fit against your body ...

Page 24: ...TION You can be seriously injured if your belt is buckled in the wrong place like this In a crash the belt would go up over your abdomen The belt forces would be there not at the pelvic bones This could cause serious internal injuries Always buckle your belt into the buckle nearest you ...

Page 25: ...iously injured if your belt goes over an armrest like this The belt would be much too high In a crash you can slide under the belt The belt force would then be applied at the abdomen not at the pelvic bones and that could cause serious or fatal injuries Be sure the belt goes under the armrests ...

Page 26: ...ou can be seriously injured if you wear the shoulder belt under your arm In a crash your body would move too far forward which would increase the chance of head and neck injury Also the belt would apply too much force to the ribs which aren t as strong as shoulder bones You could also severely injure internal organs like your liver or spleen ...

Page 27: ... is twisted across the body CAUTION You can be seriously injured by a twisted belt In a crash you wouldn t have the full width of the belt to spread impact forces If a belt is twisted make it straight so it can work properly or ask your dealer to fix it ...

Page 28: ...door on it you can damage both the belt and your vehicle Safety Belt Use During Pregnancy Safety belts work for everyone including pregnant women Like all occupants they are more likely to be seriously injured if they don t wear safety belts A pregnant woman should wear a lap shoulder belt and the lap portion should be worn as low as possible below the rounding throughout the pregnancy ...

Page 29: ...ept for one thing If you ever pull the lap portion of the belt out all the way you will engage the child restraint locking feature If this happens just let the belt go back all the way and start again Air Bag System This part explains the air bag system Your vehicle may have a Next Generation frontal air bag for the driver and another Next Generation frontal air bag for the right front passenger I...

Page 30: ... t designed to inflate at all in rollover rear side or low speed frontal crashes And for unrestrained occupants Next Generation air bags may provide less protection in frontal crashes than more forceful air bags have provided in the past Everyone in your vehicle should wear a safety belt properly whether or not there s an air bag for that person CAUTION Air bags inflate with great force faster tha...

Page 31: ...ag system is designed for them Young children and infants need the protection that a child restraint system can provide Always secure children properly in your vehicle To read how see the part of this manual called Children and see the caution labels on the sunvisors and the right front passenger s safety belt There is an air bag readiness light on the instrument panel which shows AIR BAG The syst...

Page 32: ...blue 1 26 How the Air Bag System Works Where are the air bags The driver s air bag is in the middle of the steering wheel The right front passenger s air bag is in the instrument panel on the passenger s side ...

Page 33: ... the threshold level will be higher The air bag is not designed to inflate in rollovers side impacts or rear impacts because inflation would not help the occupant In any particular crash no one can say whether an air bag should have inflated simply because of the damage to a vehicle or because of what the repair costs were Inflation is determined by the angle of the impact and how quickly the vehi...

Page 34: ...tes it quickly deflates so quickly that some people may not even realize the air bag inflated Some components of the air bag module the steering wheel hub for the driver s air bag or the instrument panel for the right front passenger s bag will be hot for a short time The parts of the bag that come into contact with you may be warm but not too hot to touch There will be some smoke and dust coming ...

Page 35: ...ervice can mean that your air bag system won t work properly See your dealer for service NOTICE If you damage the covering for the driver s or the right front passenger s air bag the bag may not work properly You may have to replace the air bag module in the steering wheel or both the air bag module and the instrument panel for the right front passenger s air bag Do not open or break the air bag c...

Page 36: ...ar facing infant seat or D the infant has a medical condition which according to the infant s physician makes it necessary for the infant to ride in the front seat so that the driver can constantly monitor the child s condition Child age 1 to 12 A child age 1 to 12 must ride in the front seat because D my vehicle has no rear seat D although children ages 1 to 12 ride in the rear seat s whenever po...

Page 37: ...in a risk group identified by the national government that person won t have the extra protection of an air bag In a crash the air bag wouldn t be able to inflate and help protect the person sitting there Don t turn off the passenger s air bag unless the person sitting there is in a risk group To turn off the right front passenger s air bag insert your ignition key into the switch push in and move...

Page 38: ...off If this ever happens don t let anyone whom the national government has identified as a member of a passenger air bag risk group sit in the right front passenger s position for example don t secure a rear facing child restraint in the right front passenger s seat until you have your vehicle serviced To turn the right front passenger s air bag on again insert your ignition key into the switch pu...

Page 39: ... To purchase a service manual see Service and Owner Publications in the Index CAUTION For up to 10 minutes after the ignition key is turned off and the battery is disconnected an air bag can still inflate during improper service You can be injured if you are close to an air bag when it inflates Avoid wires wrapped with yellow tape or yellow connectors They are probably part of the air bag system B...

Page 40: ...bag system from working properly Also the air bag system may not work properly if you relocate any of the air bag sensors If you have any questions about this you should contact Customer Assistance before you modify your vehicle The phone numbers and addresses for Customer Assistance are in Step Two of the Customer Satisfaction Procedure in this manual See Customer Satisfaction Procedure in the In...

Page 41: ...yellowblue 1 35 Center Passenger Position Lap Belt If your vehicle has front and rear bench seats someone can sit in the center positions Rear Extended and Crew Cab ...

Page 42: ...lue 1 36 Front All When you sit in a center seating position you have a lap safety belt which has no retractor To make the belt longer tilt the latch plate and pull it along the belt Rear Extended and Crew Cab ...

Page 43: ...the safety belt quickly if you ever had to Rear Seat Passengers It s very important for rear seat passengers to buckle up Accident statistics show that unbelted people in the rear seat are hurt more often in crashes than those who are wearing safety belts Rear passengers who aren t safety belted can be thrown out of the vehicle in a crash And they can strike others in the vehicle who are wearing s...

Page 44: ...the latch plate into the buckle until it clicks If the belt stops before it reaches the buckle tilt the latch plate and keep pulling until you can buckle it Pull up on the latch plate to make sure it is secure If the belt is not long enough see Safety Belt Extender at the end of this section Make sure the release button on the buckle is positioned so you would be able to unbuckle the safety belt q...

Page 45: ...s just touching the thighs In a crash this applies force to the strong pelvic bones And you d be less likely to slide under the lap belt If you slid under it the belt would apply force at your abdomen This could cause serious or even fatal injuries The shoulder belt should go over the shoulder and across the chest These parts of the body are best able to take belt restraining forces ...

Page 46: ... stop or a crash CAUTION You can be seriously hurt if your shoulder belt is too loose In a crash you would move forward too much which could increase injury The shoulder belt should fit against your body To unlatch the belt just push the button on the buckle ...

Page 47: ...ve lap shoulder belts Here s how to wear one properly 1 Pick up the latch plate and pull the belt across you Don t let it get twisted 2 Push the latch plate into the buckle until it clicks Pull up on the latch plate to make sure it is secure When the lap belt is pulled out all the way it will lock If it does let it go back all the way and start again If the belt is not long enough see Safety Belt ...

Page 48: ... slide under the lap belt If you slid under it the belt would apply force at your abdomen This could cause serious or even fatal injuries The shoulder belt should go over the shoulder and across the chest These parts of the body are best able to take belt restraining forces The safety belt locks only if there s a sudden stop or a crash CAUTION You can be seriously hurt if your shoulder belt is too...

Page 49: ... for children who have outgrown child restraints and for small adults When installed on a shoulder belt the comfort guide pulls the belt away from the neck and head There is one guide for each outside passenger position in the rear seat To provide added safety belt comfort for children who have outgrown child restraints and for smaller adults the comfort guides may be installed on the shoulder bel...

Page 50: ...e the guide under and past the belt The elastic cord must be under the belt Then place the guide over the belt and insert the two edges of the belt into the slots of the guide 3 Be sure that the belt is not twisted and it lies flat The elastic cord must be under the belt and the guide on top ...

Page 51: ...he guides Slide the guide onto the storage clip Make sure you remove the comfort guide from the belt before you fold a rear seat down or use an easy entry seat if your vehicle has one Children Everyone in a vehicle needs protection That includes infants and all children smaller than adult size Neither the distance traveled nor the age and size of the traveler changes the need for everyone to use s...

Page 52: ...ery young child s hip bones are so small that a regular belt might not stay low on the hips as it should Instead the belt will likely be over the child s abdomen In a crash the belt would apply force right on the child s abdomen which could cause serious or fatal injuries So be sure that any child small enough for one is always properly restrained in a child or infant restraint Infants need comple...

Page 53: ...il a crash During a crash a baby will become so heavy you can t hold it For example in a crash CAUTION Continued CAUTION Continued at only 25 mph 40 km h a 12 lb 5 5 kg baby will suddenly become a 240 lb 110 kg force on your arms The baby would be almost impossible to hold Secure the baby in an infant restraint ...

Page 54: ...es When selecting a child restraint take into consideration not only the child s weight and size but also whether or not the restraint will be compatible with the motor vehicle in which it will be used An infant car bed A is a special bed made for use in a motor vehicle It s an infant restraint system designed to restrain or position a child on a continuous flat surface With an infant car bed make...

Page 55: ...restraints are designed for infants of up to about 20 lbs 9 kg and about one year of age This type of restraint faces the rear so that the infant s head neck and body can have the support they need in a frontal crash Some infant seats come in two parts the base stays secured in the vehicle and the seat part is removable ...

Page 56: ...These forward facing restraints are designed to help protect children who are from 20 to 40 lbs 9 to 18 kg and about 26 to 40 inches 66 to 102 cm in height or up to around four years of age One type a convertible restraint is designed to be used either as a rear facing infant seat or a forward facing child seat ...

Page 57: ...to 27 kg or even up to 36 kg and about four to eight years of age A booster seat is designed to improve the fit of the vehicle s safety belt system Booster seats with shields use lap only belts however booster seats without shields use lap shoulder belts Booster seats can also help a child to see out the window ...

Page 58: ...The child restraint must be secured properly in the center or right front passenger seat Keep in mind that an unsecured child restraint can move around in a collision or sudden stop and injure people in the vehicle Be sure to properly secure any child restraint in your vehicle even when no child is in it Where to Put the Restraint Extended Cab and Crew Cab Accident statistics show that children ar...

Page 59: ... mind that an unsecured child restraint can move around in a collision or sudden stop and injure people in the vehicle Be sure to properly secure any child restraint in your vehicle even when no child is in it Top Strap Canadian law requires that forward facing child restraints have a top strap and that the strap be anchored Ifyourchildrestrainthasatopstrap itshouldbeanchored If youneedtohaveananc...

Page 60: ...t has one Be sure to follow the instructions that came with the child restraint Secure the child in the child restraint when and as the instructions say 1 Put the restraint on the seat 2 Pick up the latch plate and run the lap and shoulder portions of the vehicle s safety belt through or around the restraint The child restraint instructions will show you how Tilt the latch plate to adjust the belt...

Page 61: ...ckly if you ever had to 4 To tighten the belt pull up on the shoulder belt while you push down on the child restraint If you re using a forward facing child restraint you may find it helpful to use your knee to push down on the child restraint as you tighten the belt Make sure the buckle end of the belt is pulled out all the way ...

Page 62: ... in a Rear Outside Seat Position Extended Cab earlier in this section You ll be using the lap shoulder belt See the earlier part about the top strap if the child restraint has one Be sure to follow the instructions that came with the child restraint Secure the child in the child restraint when and as the instructions say 1 Put the restraint on the seat 2 Pick up the latch plate and run the lap and...

Page 63: ...3 Buckle the belt Make sure the release button is positioned so you would be able to unbuckle the safety belt quickly if you ever had to 4 Pull the rest of the lap belt all the way out of the retractor to set the lock ...

Page 64: ...ay find it helpful to use your knee to push down on the child restraint as you tighten the belt 6 Push and pull the child restraint in different directions to be sure it is secure To remove the child restraint just unbuckle the vehicle s safety belt and let it go back all the way The safety belt will move freely again and be ready to work for an adult or larger child passenger ...

Page 65: ...You ll be using the lap belt Be sure to follow the instructions that came with the child restraint Secure the child in the child restraint when and as the instructions say See the earlier part about the top strap if the child restraint has one Rear Extended and Crew Cab ...

Page 66: ...long as possible by tilting the latch plate and pulling it along the belt 2 Put the restraint on the seat 3 Run the vehicle s safety belt through or around the restraint The child restraint instructions will show you how Rear Extended and Crew Cab ...

Page 67: ...le you push down on the child restraint If you re using a forward facing child restraint you may find it helpful to use your knee to push down on the child restraint as you tighten the belt 6 Push and pull the child restraint in different directions to be sure it is secure To remove the child restraint just unbuckle the vehicle s safety belt It will be ready to work for an adult or larger child pa...

Page 68: ...hild in the child restraint when and as the instructions say 1 Put the restraint on the seat 2 Pick up the latch plate and run the lap and shoulder portions of the vehicle s safety belt through or around the restraint The child restraint instructions will show you how If the shoulder belt goes in front of the child s face or neck put it behind the child restraint 3 Buckle the belt Make sure the re...

Page 69: ...g a forward facing child restraint you may find it helpful to use your knee to push down on the child restraint as you tighten the belt 6 Push and pull the child restraint in different directions to be sure it is secure To remove the child restraint just unbuckle the vehicle s safety belt and let it go back all the way The safety belt will move freely again and be ready to work for an adult or lar...

Page 70: ...n this including important safety information CAUTION A child in a rear facing child restraint can be seriously injured or killed if the right front passenger s air bag inflates even though your vehicle has Next Generation frontal air bags This is because the back of the rear facing child restraint would be very close to the inflating air bag Be sure to turn off the air bag before using a rear fac...

Page 71: ...part about the top strap if the child restraint has one Be sure to follow the instructions that came with the child restraint Secure the child in the child restraint when and as the instructions say 1 If your vehicle has air bags and you are using a rear facing child restraint in this seat make sure the air bag is turned off See AIR BAG OFF Switch in the Index If your child restraint is forward fa...

Page 72: ...4 Buckle the belt Make sure the release button is positioned so you would be able to unbuckle the safety belt quickly if you ever had to 5 Pull the rest of the lap belt all the way out of the retractor to set the lock ...

Page 73: ...d passenger If your vehicle has air bags turn on the right front passenger s air bag when you remove the rear facing child restraint from the vehicle unless the person who will be sitting there is a member of a passenger air bag risk group See AIR BAG OFF Switch in the Index CAUTION If the right front passenger s air bag is turned off for a person who isn t in a risk group identified by the nation...

Page 74: ...ndow so the child can wear a lap shoulder belt and get the additional restraint a shoulder belt can provide Accident statistics show that children are safer if they are restrained in the rear seat But they need to use the safety belts properly D Children who aren t buckled up can be thrown out in a crash D Children who aren t buckled up can strike other people who are ...

Page 75: ...lder belt is very close to the child s face or neck A Move the child toward the center of the vehicle but be sure that the shoulder belt still is on the child s shoulder so that in a crash the child s upper body would have the restraint that belts provide If the child is sitting in a rear seat outside position see Rear Safety Belt Comfort Guides in the Index If the child is so small that the shoul...

Page 76: ...e belt in this way in a crash the child might slide under the belt The belt s force would then be applied right on the child s abdomen That could cause serious or fatal injuries Wherever the child sits the lap portion of the belt should be worn low and snug on the hips just touching the child s thighs This applies belt force to the child s pelvic bones in a crash ...

Page 77: ... that might keep a safety belt system from doing its job have it repaired Torn or frayed safety belts may not protect you in a crash They can rip apart under impact forces If a belt is torn or frayed get a new one right away Also look for any opened or broken air bag covers and have them repaired or replaced The air bag system does not need regular maintenance Replacing Restraint System Parts Afte...

Page 78: ...yellowblue 1 72 NOTES ...

Page 79: ...ngine 2 15 Engine Coolant Heater If Equipped 2 16 Automatic Transmission Operation 2 19 Manual Transmission Operation 2 21 Four Wheel Drive If Equipped 2 25 Parking Brake 2 27 Shifting Into Park P Automatic Transmission Only 2 29 Shifting Out of Park P Automatic Transmission 2 30 Parking Your Vehicle Manual Transmission Only 2 30 Parking Over Things That Burn 2 31 Engine Exhaust 2 31 Running Your ...

Page 80: ...n a vehicle with the ignition key is dangerous for many reasons A child or others could be badly injured or even killed They could operate power windows or other controls or even make the vehicle move Don t leave the keys in a vehicle with children ...

Page 81: ...age your vehicle to get in So be sure you have an extra key Tailgate You can open the tailgate by lifting up on its handle while pulling the tailgate toward you To shut the tailgate firmly push it away from you into the latch After you put the tailgate back up pull it back toward you to be sure that it latches securely Tailgate Removal The tailgate on your vehicle can be removed to allow for diffe...

Page 82: ...n the tailgate at the right edge and then move the tailgate to the right to release the left edge Reverse the above procedure to reinstall Make sure the tailgate is secure Third Door If Equipped Your vehicle may be equipped with a third door that allows easier access to the rear area of an extended cab To open the third door first open the passenger s side front door Then use the handle located on...

Page 83: ...e This may not be so obvious You increase the chance of being thrown out of the vehicle in a crash if the doors aren t locked Wear safety belts properly lock your doors and you will be far better off whenever you drive your vehicle There are several ways to lock and unlock your vehicle From the outside use your key or the keyless entry system if your vehicle has this option To lock the door from t...

Page 84: ...on your vehicle s horn will chirp if you press the LOCK button twice to let you know that the doors have locked Your keyless entry system operates on a radio frequency subject to Federal Communications Commission FCC Rules and with Industry Canada This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference...

Page 85: ...rned on If you press the UNLOCK button again within five seconds all the remaining doors will unlock Press the LOCK button to lock all the doors The interior lamps will come on for two seconds as soon as all the doors are closed If you press the LOCK button twice the horn will chirp to confirm that the doors have locked This will only occur if the transmitter has been programmed with the ignition ...

Page 86: ...care not to touch any of the circuitry Static from your body transferred to these surfaces may damage the transmitter Use one three volt type CR2032 or equivalent battery To replace the battery 1 Insert a small coin or flathead screwdriver to separate the bottom of the transmitter from the top 2 Remove the battery and replace it with a new one making sure the positive side of the battery is facing...

Page 87: ...Ignition If you leave your vehicle with the keys inside it s an easy target for joy riders or professional thieves so don t do it When you park your vehicle and open the driver s door you ll hear a tone reminding you to remove your key from the ignition and take it with you Always do this Your steering wheel will be locked and so will your ignition If you have an automatic transmission taking your...

Page 88: ... system is not working properly and must be serviced by your dealer Your vehicle is not protected by Passlock at this time You may also want to check the fuse see Fuses and Circuit Breakers in the Index See your dealer for service In an emergency call the GM Roadside Assistance Center New Vehicle Break In NOTICE Your vehicle doesn t need an elaborate break in But it will perform better in the long...

Page 89: ...ren You can use your key to turn your ignition switch to five different positions ACCESSORY A ACCESSORY lets you use things like the radio power windows and the windshield wipers when the engine is off Push in the key and turn it toward you Your steering wheel will remain locked just as it was before you inserted the key LOCK B This position locks your ignition steering wheel and transmission It s...

Page 90: ...eering column and result in a loss of ability to steer the vehicle This could cause a collision If you need to turn the engine off while the vehicle is moving turn the key only to OFF Don t press the key release button while the vehicle is moving NOTICE If your key seems stuck in LOCK and you can t turn it be sure you are using the correct key if so is it all the way in If it is then turn the stee...

Page 91: ...Your Gasoline Engine If you have a diesel engine see Starting Your Diesel Engine in the Diesel Engine Supplement Automatic Transmission Move your shift lever to PARK P or NEUTRAL N Your engine won t start in any other position that s a safety feature To restart when you re already moving use NEUTRAL N only NOTICE Don t try to shift to PARK P if your vehicle is moving If you do you could damage the...

Page 92: ...in START If it doesn t start in 10 seconds push the accelerator pedal all the way down for five more seconds unless it starts sooner 3 If your engine still won t start or starts but then stops wait 15 seconds and start over When the engine starts let go of the key and the accelerator pedal NOTICE Your engine is designed to work with the electronics in your vehicle If you add electrical parts or ac...

Page 93: ...to an ungrounded outlet could cause an electrical shock Also the wrong kind of extension cord could overheat and cause a fire You could be seriously injured Plug the cord into a properly grounded three prong 110 volt AC outlet If the cord won t reach use a heavy duty three prong extension cord rated for at least 15 amps 4 Before starting the engine be sure to unplug and store the cord as it was be...

Page 94: ...eels It s the best position to use when you start your engine because your vehicle can t move easily CAUTION It is dangerous to get out of your vehicle if the shift lever is not fully in PARK P with the parking brake firmly set Your vehicle can roll Don t leave your vehicle when the engine is running unless you have to If you have left the engine running the vehicle can move suddenly You or others...

Page 95: ...gine doesn t connect with the wheels To restart when you re already moving use NEUTRAL N only Also use NEUTRAL N when your vehicle is being towed CAUTION Shifting out of PARK P or NEUTRAL N while your engine is racing running at high speed is dangerous Unless your foot is firmly on the brake pedal your vehicle could move very rapidly You could lose control and hit people or objects Don t shift out...

Page 96: ...ur speed as you go down steep mountain roads but then you would also want to use your brakes off and on If you manually select SECOND 2 the transmission will drive in second gear You may use this feature for reducing torque to the rear wheels when you are trying to start your vehicle from a stop on slippery road surfaces FIRST 1 This position gives you even more power but lower fuel economy than S...

Page 97: ...lowly let up on the clutch pedal as you press the accelerator pedal You can shift into SECOND 2 when you re going less than 20 mph 32 km h If you ve come to a complete stop and it s hard to shift into SECOND 2 put the shift lever into NEUTRAL N and let up on the clutch Press the clutch pedal back down Then shift into SECOND 2 If you try to downshift into SECOND 2 at excessive vehicle speeds the sh...

Page 98: ... vehicle is moving could damage your transmission Also use REVERSE R along with the parking brake when turning off your engine and parking your vehicle Shift Speeds CAUTION If you skip more than one gear when you downshift you could lose control of your vehicle You could injure yourself or others Don t shift down more than one gear at a time when you down shift If your speed drops below 20 mph 32 ...

Page 99: ... SHIFT light when you downshift If your vehicle has four wheel drive and is equipped with a manual transmission disregard the SHIFT light when the transfer case is in 4 Wheel Low Four Wheel Drive If Equipped If your vehicle has four wheel drive you can send your engine s driving power to all four wheels for extra traction To get the most satisfaction out of four wheel drive you must be familiar wi...

Page 100: ...wheel drive The front axle portion of the indicator diagram will light up when you shift into four wheel drive and the front axle engages Some delay between shifting and the indicator s lighting is normal If the front axle light does not go out immediately after you shift out of four wheel drive have your dealer check your system An indicator near the lever shows you the transfer case settings 2 W...

Page 101: ...EL HIGH 4H to 2 WHEEL HIGH 2H while the vehicle is moving Your front axle will engage faster if you take your foot off the accelerator for a few seconds after you shift In extremely cold weather it may be necessary to stop or slow the vehicle to shift into 4 WHEEL HIGH 4H To shift into or out of 4 WHEEL LOW 4L or NEUTRAL N 1 Slow the vehicle to a roll about 1 to 3 mph 2 to 5 km h and shift an auto...

Page 102: ...icy roads or in most off road situations 4LO This setting also engages your front axle to give you extra traction You may never need 4LO It sends the maximum power to all four wheels You might choose 4LO if you were driving off road in sand mud or deep snow and climbing or descending steep hills Indicator lights in the switches show you which setting you are in The indicator lights will come on br...

Page 103: ... your vehicle is moving slower than 3 mph 4 8 km h and the transmission is in NEUTRAL N After 30 seconds the transfer case will return to 4HI Shifting from 4LO to 4HI or 2HI To shift from 4LO to 4HI or 2HI your vehicle must be stopped or moving less than 3 mph 4 8 km h with the transmission in NEUTRAL N The preferred method for shifting out of 4LO is to have your vehicle moving 1 to 2 mph 1 6 to 3...

Page 104: ...ur parking brake is fully released before you drive If you are towing a trailer and are parking on any hill see Towing a Trailer in the Index That section shows what to do first to keep the trailer from moving If you have a 3500 HD model it is recommended that the propshaft mounted parking brake be burnished as part of the new vehicle break in The parking brake will work best after it has been bur...

Page 105: ...To be sure your vehicle won t move even when you re on fairly level ground use the steps that follow With four wheel drive if your transfer case is in NEUTRAL N your vehicle will be free to roll even if your shift lever is in PARK P So be sure the transfer case is in a drive gear not in NEUTRAL N If you re pulling a trailer see Towing a Trailer in the Index 1 Hold the brake pedal down with your ri...

Page 106: ...e dangerous to leave your vehicle with the engine running Your vehicle could move suddenly if the shift lever is not fully in PARK P with the parking brake firmly set If you have four wheel drive with a manual transfer case shift lever and your transfer case is in NEUTRAL N your vehicle will be free to roll even if your shift lever is in PARK P So be sure the transfer case is in a drive gear not i...

Page 107: ...rive move the shift lever out of PARK P before you release the parking brake If torque lock does occur you may need to have another vehicle push yours a little uphill to take some of the pressure from the parking pawl in the transmission so you can pull the shift lever out of PARK P Shifting Out of PARK P Automatic Transmission CAUTION Before shifting out of PARK P you must fully apply your regula...

Page 108: ...e your transfer case is in a drive gear Your vehicle could roll if it isn t If you are parking on a hill or if you are pulling a trailer see Towing a Trailer in the Index CAUTION Shifting the transfer case to NEUTRAL N can cause your vehicle to roll even if the manual transmission is in gear You or someone else could be seriously injured Be sure to set the parking brake before placing the transfer...

Page 109: ...nto your vehicle D Drive it only with all the windows down to blow out any CO and D Have your vehicle fixed immediately Running Your Engine While You re Parked Automatic Transmission It s better not to park with the engine running But if ever you have to here are some things to know CAUTION Idling the engine with the climate control system off could allow dangerous exhaust into your vehicle see th...

Page 110: ...N will allow the vehicle to roll even if your shift lever is in PARK P So be sure the transfer case is in a drive gear not in NEUTRAL N Always set your parking brake Follow the proper steps to be sure your vehicle won t move See Shifting Into PARK P in the Index If you re pulling a trailer see Towing a Trailer in the Index Locking Rear Axle If Equipped If you have this feature your locking rear ax...

Page 111: ...ach of the side doors The driver s door has a switch for the passenger windows as well Your power windows will work when the ignition has been turned to ACCESSORY or RUN Press the rear of the switch with the power window symbol on it to lower the window Press the front of the switch with the power window symbol on it to raise the window ...

Page 112: ... The windows can still be operated using the driver s window switch When the switch is moved to NORM the rear power windows will operate again Swing Out Windows Extended Cab To open a rear swing out window just flip the latch open and swing the glass out The latch will catch when the window is fully open and will hold the window in the open position Sliding Rear Window If Equipped To open the slid...

Page 113: ... legs more room when you enter and exit the vehicle To tilt the wheel hold the steering wheel and pull the lever Move the steering wheel to a comfortable level then release the lever to lock the wheel in place Turn Signal Multifunction Lever The lever on the left side of the steering column includes your D Turn Signal and Lane Change Indicator D Headlamp High Low Beam Changer D Windshield Wipers D...

Page 114: ... you complete your lane change The lever will return by itself when you release it If you move the lever all the way up or down and the arrow flashes at twice the normal rate a signal bulb may be burned out and other drivers may not see your turn signal If a bulb is burned out replace it to help avoid an accident If the arrows don t go on at all when you signal a turn check for burned out bulbs an...

Page 115: ...ping turn the knob further to HIGH To stop the wipers turn the knob to OFF Damaged wiper blades may prevent you from seeing well enough to drive safely To avoid damage be sure to clear ice and snow from the wiper blades before using them If they are frozen to the windshield carefully loosen or thaw them If your blades do become damaged get new blades or blade inserts Heavy ice or snow can overload...

Page 116: ... push the paddle When you let go of the paddle the wipers will continue to wipe for a few seconds and then either stop or return to the preset speed The use of a hood mounted air deflector may adversely affect windshield wiper and washer performance Cruise Control If Equipped With cruise control you can maintain a speed of about 25 mph 40 km h or more without keeping your foot on the accelerator T...

Page 117: ...ise control switch off until you want to use it 1 Move the cruise switch to ON 2 Get up to the speed you want 3 Press in the SET button at the end of the lever and release it 4 Take your foot off the accelerator pedal Resuming a Set Speed Suppose you set your cruise control at a desired speed and then you apply the brake This of course shuts off the cruise control But you don t need to reset it On...

Page 118: ...m h slower Passing Another Vehicle While Using Cruise Control Use the accelerator pedal to increase your speed When you take your foot off the pedal your vehicle will slow down to the cruise control speed you set earlier Using Cruise Control on Hills How well your cruise control will work on hills depends upon your speed load and the steepness of the hills When going up steep hills you may have to...

Page 119: ...kwise to OFF to turn off your lamps Rotate the thumb wheel next to the knob up to adjust instrument panel lights Rotate the thumb wheel up to the first notch to return the radio display and gearshift indicator LED display to full intensity when the headlamps or parking lamps are on You can switch your headlamps from high to low beams by pulling on the turn signal multifunction lever Headlamps On R...

Page 120: ...r headlamps will change to the reduced brightness of DRL To idle your vehicle with the DRL off set the parking brake The DRL will stay off until you release the parking brake As with any vehicle you should turn on the regular headlamp system when you need it Interior Lamps Instrument Panel Intensity Control The instrument panel intensity control is located to the right of the headlamp switch Rotat...

Page 121: ... knob all the way up to the second notch In this position the dome lamps will remain on whether the doors are opened or closed You can use the DOME OVERRIDE button located below the parking headlamp knob to set the dome lamps to come on automatically when the doors are opened or remain off To turn the lamps off press the button once With the button in this position the dome lamps will remain off w...

Page 122: ... bottom of the switch to turn it off The dome lamp switch must be on or one of the doors open for the cargo lamp to work Mirrors Inside Day Night Rearview Mirror Pull the tab under the mirror rearward to reduce glare from headlamps behind you after dark Push the tab forward for normal daytime operation ...

Page 123: ...isplay in the upper right corner of the mirror face When on the compass automatically calibrates as the vehicle is driven Mirror Operation The right side of the switch located at the bottom of the mirror turns the electrochromic mirror on and off The AUTO LED will come on when the electrochromic mirror is turned on To turn the mirror on press and hold the MIRROR button for three seconds The mirror...

Page 124: ...isplayed in the mirror compass windows If C is not displayed push in the COMP button for approximately eight seconds or until the letter C is displayed The compass can be calibrated in one of two ways D Drive the vehicle in circles at 5 mph 8 km h or less until the display reads a direction or D Drive the vehicle on your everyday routine and after several turns the compass will become calibrated a...

Page 125: ...will show a compass direction within a few seconds Outside Manual Adjust Mirrors Adjust your outside mirrors so you can just see the side of your vehicle and have a clear view of objects behind you Some mirrors can be folded in to enter narrow doorways The use of hood mounted air deflectors and add on convex mirror attachments may adversely affect mirror performance ...

Page 126: ...icle is equipped with the camper type mirrors they can be adjusted so you can have a clear view of objects behind you 1 To adjust the mirrors when hauling a slide in camper or towing a trailer rotate the mirror by pushing the mirror head toward the front of the vehicle ...

Page 127: ...pped with the west coast type mirrors they can be adjusted so you can have a clear view of objects behind you A Outer Mirror Frame B Mirror Head C Nut The mirrors can be adjusted by rotating the mirror head B and moving the outer mirror frame A backward or forward You can also loosen the nut C on the top and bottom of the outer mirror frame to tilt the mirror head ...

Page 128: ...mirror can make things like other vehicles look farther away than they really are If you cut too sharply into the right lane you could hit a vehicle on your right Check your inside mirror or glance over your shoulder before changing lanes Storage Compartments Your vehicle includes a number of storage compartments for storage of often used items Some vehicles have storage areas in the instrument pa...

Page 129: ...rotective backing from the hook and loop patch Press it firmly to the back of your garage door opener as close to the center of the opener as possible 3 Center the garage door opener activation button over the console door button and press the opener firmly into place The pegs inside the compartment door are used to make sure the button on the compartment door will contact the control button on th...

Page 130: ...garage door opener and add or remove pegs as needed until the opener operates properly Sunglasses Storage Compartment The center overhead compartment can be used to conveniently store your sunglasses To open the center compartment press the release button located at the rear of the compartment door Place your sunglasses in the compartment door with the lenses facing out The rear compartment can be...

Page 131: ...panel To use the cupholder pull the handle and slide the cupholder tray open To close the cupholder slide it back into the instrument panel Center Console Storage Area If Equipped Your vehicle may have a console compartment between the bucket seats To open it lift the latch handle and swing the door open ...

Page 132: ...e 2 54 Your console may have a cupholder that swings out for the back seat passengers to use Your vehicle may have a memo holder attached to the front of the console Use it to hold pads of paper or similar items ...

Page 133: ...the console Your vehicle may have a removable cupholder at the front of the console To remove the cupholder pull the front of the cupholder toward you and lift up To insert the cupholder place it in the console Engage the rear tabs first and then press the front portion in place ...

Page 134: ...rtment in the front bench seat To open it fold down the armrest and press the latch handle located at the front of the armrest Then let the lid pop up and swing open The storage compartment has a cassette compact disc holder The holder will store up to five compact disc cases and up to six cassette tape cases ...

Page 135: ...notch in the ashtray door to open it NOTICE If you store paper or other things that burn in your ashtrays they could be set on fire by cigarettes or other smoking materials That could cause a fire and possibly damage your vehicle Do not store papers and other things that burn in your ashtrays To remove the front ashtray press the retainer spring and pivot the ashtray toward you To replace the asht...

Page 136: ... on fire by cigarettes or other smoking materials That could cause a fire and possibly damage your vehicle Do not store papers and other things that burn in your ashtrays To use the cigarette lighter push it in all the way and let go When it s ready it will pop back by itself NOTICE Holding a cigarette lighter in with your hand while it is heating can make it overload damaging the lighter and the ...

Page 137: ...o block out glare you can swing down the visors You can also swing them out to help block glare at the front and side windows Your visor may have a strap to hold small items such as maps Some visors have an extender on the inside edge When the visor is down pull the extender out for extra glare coverage at the front or side Some visors have mirrors with lamps If the mirror has lamps they will come...

Page 138: ...yellowblue 2 60 Instrument Panel ...

Page 139: ...H Comfort Control System I Glove Box J Ashtray K Cupholder L Auxiliary Power Outlets M Storage Area or Compact Disc Player If Equipped N Rear Window Defogger Switch If Equipped O Passenger Air Bag Off Switch If Equipped P Electronic Transfer Case Switch If Equipped Q Tilt Lever If Equipped R Parking Brake Release S Hood Release T Fuse Block ...

Page 140: ...ersion shown Canada similar Your instrument cluster is designed to let you know at a glance how your vehicle is running You ll know how fast you re going about how much fuel you have and many other things you ll need to know to drive safely and economically ...

Page 141: ...old mileage reading when the new odometer was installed Trip Odometer The trip odometer can tell you how far your vehicle has been driven since you last set the trip odometer to zero To reset the trip odometer fully press the reset button located near the trip odometer readout If the reset button is not fully pressed the trip odometer may not go all the way back to zero If it doesn t you may have ...

Page 142: ... can indicate when there may be or is a problem with one of your vehicle s functions Often gages and warning lights work together to let you know when there s a problem with your vehicle When one of the warning lights comes on and stays on when you are driving or when one of the gages shows there may be a problem check the section that tells you what to do about it Please follow this manual s advi...

Page 143: ...t This means the system is ready If the air bag readiness light stays on after you start the engine or comes on when you are driving your air bag system may not work properly Have your vehicle serviced right away The air bag readiness light should flash for a few seconds when you turn the ignition key to RUN If the light doesn t come on then have it fixed so it will be ready to warn you if there i...

Page 144: ...FF Switch in the Index for more on this including important safety information CAUTION If the air bag readiness light ever comes on when you have turned off the air bag it means that something may be wrong with the air bag system The right front passenger s air bag could inflate even though the switch is off If this ever happens don t let anyone whom the national government has identified as a mem...

Page 145: ...off all your accessories such as the radio and the air conditioner Voltmeter When your engine is not running but the ignition is in RUN this gage shows your battery s state of charge in DC volts When the engine is running the gage shows the condition of the charging system Readings between the low and high warning zones indicate the normal operating range Readings in the low warning zone may occur...

Page 146: ...or good braking though you need both parts working well If the warning light comes on there could be a brake problem Have your brake system inspected right away This light should come on briefly when you turn the ignition key to RUN If it doesn t come on then have it fixed so it will be ready to warn you if there s a problem If the light comes on while you are driving pull off the road and stop ca...

Page 147: ...ion The anti lock brake system warning light should come on briefly when you turn the ignition key to RUN If the light doesn t come on then have it fixed so it will be ready to warn you if there is a problem Engine Coolant Temperature Gage This gage shows the engine coolant temperature It also provides an indicator of how hard your vehicle is working During a majority of the operation the gage wil...

Page 148: ...s system is also designed to assist your service technician in correctly diagnosing any malfunction NOTICE If you keep driving your vehicle with this light on after a while your emission controls may not work as well your fuel economy may not be as good and your engine may not run as smoothly This could lead to costly repairs that may not be covered by your warranty NOTICE Modifications made to th...

Page 149: ...steady see If the Light Is On Steady following If the light continues to flash when it is safe to do so stop the vehicle Find a safe place to park your vehicle Turn the key off wait at least 10 seconds and restart the engine If the light remains on steady see If the Light Is On Steady following If the light is still flashing follow the previous steps and drive the vehicle to your dealer or qualifi...

Page 150: ...ge the fuel brand you use It will require at least one full tank of the proper fuel to turn the light off If none of the above steps have made the light turn off have your dealer or qualified service center check the vehicle Your dealer has the proper test equipment and diagnostic tools to fix any mechanical or electrical problems that may have developed Oil Pressure Gage The oil pressure gage sho...

Page 151: ...or some other problem causing low oil pressure Check your oil as soon as possible Security Light This light will come on briefly when you turn the key to START The light will come on for five seconds after the key is turned to ON and then go off If the light flashes the PasslockR System has entered a tamper mode If the vehicle fails to start see Passlock in the Index If the light comes on continuo...

Page 152: ...never the DRL are on When it begins to get dark the DRL indicator light is a reminder to turn on your headlamps Check Gages Light This light will come on briefly when you are starting the engine If the light comes on and stays on while you are driving it could indicate a problem with your vehicle It could be a problem with your oil pressure coolant temperature or some other problem Check your vari...

Page 153: ...em with the fuel gage D At the gas station the fuel pump shuts off before the gage reads FULL F D It takes a little more or less fuel to fill up than the fuel gage indicated For example the gage may have indicated the tank was half full but it actually took a little more or less than half the tank s capacity to fill the tank D The gage moves a little when you turn a corner or speed up D The gage d...

Page 154: ...yellowblue 2 76 NOTES ...

Page 155: ...udio Systems 3 7 Setting the Clock 3 8 AM FM Stereo 3 8 Playing the Radio 3 10 AM FM Stereo with Cassette Tape Player If Equipped 3 12 AM FM Stereo with Cassette Tape and Automatic Tone Control If Equipped 3 16 CD Adapter Kits 3 17 AM FM Stereo with Compact Disc Player and Automatic Tone Control If Equipped 3 21 Remote Compact Disc Player If Equipped 3 22 Theft Deterrent Feature If Equipped 3 24 U...

Page 156: ... independently of the function knob setting Turn the knob clockwise toward the red area for warmer air Turn the knob counterclockwise toward the blue area for cooler air Mode Knob The right knob on the control panel allows you to choose the direction of air delivery The control knob can be placed in any position between two mode settings to blend the flow of air VENT This setting directs air throu...

Page 157: ... the relative temperature of the air flowing into the passenger area of your vehicle This knob will allow you to adjust the relative air temperature independently of the function knob setting Turn the knob clockwise toward the red area for warmer air Turn the knob counterclockwise toward the blue area for cooler air Mode Knob The right knob on the control panel allows you to choose the direction o...

Page 158: ...you use A C with the recirculation button pushed in turn off recirculation as soon as the vehicle reaches a comfortable interior temperature With the A C on turn the temperature knob to MAX for maximum cooling This setting also puts the system in the recirculation mode and helps to maximize your air conditioner s performance and your vehicle s fuel economy This setting also cools the air the faste...

Page 159: ...aust valves Outside air will also enter the vehicle when the heater or the air conditioning fan is running unless you have the recirculation button pushed in For more information on the recirculation button see Air Conditioning earlier in this section Your vehicle has air outlets in the center and on the sides of your instrument panel You can move the outlets from side to side or up and down to di...

Page 160: ...l humid days use DEFOG to keep the windshield and side windows clear Use DEFROST to remove fog or ice from the windshield in extremely humid or cold conditions Use DEFROST with the temperature knob toward the red area and the fan control toward HI Rear Window Defogger If Equipped If you see lines running across the rear window you have a rear window defogger The lines warm the glass To turn on the...

Page 161: ... be sure you re getting the most out of the advanced engineering that went into it Setting the Clock for Systems with SET Button Press SET Within five seconds press and hold the SEEK right arrow until the correct minute appears on the display Press and hold the SEEK left arrow until the correct hour appears on the display Setting the Clock for Systems with HR and MN Buttons Press and hold HR until...

Page 162: ...he lower knob to tune in radio stations SEEK Press the right arrow to tune to the next higher station and the left arrow to tune to the next lower station and stay there SCAN Press both SEEK buttons to listen to a few seconds of each radio station SCAN will light up on the display Press the right arrow to tune in the next higher station and press the left arrow to tune to the next lower station Pr...

Page 163: ...ive seconds Whenever you press the same two buttons the station you set will return 4 Repeat the steps for each pair of pushbuttons Setting the Tone BASS Slide this lever up or down to increase or decrease bass TREB Slide this lever up or down to increase or decrease treble If a station is weak or noisy you may want to decrease the treble Adjusting the Speakers BAL Turn the control behind the uppe...

Page 164: ...wer knob to switch between AM FM1 and FM2 TUNE Turn the lower knob to tune in radio stations SEEK Press the right arrow to tune to the next higher station and the left arrow to tune to the next lower station and stay there PUSHBUTTONS The four numbered pushbuttons let you return to your favorite stations You can set up to 21 stations seven AM seven FM1 and seven FM2 Just 1 Turn the radio on 2 Pres...

Page 165: ... through the preset stations Setting the Tone BASS Slide this lever up or down to increase or decrease bass TREB Slide this lever up or down to increase or decrease treble If a station is weak or noisy you may want to decrease the treble Adjusting the Speakers BAL Turn the control behind the upper knob to move the sound to the left or right speakers The middle position balances the sound between t...

Page 166: ...an it as soon as possible to prevent damage to the tapes and player See Care of Your Cassette Tape Player in the Index After you clean the player press and hold EJECT for five seconds to reset the CLN indicator The radio will display to show the indicator was reset AM FM Stereo with Cassette Tape Player and Automatic Tone Control If Equipped Playing the Radio PWR VOL Press this knob to turn the sy...

Page 167: ...wo seconds until SCAN appears on the display SCAN allows you to listen to stations for a few seconds The receiver will continue to scan and momentarily stop at each station until you press the button again The sound will mute while scanning PUSHBUTTONS The six numbered pushbuttons let you return to your favorite stations You can set up to 18 stations six AM six FM1 and six FM2 Just 1 Turn the radi...

Page 168: ...settings of CLASSIC NEWS ROCK POP C W Country Western or JAZZ To return to the manual mode press and release this button until the AUTO TONE display goes blank This will return the tone adjustment to the BASS and TREB controls If a BASS or TREB control is rotated the AUTO TONE display will go blank Use PUSHBUTTONS to program AUTO TONE Adjusting the Speakers BAL Press lightly on this knob to releas...

Page 169: ...r the next selection A minimum three second blank gap is required for the player to stop at the beginning of the selection The tape direction arrow will blink during the SEEK operation The sound will mute while searching for the next selection REV 4 Press this button to rapidly reverse the tape to the beginning of the cassette or until you press REV again The radio will play the last selected stat...

Page 170: ...prevent damage to the tapes and player See Care of Your Cassette Tape Player in the Index After you clean the player press and hold EJECT for five seconds to reset the CLN indicator The radio will display to show the indicator was reset CD Adapter Kits It is possible to use a CD adapter kit with your cassette tape player after activating the bypass feature on your tape player To activate the bypas...

Page 171: ...me as necessary to overcome noise at any particular speed The volume level should always sound the same to you as you drive If you don t want to use SCV turn the control all the way down Each notch on the control ring allows for more volume compensation at faster vehicle speeds Finding a Station AM FM Press this button to switch between AM FM1 and FM2 The display will show your selection TUNE Pres...

Page 172: ... for the location you are in the radio display will show the channel number P1 P6 for several seconds before advancing to the next preset station Setting the Tone BASS Press lightly on this knob to release it from its stored position Turn the knob clockwise to increase bass and counterclockwise to decrease bass When the BASS control is rotated the AUTO TONE display will go blank TREB Press lightly...

Page 173: ...ds and the disc should play CD and a CD symbol will also appear on the display Anytime you are playing a CD the letters CD will be next to the CD symbol If the disc comes back out and ERR appears on the display it could be that D You are driving on a very rough road The disc should play when the road gets smoother D The disc is upside down D It is dirty scratched or wet D It is very humid If so wa...

Page 174: ...ALL again to return to the time display AM FM While in the CD mode press this button to stop playing the CD and play the radio The CD symbol will still display but the word CD will be replaced with either AM FM1 or FM2 If the radio is turned off the disc stays in the player and will resume playing at the point where it stopped CD AUX To switch between the player and the radio when a disc is playin...

Page 175: ...ayer after approximately 30 seconds This protects the disc and player from damage The disc will not start playing To remove the disc press the EJECT button and remove the disc from the player All of the compact disc functions are controlled by the radio buttons except for EJECT When a disc is in the player a CD symbol will appear on the display When a disc is playing the letters CD will appear nex...

Page 176: ...is button to see what track is currently playing Press RECALL again within five seconds to see how long the track has been playing When a new track starts to play the track number will also appear Press RECALL a third time and the time of day will be displayed TAPE AUX With a disc loaded in the player and the radio playing press this button once to play the compact disc To return to playing the ra...

Page 177: ...th your code 7 Press HR to make the first one or two digits agree with your code 8 Press AM FM after you have confirmed that the code matches the secret code you have written down The display will show REP to let you know that you need to repeat Steps 5 through 7 to confirm your secret code 9 Press AM FM and this time the display will show SEC to let you know that your radio is secure The LED indi...

Page 178: ...at the code matches the secret code you have written down The display will show indicating that the radio is no longer secured If the code entered is incorrect SEC will appear on the display The radio will remain secured until the correct code is entered When battery power is removed and later applied to a secured radio the radio won t turn on and LOC will appear on the display To unlock a secured...

Page 179: ...ncrease volume slowly until you hear comfortably and clearly NOTICE Before you add any sound equipment to your vehicle like a tape player CB radio mobile telephone or two way radio be sure you can add what you want If you can it s very important to do it properly Added sound equipment may interfere with the operation of your vehicle s engine Delco Electronics radio or other systems and even damage...

Page 180: ...d for your cassette tape player is the use of a scrubbing action non abrasive cleaning cassette with pads which scrub the tape head as the hubs of the cleaner cassette turn The recommended cleaning cassette is available through your dealership GM Part No 12344789 When using a scrubbing action non abrasive cleaning cassette it is normal for the cassette to eject because your unit is equipped with a...

Page 181: ...ound quality may degrade over time Always make sure the cassette tape is in good condition before you have your tape player serviced Care of Your Compact Discs Handle discs carefully Store them in their original cases or other protective cases and away from direct sunlight and dust If the surface of a disc is soiled dampen a clean soft cloth in a mild neutral detergent solution and clean it wiping...

Page 182: ...yellowblue 3 28 NOTES ...

Page 183: ...g 4 9 Steering 4 11 Off Road Recovery 4 11 Passing 4 13 Loss of Control 4 14 Off Road Driving with Your Four Wheel Drive Vehicle 4 27 Driving at Night 4 28 Driving in Rain and on Wet Roads 4 31 City Driving 4 32 Freeway Driving 4 33 Before Leaving on a Long Trip 4 33 Highway Hypnosis 4 34 Hill and Mountain Roads 4 36 Winter Driving 4 41 Recreational Vehicle Towing 4 43 Loading Your Vehicle 4 48 Ca...

Page 184: ...ost preventable of accidents Yet they are common Allow enough following distance It s the best defensive driving maneuver in both city and rural driving You never know when the vehicle in front of you is going to brake or turn suddenly Defensive driving requires that a driver concentrate on the driving task Anything that distracts from the driving task such as concentrating on a cellular telephone...

Page 185: ...drink alcohol There are good medical psychological and developmental reasons for these laws The obvious way to solve the leading highway safety problem is for people never to drink alcohol and then drive But what if people do How much is too much if the driver plans to drive It s a lot less than many might think Although it depends on each person and situation here is some general information on t...

Page 186: ...In some other countries it s even lower The BAC limit for all commercial drivers in the United States is 0 04 percent The BAC will be over 0 10 percent after three to six drinks in one hour Of course as we ve seen it depends on how much alcohol is in the drinks and how quickly the person drinks them But the ability to drive is affected well below a BAC of 0 10 percent Research shows that the drivi...

Page 187: ...s means that when anyone who has been drinking driver or passenger is in a crash that person s chance of being killed or permanently disabled is higher than if the person had not been drinking CAUTION Drinking and then driving is very dangerous Your reflexes perceptions attentiveness and judgment can be affected by even a small amount of alcohol You can have a serious or even fatal collision if yo...

Page 188: ... second a vehicle moving at 60 mph 100 km h travels 66 feet 20 m That could be a lot of distance in an emergency so keeping enough space between your vehicle and others is important And of course actual stopping distances vary greatly with the surface of the road whether it s pavement or gravel the condition of the road wet dry icy tire tread the condition of your brakes the weight of the vehicle ...

Page 189: ...ing skid When you start your engine and begin to drive away your anti lock brake system will check itself You may hear a momentary motor or clicking noise while this test is going on This is normal If there s a problem with the anti lock brake system this warning light will stay on See Anti Lock Brake System Warning Light in the Index Here s how anti lock works Let s say the road is wet You re dri...

Page 190: ...t too close to the vehicle in front of you you won t have time to apply your brakes if that vehicle suddenly slows or stops Always leave enough room up ahead to stop even though you have anti lock brakes Using Anti Lock Don t pump the brakes Just hold the brake pedal down firmly and let anti lock work for you You may feel the brakes vibrate or you may notice some noise but this is normal On vehicl...

Page 191: ...tion If you ve ever tried to steer a vehicle on wet ice you ll understand this The traction you can get in a curve depends on the condition of your tires and the road surface the angle at which the curve is banked and your speed While you re in a curve speed is the one factor you can control Suppose you re steering through a sharp curve Then you suddenly accelerate Both control systems steering an...

Page 192: ...First apply your brakes See Braking in Emergencies earlier in this section It is better to remove as much speed as you can from a possible collision Then steer around the problem to the left or right depending on the space available An emergency like this requires close attention and a quick decision If you are holding the steering wheel at the recommended 9 and 3 o clock positions you can turn it...

Page 193: ...assing another vehicle on a two lane highway is a potentially dangerous move since the passing vehicle occupies the same lane as oncoming traffic for several seconds A miscalculation an error in judgment or a brief surrender to frustration or anger can suddenly put the passing driver face to face with the worst of all traffic accidents the head on collision So here are some tips for passing D Driv...

Page 194: ...er cars are lined up to pass a slow vehicle wait your turn But take care that someone isn t trying to pass you as you pull out to pass the slow vehicle Remember to glance over your shoulder and check the blind spot D Check your mirrors glance over your shoulder and start your left lane change signal before moving out of the right lane to pass When you are far enough ahead of the passed vehicle to ...

Page 195: ...leration skid are best handled by easing your foot off the accelerator pedal If your vehicle starts to slide ease your foot off the accelerator pedal and quickly steer the way you want the vehicle to go If you start steering quickly enough your vehicle may straighten out Always be ready for a second skid if it occurs Of course traction is reduced when water snow ice gravel or other material is on ...

Page 196: ...d driving safer and more enjoyable Before You Go Off Roading There are some things to do before you go out For example be sure to have all necessary maintenance and service work done Check to make sure all underbody shields if so equipped are properly attached Be sure you read all the information about your four wheel drive vehicle in this manual Is there enough fuel Is the spare tire fully inflat...

Page 197: ...nd Tires in the Index Environmental Concerns Off road driving can provide wholesome and satisfying recreation However it also raises environmental concerns GM recognizes these concerns and urges every off roader to follow these basic rules for protecting the environment D Always use established trails roads and areas that have been specially set aside for public off road recreational driving obey ...

Page 198: ...s what we mean Tune your senses to different kinds of signals Your eyes for example need to constantly sweep the terrain for unexpected obstacles Your ears need to listen for unusual tire or engine sounds With your arms hands feet and body you ll need to respond to vibrations and vehicle bounce Controlling your vehicle is the key to successful off road driving One of the best ways to control your ...

Page 199: ...e subjects later D Will you have to stop suddenly or change direction quickly When you drive over obstacles or rough terrain keep a firm grip on the steering wheel Ruts troughs or other surface features can jerk the wheel out of your hands if you re not prepared When you drive over bumps rocks or other obstacles your wheels can leave the ground If this happens even with one or two wheels you can t...

Page 200: ...e there may be a smooth constant incline with only a small change in elevation where you can easily see all the way to the top On a large hill the incline may get steeper as you near the top but you may not see this because the crest of the hill is hidden by bushes grass or shrubs Here are some other things to consider as you approach a hill D Is there a constant incline or does the hill get sharp...

Page 201: ...uld lose traction slide sideways and possibly roll over You could be seriously injured or killed When driving up hills always try to go straight up D Ease up on your speed as you approach the top of the hill D Attach a flag to the vehicle to make you more visible to approaching traffic on trails or hills D Sound the horn as you approach the top of the hill to let opposing traffic know you re there...

Page 202: ...the steering wheel at the 12 o clock position This way you ll be able to tell if your wheels are straight and maneuver as you back down It s best that you back down the hill with your wheels straight rather than in the left or right direction Turning the wheel too far to the left or right will increase the possibility of a rollover Here are some things you must not do if you stall or are about to ...

Page 203: ... you leave the vehicle Leave it in some gear CAUTION Shifting the transfer case to NEUTRAL N can cause your vehicle to roll even if the transmission is in PARK P or if you have the manual transmission even if you re in gear This is because the NEUTRAL N position on the transfer case overrides the transmission You or someone else could be injured If you are going to leave your vehicle set the parki...

Page 204: ... control at all times CAUTION Heavy braking when going down a hill can cause your brakes to overheat and fade This could cause loss of control and a serious accident Apply the brakes lightly when descending a hill and use a low gear to keep vehicle speed under control Q Are there some things I should not do when driving down a hill A Yes These are important because if you ignore them you could los...

Page 205: ...ls to the rear wheels reduces the likelihood the vehicle will tumble end over end But when you drive across an incline the much more narrow track width the distance between the left and right wheels may not prevent the vehicle from tilting and rolling over Also driving across an incline puts more weight on the downhill wheels This could cause a downhill slide or a rollover D Surface conditions can...

Page 206: ...g to slide sideways turn downhill This should help straighten out the vehicle and prevent the side slipping However a much better way to prevent this is to get out and walk the course so you know what the surface is like before you drive it Stalling on an Incline If your vehicle stalls when you re crossing an incline be sure you and your passengers get out on the uphill side even if the door there...

Page 207: ...heel traction But it will depend upon how loosely packed the sand is On loosely packed sand as on beaches or sand dunes your tires will tend to sink into the sand This has an effect on steering accelerating and braking You may want to reduce the air pressure in your tires slightly when driving on sand This will improve traction Hard packed snow and ice offer the worst tire traction On these surfac...

Page 208: ...ugh water remember that when your brakes get wet it may take you longer to stop CAUTION Driving through rushing water can be dangerous Deep water can sweep your vehicle downstream and you and your passengers could drown If it s only shallow water it can still wash away the ground from under your tires and you could lose traction and roll the vehicle over Don t drive through rushing water See Drivi...

Page 209: ...ght vision problems or by fatigue Here are some tips on night driving D Drive defensively D Don t drink and drive D Adjust your inside rearview mirror to reduce the glare from headlamps behind you D Since you can t see as well you may need to slow down and keep more space between you and other vehicles D Slow down especially on higher speed roads Your headlamps can light up only so much road ahead...

Page 210: ...en you are faced with severe glare as from a driver who doesn t lower the high beams or a vehicle with misaimed headlamps slow down a little Avoid staring directly into the approaching headlamps Keep your windshield and all the glass on your vehicle clean inside and out Glare at night is made much worse by dirt on the glass Even the inside of the glass can build up a film caused by dust Dirty glas...

Page 211: ...Even if your windshield wiper blades are in good shape a heavy rain can make it harder to see road signs and traffic signals pavement markings the edge of the road and even people walking It s wise to keep your wiping equipment in good shape and keep your windshield washer tank filled with washer fluid Replace your windshield wiper inserts when they show signs of streaking or missing areas on the ...

Page 212: ...u can see reflections from trees telephone poles or other vehicles and raindrops dimple the water s surface there could be hydroplaning Hydroplaning usually happens at higher speeds There just isn t a hard and fast rule about hydroplaning The best advice is to slow down when it is raining Driving Through Deep Standing Water NOTICE If you drive too quickly through deep puddles or standing water wat...

Page 213: ... Get a city map and plan your trip into an unknown part of the city just as you would for a cross country trip D Try to use the freeways that rim and crisscross most large cities You ll save time and energy See the next part Freeway Driving D Treat a green light as a warning signal A traffic light is there because the corner is busy enough to need it When a light turns green and just before you st...

Page 214: ... merge into the gap at close to the prevailing speed Switch on your turn signal check your mirrors and glance over your shoulder as often as necessary Try to blend smoothly with the traffic flow Once you are on the freeway adjust your speed to the posted limit or to the prevailing rate if it s slower Stay in the right lane unless you want to pass Before changing lanes check your mirrors Then use y...

Page 215: ...asher Fluid Is the reservoir full Are all windows clean inside and outside D Wiper Blades Are they in good shape D Fuel Engine Oil Other Fluids Have you checked all levels D Lamps Are they all working Are the lenses clean D Tires They are vitally important to a safe trouble free trip Is the tread good enough for long distance driving Are the tires all inflated to the recommended pressure D Weather...

Page 216: ... If you get sleepy pull off the road into a rest service or parking area and take a nap get some exercise or both For safety treat drowsiness on the highway as an emergency Hill and Mountain Roads Driving on steep hills or mountains is different from driving in flat or rolling terrain If you drive regularly in steep country or if you re planning to visit there here are some tips that can make your...

Page 217: ...all the work of slowing down They could get so hot that they wouldn t work well You would then have poor braking or even none going down a hill You could crash Always have your engine running and your vehicle in gear when you go downhill D Know how to go uphill You may want to shift down to a lower gear The lower gears help cool your engine and transmission and you can climb the hill better D Stay...

Page 218: ...an ice scraper a small brush or broom a supply of windshield washer fluid a rag some winter outer clothing a small shovel a flashlight a red cloth and reflective warning triangles And if you will be driving under severe conditions include a small bag of sand a piece of old carpet or a couple of burlap bags to help provide traction Be sure you properly secure these items in your vehicle ...

Page 219: ... get wet ice when it s about freezing 32_F 0_C and freezing rain begins to fall Try to avoid driving on wet ice until salt and sand crews can get there Whatever the condition smooth ice packed blowing or loose snow drive with caution Accelerate gently Try not to break the fragile traction If you accelerate too fast the drive wheels will spin and polish the surface under the tires even more Your an...

Page 220: ... areas where the sun can t reach around clumps of trees behind buildings or under bridges Sometimes the surface of a curve or an overpass may remain icy when the surrounding roads are clear If you see a patch of ice ahead of you brake before you are on it Try not to brake while you re actually on the ice and avoid sudden steering maneuvers If You re Caught in a Blizzard ...

Page 221: ...p and keep yourself and your passengers safe D Turn on your hazard flashers D Tie a red cloth to your vehicle to alert police that you ve been stopped by the snow D Put on extra clothing or wrap a blanket around you If you have no blankets or extra clothing make body insulators from newspapers burlap bags rags floor mats anything you can wrap around yourself or tuck under your clothing to keep war...

Page 222: ...e engine make it go a little faster than just idle That is push the accelerator slightly This uses less fuel for the heat that you get and it keeps the battery or batteries charged You will need a well charged battery or batteries to restart the vehicle and possibly for signaling later on with your headlamps Let the heater run for a while If you have a diesel engine you may have to run it at a hig...

Page 223: ...ternal lubrication while being towed To properly tow these vehicles they should be placed on a platform trailer with all four wheels off the ground In rare cases when it s unavoidable that a two wheel drive vehicle is to be towed with all four wheels on the ground the propeller shaft to axle yoke orientation should be marked and the propeller shaft removed following the applicable service manual r...

Page 224: ...ectly tow your vehicle on all four wheels with a manual transfer case 1 Firmly set the parking brake 2 Place the transmission in PARK P or a manual transmission in FIRST 1 3 Securely attach the vehicle being towed to the tow vehicle 4 With the engine running shift the transfer case to NEUTRAL N See Four Wheel Drive in the Index for the proper procedure to select the neutral position for your vehic...

Page 225: ... for the front and rear axles called Gross Axle Weight Rating GAWR To find out the actual loads on your front and rear axles you need to go to a weigh station and weigh your vehicle Your dealer can help you with this Be sure to spread out your load equally on both sides of the centerline Never exceed the GVWR for your vehicle or the GAWR for either the front or rear axle And if you do have a heavy...

Page 226: ...he vehicle s option content Therefore to help avoid vehicle damage D Make sure the weight on the front andrear axles does not exceed their respective axle ratings NOTICE Continued NOTICE Continued D For the front axle if more cargo or passengers need to be carried appropriate counter ballast must be installed rear of the rear axle and properly secured D Total vehicle weight must not exceed the GVW...

Page 227: ...nt in your vehicle CAUTION Continued CAUTION Continued D When you carry something inside the vehicle secure it whenever you can D Don t leave a seat folded down unless you need to There s also important loading information for off road driving in this manual See Loading Your Vehicle for Off Road Driving in the Index Truck Camper Loading Information The Truck Camper Loading label is located inside ...

Page 228: ... The recommended location for the cargo center of gravity is at point C for the CWR It is the point where the mass of a body is concentrated and if suspended at that point would balance the front and rear Here is an example of proper truck and camper match A Camper Center of Gravity B Recommended Center of Gravity Location Zone The camper s center of gravity should fall within the center of gravit...

Page 229: ...ight ratings move or take out some things until all the weight falls below the ratings Of course you should always tie down any loose items when you load your vehicle or camper When you install and load your slide in camper check the manufacturer s instructions If you want more information on curb weights cargo weights Cargo Weight Rating and the correct center of gravity zone for your vehicle you...

Page 230: ...e Ground D Light Green Back up Lamps When the harness is not being used store it in its original place Wrap the harness together and tie it neatly so it won t be damaged Pickup Conversion to Chassis Cab General Motors is aware that some vehicle owners may consider having the pickup box removed and a commercial or recreational body installed Before you do so first contact the GM Customer Assistance...

Page 231: ...our dealer for important information about towing a trailer with your vehicle Your vehicle may be able to tow a trailer To identify what the vehicle trailering capacity is for your vehicle you should read the information in Weight of the Trailer that appears later in this section If yours was built with trailering options as many are it s ready for heavier trailers But trailering is different than...

Page 232: ...ler don t drive over 50 mph 80 km h and don t make starts at full throttle This helps your engine and other parts of your vehicle wear in at the heavier loads D If you have an automatic transmission you can tow in OVERDRIVE B You may want to shift the transmission to THIRD 3 or if necessary a lower gear selection if the transmission shifts too often e g under heavy loads and or hilly conditions If...

Page 233: ...ailer weight Above the 2 000 lbs 908 kg trailer rating the engine oil cooler is required on C K 2500 models with gas engines Refer to the Trailering Guide for oil cooler recommendations C 1500 2WD Engine Trans Axle Ratio Max Trailer Wt 5 0L 3 08 4 500 lbs 2 043 kg 3 42 5 500 lbs 2 497 kg 3 73 6 500 lbs 2 951 kg 5 7L 3 08 5 000 lbs 2 270 kg 3 42 6 000 lbs 2 724 kg 3 73 7 000 lbs 3 178 kg K 1500 4WD...

Page 234: ...000 lbs 4 086 kg 4 10 11 000 lbs 4 994 kg Fifth wheel hitch rating weight distributing hitch rating is limited to 10 000 lbs 4 540 kg K 2500 4WD Engine Trans Axle Ratio Max Trailer Wt 5 7L 3 73 6 000 lbs 2 724 kg 4 10 7 500 lbs 3 405 kg 6 5L Diesel 3 73 6 500 lbs 2 951 kg 4 10 8 000 lbs 3 632 kg 7 4L 3 73 8 500 lbs 3 859 kg 4 10 10 500lbs 4 767 kg Fifth wheel hitch rating weight distributing hitch...

Page 235: ...h wheel hitch rating weight distributing hitch rating is limited to 10 000 lbs 4 540 kg C 3500 Crew Cab 2WD Engine Trans Axle Ratio Max Trailer Wt 5 7L 4 10 7 000 lbs 3 178 kg 4 56 8 500 lbs 3 859 kg 6 5L Diesel 4 10 8 000 lbs 3 632 kg 7 4L 4 10 10 500lbs 4 767 kg 4 56 12 500 lbs 5 675 kg Fifth wheel hitch rating weight distributing hitch rating is limited to 10 000 lbs 4 540 kg K 3500 Crew Cab 4W...

Page 236: ...n Canada write to General Motors of Canada Limited Customer Communication Centre 1908 Colonel Sam Drive Oshawa Ontario L1H 8P7 Weight of the Trailer Tongue The tongue load A of any trailer is an important weight to measure because it affects the total or gross weight of your vehicle The Gross Vehicle Weight GVW includes the curb weight of the vehicle any cargo you may carry in it and the people wh...

Page 237: ...l at the rear edge of the driver s door or see Tire Loading in the Index Then be sure you don t go over the GVW limit for your vehicle including the weight of the trailer tongue Hitches It s important to have the correct hitch equipment Crosswinds large trucks going by and rough roads are a few reasons why you ll need the right hitch Here are some rules to follow D If you use a step bumper hitch y...

Page 238: ... D The trailer s brake system will use less than 0 02 cubic inch 0 3 cc of fluid from your vehicle s master cylinder Otherwise both braking systems won t work well You could even lose your brakes If everything checks out this far make the brake tap at the port on the master cylinder that sends the fluid to the rear brakes But don t use copper tubing for this If you do it will bend and finally brea...

Page 239: ... and if possible have someone guide you Making Turns NOTICE Making very sharp turns while trailering could cause the trailer to come in contact with the vehicle Your vehicle could be damaged Avoid making very sharp turns while trailering When you re turning with a trailer make wider turns than normal Do this so your trailer won t strike soft shoulders curbs road signs trees or other objects Avoid ...

Page 240: ...our vehicle may show signs similar to engine overheating To avoid this let the engine run while parked preferably on level ground with the automatic transmission in PARK P or the manual transmission out of gear and the parking brake applied for a few minutes before turning the engine off If you do get the overheat warning see Engine Overheating in the Index Parking on Hills CAUTION You really shou...

Page 241: ... transfer case is in a drive gear not in NEUTRAL N When You Are Ready to Leave After Parking on a Hill 1 Apply your regular brakes and hold the pedal down while you D Start your engine D Shift into a gear and D Release the parking brake 2 Let up on the brake pedal 3 Drive slowly until the trailer is clear of the chocks 4 Stop and have someone pick up and store the chocks Maintenance When Trailer T...

Page 242: ...cian attach one connector to the eight wire trailer harness and the other connector to the wiring harness on the trailer Be sure that the wiring harness on the trailer is strapped to the trailer s frame and leave it loose enough so that the wiring doesn t bend or break but not so loose that it drags on the ground The technician can use the following color code chart when connecting the wiring harn...

Page 243: ...ling Power Take Off PTO Manual Transmission NOTICE If you have a PTO that will exceed 35 hp installed on your vehicle it could damage the transfer case or transmission When having a PTO installed on your vehicle make sure that it will not exceed 35 hp Before using a PTO refer to the manufacturer s or installer s instructions NOTICE Using a PTO while operating in one place before the vehicle has re...

Page 244: ... would When you release the clutch the PTO will start To engage a PTO while the vehicle is moving 1 Hold the clutch pedal down 2 Shift the transmission into NEUTRAL N 3 Engage the PTO 4 Shift the transmission into the gear you want 5 Release the clutch as you normally would When you release the clutch the PTO will start Using a Transfer Case Mounted Power Take Off Manual Transmission 1 Hold the cl...

Page 245: ...he PTO 7 Release the regular brakes to drive the vehicle Disengaging a Power Take Off 1 Turn the ignition off 2 Put the transmission in PARK P 3 Release the PTO 4 Restart the engine Step Bumper Pad If your vehicle has a rear step bumper it may be equipped with a rear step pad at the center of the bumper If you will be using the bumper to tow a trailer you must remove the center cutout circle to in...

Page 246: ...yellowblue 4 64 NOTES ...

Page 247: ...occur on the road 5 2 Hazard Warning Flashers 5 3 Other Warning Devices 5 3 Jump Starting 5 8 Towing Your Vehicle 5 9 Engine Overheating Gasoline Engine 5 11 Cooling System Gasoline Engine 5 19 Engine Fan Noise 5 19 If a Tire Goes Flat 5 20 Changing a Flat Tire 5 32 If You re Stuck In Sand Mud Ice or Snow ...

Page 248: ...n t flash if you re braking Press the button at the top of the steering column all the way down to make your front and rear turn signal lamps flash on and off Your hazard warning flashers work no matter what position your key is in and even if the key isn t in To turn off the flashers press the button until the first click and release When the hazard warning flashers are on your turn signals won t...

Page 249: ...o burn you If you don t follow these steps exactly some or all of these things can hurt you NOTICE Ignoring these steps could result in costly damage to your vehicle that wouldn t be covered by your warranty The ACDelco FreedomR battery in your vehicle has a built in hydrometer Do not charge test or jump start the battery if the hydrometer looks clear or light yellow Replace the battery when there...

Page 250: ...re the transfer case is not in NEUTRAL N 3 Turn off the ignition on both vehicles Unplug unnecessary accessories plugged into the cigarette lighter or accessory power outlets Turn off all lamps that aren t needed as well as radios This will avoid sparks and help save both batteries In addition it could save your radio NOTICE If you leave your radio on it could be badly damaged The repairs wouldn t...

Page 251: ...ntally get it in your eyes or on your skin flush the place with water and get medical help immediately 5 Check that the jumper cables don t have loose or missing insulation If they do you could get a shock The vehicles could be damaged too Before you connect the cables here are some basic things you should know Positive will go to positive and negative will go to a heavy unpainted metal engine par...

Page 252: ...h metal Connect it to the positive terminal of the good battery 8 Now connect the black negative cable to the good battery s negative cable Don t let the other end touch anything until the next step The other end of the negative cable doesn t go to the dead battery It goes to a heavy unpainted metal part of the vehicle with the dead battery ...

Page 253: ...ck to the battery is much less 10 Now start the vehicle with the good battery and run the engine for awhile 11 Try to start the vehicle with the dead battery If it won t start after a few tries it probably needs service 12 Remove the cables in reverse order to prevent electrical shorting Take care that they don t touch each other or any other metal A Heavy Metal Engine Part B Good Battery C Dead B...

Page 254: ...t is essential that the correct towing equipment is used to tow a vehicle Your vehicle can be towed with sling type equipment wheel lift equipment or car carrier equipment Two Wheel Drive vehicle towing limits for sling type equipment and wheel lift equipment are as follows D Front Towing 35 mph 55 km h 50 miles 80 km D Rear Towing 55 mph 88 km h or legal speed limit and the distance is unlimited ...

Page 255: ...ood Stay away from the engine if you see or hear steam coming from it Just turn it off and get everyone away from the vehicle until it cools down Wait until there is no sign of steam or coolant before you open the hood If you keep driving when your engine is overheated the liquids in it can catch fire You or others could be badly burned Stop your engine if it overheats and get out of the vehicle u...

Page 256: ...en the window as necessary 3 If you re in a traffic jam shift to NEUTRAL N otherwise shift to the highest gear while driving AUTOMATIC OVERDRIVE B for automatic transmissions If you no longer have the overheat warning you can drive Just to be safe drive slower for about 10 minutes If the warning doesn t come back on you can drive normally If the warning continues pull over stop and park your vehic...

Page 257: ... Cap C Engine Fan s CAUTION If your vehicle has air conditioning the auxiliary electric engine cooling fan under the hood can start up even when the engine is not running and can injure you Keep hands clothing and tools away from any underhood electric fan If the coolant inside the coolant recovery tank is boiling don t do anything else until it cools down ...

Page 258: ...e from running your engine without coolant isn t covered by your warranty NOTICE When adding coolant it is important that you use only DEX COOLR silicate free coolant If coolant other than DEX COOL is added to the system premature engine heater core or radiator corrosion may result In addition the engine coolant will require change sooner at 30 000 miles 50 000 km or 24 months whichever occurs fir...

Page 259: ...can be dangerous Plain water or some other liquid like alcohol can boil before the proper coolant mixture will Your vehicle s coolant warning system is set for the proper coolant mixture With plain water or the wrong mixture your engine could get too hot but you wouldn t get the overheat warning Your engine could catch fire and you or others could be burned Use a 50 50 mixture of clean drinkable w...

Page 260: ...gine parts are hot enough Don t spill coolant on a hot engine When the coolant in the coolant recovery tank is at or above the COLD mark start your vehicle If the overheat warning continues there s one more thing you can try You can add the proper coolant mixture directly to the radiator but be sure the cooling system is cool before you do it ...

Page 261: ...adly They are under pressure and if you turn the radiator pressure cap even a little they can come out at high speed Never turn the cap when the cooling system including the radiator pressure cap is hot Wait for the cooling system and radiator pressure cap to cool if you ever have to turn the pressure cap ...

Page 262: ...sure cap and upper radiator hose is no longer hot Turn the pressure cap slowly counterclockwise until it first stops Don t press down while turning the pressure cap If you hear a hiss wait for that to stop A hiss means there is still some pressure left 2 Then keep turning the pressure cap but now push down as you turn it Remove the pressure cap ...

Page 263: ... mixture up to the base of the filler neck See Engine Coolant in the Index for more information about the proper coolant mixture 4 Then fill the coolant recovery tank to the COLD mark 5 Put the cap back on the coolant recovery tank but leave the radiator pressure cap off ...

Page 264: ... the radiator filler neck may be lower If the level is lower add more of the proper DEX COOLR coolant mixture through the filler neck until the level reaches the base of the filler neck 8 Then replace the pressure cap At any time during this procedure if coolant begins to flow out of the filler neck reinstall the pressure cap Be sure the arrows on the pressure cap line up like this ...

Page 265: ... disengages If a Tire Goes Flat It s unusual for a tire to blow out while you re driving especially if you maintain your tires properly If air goes out of a tire it s much more likely to leak out slowly But if you should ever have a blowout here are a few tips about what to expect and what to do If a front tire fails the flat tire will create a drag that pulls the vehicle toward that side Take you...

Page 266: ...g 1 Set the parking brake firmly 2 Put an automatic transmission shift lever in PARK P or shift a manual transmission to FIRST 1 or REVERSE R 3 If you have a four wheel drive vehicle be sure the transfer case is in a drive gear not in NEUTRAL N 4 Turn off the engine CAUTION Continued CAUTION Continued To be even more certain the vehicle won t move you can put blocks at the front and rear of the ti...

Page 267: ...e passenger s seat Turn the wing nut counterclockwise and remove the jack cover if there is one Remove the jacking equipment If you have a chassis cab refer to the information from the body supplier installer for the location of your spare tire You ll use the jack handle and the ratchet to remove an underbody mounted spare tire ...

Page 268: ...to the hook near the end of the jack handle as illustrated with the DOWN marking facing you Insert the other end through the hole in the rear bumper and into the hoist shaft 2 Turn the ratchet to lower the spare tire to the ground Continue to turn the ratchet until the spare tire can be pulled out from under the vehicle 3 When the tire has been lowered tilt the retainer at the end of the cable so ...

Page 269: ...he jack A the jack handle extension B the jack handle C the wheel wrench D and the ratchet E If the flat tire is on the rear of the vehicle you ll need the jack handle extension also Attach the jack handle and jack handle extension if needed to the jack ...

Page 270: ...ps use the wheel wrench and ratchet to remove them Turn the wheel wrench counterclockwise with DOWN facing you to remove the wheel nut caps Then take off the hub cap If the wheel also has a trim ring use the wheel wrench to pry along the edge and remove it If the wheel has a smooth center piece place the wheel wrench in the slot on the wheel and gently pry out ...

Page 271: ...the flat tire If the flat tire is on the rear position the jack on the rear axle between the spring and the shock absorber CAUTION Getting under a vehicle when it is jacked up is dangerous If the vehicle slips off the jack you could be badly injured or killed Never get under a vehicle when it is supported only by a jack CAUTION Raising your vehicle with the jack improperly positioned can damage th...

Page 272: ...e vehicle by rotating the ratchet and wheel wrench clockwise Raise the vehicle far enough off the ground so there is enough room for the spare tire to fit 4 Remove all the wheel nuts and take off the flat tire 5 Remove any rust or dirt from the wheel bolts mounting surfaces and spare wheel ...

Page 273: ... the vehicle In an emergency you can use a cloth or a paper towel to do this but be sure to use a scraper or wire brush later if you need to to get all the rust or dirt off CAUTION Never use oil or grease on studs or nuts If you do the nuts might come loose Your wheel could fall off causing a serious accident 6 Replace the wheel nuts with the rounded end of the nuts toward the wheel Tighten each w...

Page 274: ...rench clockwise CAUTION Incorrect wheel nuts or improperly tightened wheel nuts can cause the wheel to become loose and even come off This could lead to an accident Be sure to use the correct wheel nuts If you have to replace them be sure to get new GM original equipment wheel nuts Stop somewhere as soon as you can and have the nuts tightened with a torque wrench to the proper torque See Capacitie...

Page 275: ...es with plastic wheel nut caps tighten the caps until they are finger tight then tighten them an additional one half of a turn with the ratchet and wheel wrench Storing a Flat or Spare Tire and Tools CAUTION Storing a jack a tire or other equipment in the passenger compartment of the vehicle could cause injury In a sudden stop or collision loose equipment could strike someone Store all these in th...

Page 276: ...f the jack handle Insert the other end on an angle through the hole in the rear bumper and into the hoist shaft 4 Raise the tire fully against the underside of the vehicle Continue turning the ratchet until there are two clicks or ratchets The spare tire hoist cannot be over tightened 5 Grasp and push against the tire to be sure it is stored securely and does not move A Hoist Assembly B Ratchet C ...

Page 277: ...ndle Extension D Wheel Wrench E Jack and Tool Storage Box F Ratchet G Jack Handle H Tool Retainer Extended Cab Models A Nut B Jack and Tool Cover C Jack Handle Extension D Tool Retainer E Jack and Tool Storage Box F Ratchet G Wheel Wrench H Jack I Jack Handle ...

Page 278: ...he wheels but you don t want to spin your wheels too fast The method known as rocking can help you get out when you re stuck but you must use caution CAUTION If you let your tires spin at high speed they can explode and you or others could be injured And the transmission or other parts of the vehicle can overheat That could cause an engine compartment fire or other damage When you re stuck spin th...

Page 279: ...en FIRST 1 or SECOND 2 and REVERSE R spinning the wheels as little as possible Release the accelerator pedal while you shift and press lightly on the accelerator pedal when the transmission is in gear By slowly spinning your wheels in the forward and reverse directions you will cause a rocking motion that may free your vehicle If that doesn t get you out after a few tries you may need to be towed ...

Page 280: ...the vehicle straight out Never pull on the hooks at a sideways angle The hooks could break off and you or others could be injured from the chain or cable snapping back NOTICE Never use the recovery hooks to tow the vehicle Your vehicle could be damaged and it would not be covered by warranty ...

Page 281: ...yellowblue 5 35 NOTES ...

Page 282: ...yellowblue 5 36 NOTES ...

Page 283: ...ne Oil Gasoline Engine 6 17 Engine Air Cleaner Filter Gasoline Engines 6 20 Automatic Transmission Fluid 6 23 Manual Transmission Fluid 6 24 Hydraulic Clutch 6 25 Rear Axle 6 26 Four Wheel Drive 6 27 Radiator Pressure Cap Gasoline Engine 6 28 Thermostat 6 28 Engine Coolant 6 32 Power Steering Fluid 6 33 Windshield Washer Fluid 6 34 Brakes 6 38 Battery 6 39 Bulb Replacement 6 49 Windshield Wiper Bl...

Page 284: ...M Genuine GM parts have one of these marks Doing Your Own Service Work If you want to do some of your own service work you ll want to use the proper service manual It tells you much more about how to service your vehicle than this manual can To order the proper service manual see Service and Owner Publications in the Index You should keep a record with all parts receipts and list the mileage and t...

Page 285: ...your vehicle Fuel Gasoline Engine If your vehicle has a diesel engine see Diesel Fuel Requirements and Fuel System in the Diesel Engine Supplement For vehicles with gasoline engines please read this Use regular unleaded gasoline rated at 87 octane or higher It is recommended that the gasoline meet specifications which have been developed by the American Automobile Manufacturers Association AAMA an...

Page 286: ...ent it is determined that the cause of the condition is the type of fuels used repairs may not be covered by your warranty Some gasolines that are not reformulated for low emissions may contain an octane enhancing additive called methylcyclopentadienyl manganese tricarbonyl MMT ask your service station operator whether or not his fuel contains MMT General Motors does not recommend the use of such ...

Page 287: ...el not recommended in the previous text on fuel Costly repairs caused by use of improper fuel wouldn t be covered by your warranty To check on fuel availability ask an auto club or contact a major oil company that does business in the country where you ll be driving You can also write us at the following address for advice Just tell us where you re going and give your Vehicle Identification Number...

Page 288: ...mately equal fuel levels in both tanks so no switching is required by the operator CAUTION Gasoline vapor is highly flammable It burns violently and that can cause very bad injuries Don t smoke if you re near gasoline or refueling your vehicle Keep sparks flames and smoking materials away from gasoline While refueling let the cap hang by the tether below the fuel filler neck To remove the cap turn...

Page 289: ...Cleaning the Outside of Your Vehicle in the Index When you put the cap back on turn it to the right clockwise until you hear a clicking sound Make sure you fully install the cap The diagnostic system can determine if the fuel cap has been left off or improperly installed This would allow fuel to evaporate into the atmosphere See Malfunction Indicator Lamp in the Index NOTICE If you need a new cap ...

Page 290: ...ct with the inside of the fill opening before operating the nozzle Contact should be maintained until the filling is complete D Don t smoke while pumping gasoline Checking Things Under the Hood CAUTION If your vehicle has air conditioning the auxiliary engine fan under the hood can start up and injure you even when the engine is not running Keep hands clothing and tools away from any underhood ele...

Page 291: ...de the vehicle Then go to the front of the vehicle and pull up on the secondary hood release located just to the passenger s side of the center of the grill Lift the hood Before closing the hood be sure all filler caps are on properly Pull down the hood and close it firmly ...

Page 292: ...attery B Engine Air Cleaner Filter C Radiator Cap D Coolant Recovery Tank E Air Filter Restriction Indicator F Engine Oil Dipstick G Automatic Transmission Dipstick If Equipped H Fan I Power Steering Fluid Reservoir J Engine Oil Fill K Brake Fluid Reservoir L Clutch Fluid Reservoir If Equipped M Windshield Washer Fluid Reservoir N Fuse Relay Center ...

Page 293: ...lter D Radiator Cap E Air Filter Restriction Indicator F Engine Oil Dipstick G Automatic Transmission Dipstick If Equipped H Engine Oil Fill I Fan J Power Steering Fluid Reservoir K Brake Fluid Reservoir L Clutch Fluid Reservoir If Equipped M Windshield Washer Fluid Reservoir N Fuse Relay Center ...

Page 294: ...s given in your Warranty booklet These standards apply only to vehicles sold in the United States Tampering With Noise Control System Prohibited Federal law prohibits the following acts or the causing thereof 1 The removal or rendering inoperative by any person other than for purposes of maintenance repair or replacement of any device or element of design incorporated into any new vehicle for the ...

Page 295: ...r D Reversing the air cleaner cover Exhaust D Removal of the muffler and or resonator D Removal of the exhaust pipes and exhaust pipe clamps Engine Oil Gasoline Engine If your vehicle has a diesel engine see Engine Oil Diesel Engine in the Diesel Engine Supplement It s a good idea to check your engine oil every time you get fuel In order to get an accurate reading the oil must be warm and the vehi...

Page 296: ...ankcase capacity see Capacities and Specifications in the Index NOTICE Don t add too much oil If your engine has so much oil that the oil level gets above the upper mark that shows the proper operating range your engine could be damaged The engine oil fill cap for the VORTEC 5000 and 5700 V8 engine is located on the driver s side engine valve cover The engine oil fill cap for the VORTEC 7400 V8 en...

Page 297: ...Institute API Do not use any oil which does not carry this Starburst symbol If you change your own oil be sure you use oil that has the Starburst symbol on the front of the oil container If you have your oil changed for you be sure the oil put into your engine is American Petroleum Institute certified for gasoline engines You should also use the proper viscosity oil for your vehicle as shown in th...

Page 298: ...tter protection for your engine at extremely low temperatures Engine Oil Additives Don t add anything to your oil Your dealer is ready to advise if you think something should be added When to Change Engine Oil If any one of these is true for you use the short trip city maintenance schedule D Most trips are less than 5 to 10 miles 8 to 16 km This is particularly important when outside temperatures ...

Page 299: ... hand cleaner Wash or properly throw away clothing or rags containing used engine oil See the manufacturer s warnings about the use and disposal of oil products Used oil can be a real threat to the environment If you change your own oil be sure to drain all free flowing oil from the filter before disposal Don t ever dispose of oil by putting it in the trash pouring it on the ground into sewers or ...

Page 300: ...cator is orange and CHANGE AIR FILTER appears the filter should be replaced To remove the air filter unhook the retaining clips and remove the cover Lift the filter and the connected duct out of the air cleaner housing Hold the duct and remove the filter by both pulling and twisting the filter away from the duct Care should be taken to dislodge as little dirt as possible Clean the filter sealing s...

Page 301: ...x CAUTION Operating the engine with the air cleaner filter off can cause you or others to be burned The air cleaner not only cleans the air it stops flame if the engine backfires If it isn t there and the engine backfires you could be burned Don t drive with it off and be careful working on the engine with the air cleaner filter off NOTICE If the air cleaner filter is off a backfire can cause a da...

Page 302: ...t use your vehicle under any of these conditions change the fluid and filter every 100 000 miles 166 000 km See Scheduled Maintenance Services in the Index How to Check Because this operation can be a little difficult you may choose to have this done at the GM service department If you do it yourself be sure to follow all the instructions here or you could get a false reading on the dipstick NOTIC...

Page 303: ...ngine off and is used only as a reference Let the engine run at idle for five minutes if outside temperatures are 50_F 10_C or more If it s colder than 50_F 10_C you may have to idle the engine longer Should the fluid level be low during a cold check you must perform a hot check before adding fluid This will give you a more accurate reading of the fluid level Checking the Fluid Level D Park your v...

Page 304: ... wipe it with a clean rag or paper towel 2 Push it back in all the way wait three seconds and then pull it back out again 3 Check both sides of the dipstick and read the lower level The fluid level must be in the COLD area for a cold check or in the HOT area or cross hatched area for a hot check 4 If the fluid level is in the acceptable range push the dipstick back in all the way then flip the han...

Page 305: ...warranty D After adding fluid recheck the fluid level as described under How to Check D When the correct fluid level is obtained push the dipstick back in all the way then flip the handle down to lock the dipstick in place Manual Transmission Fluid When to Check A good time to have it checked is when the engine oil is changed However the fluid in your manual transmission doesn t require changing H...

Page 306: ...e s how to add fluid Refer to the Maintenance Schedule to determine what kind of fluid to use See Recommended Fluids and Lubricants in the Index 1 Remove the filler plug 2 Add fluid at the filler plug hole Add only enough fluid to bring the fluid level up to the bottom of the filler plug hole 3 Install the filler plug Be sure the plug is fully seated Hydraulic Clutch The hydraulic clutch system in...

Page 307: ... in place in the reservoir See the instructions on the reservoir cap Rear Axle When to Check and Change Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it See Scheduled Maintenance Services in the Index How to Check Lubricant If the level is below the bottom of the filler plug hole you ll need to add some lubricant Add enough lubricant t...

Page 308: ... Wheel Drive Most lubricant checks in this section also apply to four wheel drive vehicles However they have two additional systems that need lubrication Transfer Case When to Check Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant See Periodic Maintenance Inspections in the Index How to Check Lubricant If the level is below the bottom of the filler plug hol...

Page 309: ...filler plug hole you may need to add some lubricant When the differential is cold add enough lubricant to raise the level to 1 2 inch 12 mm below the filler plug hole When the differential is at operating temperature warm add enough lubricant to raise the level to the bottom of the filler plug hole What to Use Refer to the Maintenance Schedule to determine what kind of lubricant to use See Recomme...

Page 310: ...ches a preset temperature When you replace your thermostat an ACR thermostat is recommended Engine Coolant The cooling system in your vehicle is filled with DEX COOLR engine coolant This coolant is designed to remain in your vehicle for 5 years or 150 000 miles 240 000 km whichever occurs first if you add only DEX COOLR extended life coolant The following explains your cooling system and how to ad...

Page 311: ...se a mixture of one half clean drinkable water and one half DEX COOLR coolant which won t damage aluminum parts If you use this coolant mixture you don t need to add anything else CAUTION Adding only plain water to your cooling system can be dangerous Plain water or some other liquid like alcohol can boil before the proper coolant mixture will Your vehicle s coolant warning system is set for the p...

Page 312: ...TICE If you use the proper coolant you don t have to add extra inhibitors or additives which claim to improve the system These can be harmful Checking Coolant If your vehicle has a diesel engine see Checking Coolant in the Diesel Engine Supplement The coolant recovery tank is located on the passenger s side at the rear corner of the engine compartment The vehicle must be on a level surface When yo...

Page 313: ...and burn you badly With the coolant recovery tank you will almost never have to add coolant at the radiator Never turn the radiator pressure cap even a little when the engine and radiator are hot Add coolant mixture at the recovery tank but be careful not to spill it CAUTION You can be burned if you spill coolant on hot engine parts Coolant contains ethylene glycol and it will burn if the engine p...

Page 314: ...ompartment is cool wipe the cap and the top of the reservoir clean then unscrew the cap and wipe the dipstick with a clean rag Replace the cap and completely tighten it Then remove the cap again and look at the fluid level on the dipstick The level should be at the FULL COLD mark If necessary add only enough fluid to bring the level up to the mark What to Use To determine what kind of fluid to use...

Page 315: ...is full NOTICE D When using concentrated washer fluid follow the manufacturer s instructions for adding water D Don t mix water with ready to use washer fluid Water can cause the solution to freeze and damage your washer fluid tank and other parts of the washer system Also water doesn t clean as well as washer fluid D Fill your washer fluid tank only three quarters full when it s very cold This al...

Page 316: ...akes won t work well or won t work at all So it isn t a good idea to top off your brake fluid Adding brake fluid won t correct a leak If you add fluid when your linings are worn then you ll have too much fluid when you get new brake linings You should add or remove brake fluid as necessary only when work is done on the brake hydraulic system CAUTION If you have too much brake fluid it can spill on...

Page 317: ...N but not over the MAX mark What to Add When you do need brake fluid use only DOT 3 brake fluid Refer to Recommended Fluids and Lubricants in the Index Use new brake fluid from a sealed container only Always clean the brake fluid reservoir cap and the area around the cap before removing it This will help keep dirt from entering the reservoir CAUTION With the wrong kind of fluid in your brake syste...

Page 318: ...ar If you have a C 3500 HD model it has four wheel disc brakes without wear indicators If you ever hear a brake rubbing noise have the brake linings inspected If your pickup is not a C 3500 HD model it has front disc brakes and rear drum brakes Disc brake pads except C 3500 HD models have built in wear indicators that make a high pitched warning sound when the brake pads are worn and new pads are ...

Page 319: ...inings inspected immediately Also the rear brake drums should be removed and inspected each time the tires are removed for rotation or changing When you have the front brake pads replaced have the rear brakes inspected too Brake linings should always be replaced as complete axle sets See Brake System Inspection in Section 7 of this manual under Part C Periodic Maintenance Inspections Brake Pedal T...

Page 320: ...rformance you ve come to expect can change in many other ways if someone puts in the wrong replacement brake parts Battery Your new vehicle comes with an ACDelco FreedomR battery When it s time for a new battery we recommend an ACDelco Freedom battery Get one that has the replacement number shown on the original battery s label Vehicle Storage If you re not going to drive your vehicle for 25 days ...

Page 321: ...isn t running See Replacement Bulbs in the Index for the proper types of bulbs to use Halogen Bulbs CAUTION Halogen bulbs have pressurized gas inside and can burst if you drop or scratch the bulb You or others could be injured Be sure to read and follow the instructions on the bulb package Headlamps Sealed Beam Lamps 1 Remove the four screws from the headlamp retainer 2 Pull the headlamp out and r...

Page 322: ...Plug in the new headlamp and put it in place 5 Install the retainer to the headlamp and tighten the screws Composite Headlamps 1 Remove the two hex head pins at the locations shown 2 Pull out the headlamp lens assembly 3 Unplug the electrical connector ...

Page 323: ... assembly back into the vehicle Install and tighten the two hex head pins Front Turn Signal Lamps Sealed Beam Headlamps 1 Remove the two screws at the inside edge of the parking turn signal lamp assembly 2 Remove the lamp assembly by swinging it out from the inside edge and sliding it out at the outside edge 3 Squeeze the tab on the side of the lamp socket while turning the socket counterclockwise...

Page 324: ...n it clockwise until it is tight 7 Put the socket back into the lamp assembly and turn it clockwise until it locks 8 Put the parking turn signal lamp assembly back into the vehicle and tighten the screws Front Turn Signal Lamps Composite Headlamps 1 Remove the four screws and take out the parking turn signal lamp assembly 2 Squeeze the tab on the side of the lamp socket while turning the socket co...

Page 325: ... clockwise until it is tight 6 Put the socket back into the lamp assembly and turn it clockwise until it locks 7 Put the parking turn signal lamp assembly back into the vehicle and tighten the four screws Front Sidemarker Lamps Composite Headlamps 1 Remove the four screws and pull out the parking turn signal lamp assembly 2 Reach through the opening and turn the sidemarker bulb socket counterclock...

Page 326: ...t in until it is tight 5 Put the socket back into the sidemarker assembly and turn it clockwise to tighten it 6 Replace the parking turn signal lamp assembly and tighten the screws Fender Marker Lamps Dual Rear Wheel Pickup Models 1 Remove the screws and take the fender marker assembly out of the fender ...

Page 327: ...f the socket 4 Put a new bulb into the socket and push it in until it is tight 5 Put the socket back into the lens assembly and turn it clockwise to tighten it 6 Replace the lens and tighten the screws Center High Mounted Stoplamp CHMSL 1 Remove the screws and lift off the lens 2 Pull the old bulb straight out of the socket ...

Page 328: ...Put a new bulb into the socket and push it in until it is tight 4 Replace the lens and tighten the screws Pickup Box Identification Lamps Dual Rear Wheel Pickup Models 1 Remove the screws and lamp assembly 2 Unplug the lamp assembly harness 3 Use a screwdriver to gently pry the individual lamp from the lamp housing 4 Unplug the lamp at the connector 5 Plug in a new lamp and snap it into the housin...

Page 329: ...1 Open the tailgate 2 Remove the two rear lamp assembly screws near the tailgate latch and pull out the lamp assembly 3 Remove the screws from the bulb retainer and take it off the lamp assembly 4 Pull the old bulb straight out of the socket ...

Page 330: ...assis Cab Models 1 Using your hands peel the rubber seal away from the lens 2 Lift the lens off the lamp assembly 3 Slide the socket out of the lamp assembly 4 Push in gently on the bulb turn it counterclockwise and remove it from the socket 5 Put in a new bulb and pushing in gently turn it clockwise until it is tight 6 Put the socket back in the lamp assembly and replace the lens and lens seal ...

Page 331: ...ades come in different types and are removed in different ways For proper type and length see Normal Maintenance Replacement Parts in the Index Here s how to remove the Shephard s Hook type To replace the windshield wiper blade assembly 1 Lift the wiper arm and rotate the blade until it is facing away from the windshield 2 Push the release lever and slide the wiper assembly toward the driver s sid...

Page 332: ...d have an air out and a serious accident See Loading Your Vehicle in the Index D Underinflated tires pose the same danger as overloaded tires The resulting accident could cause serious injury Check all tires frequently to maintain the recommended pressure Tire pressure should be checked when your tires are cold D Overinflated tires are more likely to be cut punctured or broken by a sudden impact s...

Page 333: ...or at least three hours or driven no more than 1 mile 1 6 km NOTICE Don t let anyone tell you that underinflation or overinflation is all right It s not If your tires don t have enough air underinflation you can get the following D Too much flexing D Too much heat D Tire overloading D Bad wear D Bad handling D Bad fuel economy If your tires have too much air overinflation you can get the following...

Page 334: ... your tires as soon as possible and check wheel alignment Also check for damaged tires or wheels See When It s Time for New Tires and Wheel Replacement later in this section for more information If your vehicle has dual rear wheels also see Dual Tire Operation later in this section The purpose of regular rotation is to achieve more uniform wear for all tires on the vehicle The first rotation is th...

Page 335: ...s different from your rear tires always use the correct rotation pattern shown here when rotating your tires The dual tires are rotated as a pair and the inside rear tires become the outside rear tires When you install dual wheels be sure the vent holes in the inner and outer wheels on each side are lined up After the tires have been rotated adjust the front and rear inflation pressures as shown o...

Page 336: ... Time for New Tires One way to tell when it s time for new tires is to check the treadwear indicators which will appear when your tires have only 1 16 inch 1 6 mm or less of tread remaining Some commercial truck tires may not have treadwear indicators You need a new tire if any of the following statements are true D You can see the indicators at three or more places around the tire D You can see c...

Page 337: ...a Flat Tire in the Index for more information CAUTION If you operate your vehicle with a tire that is badly underinflated the tire can overheat An overheated tire can lose air suddenly or catch fire You or others could be injured Be sure all tires including the spare if any are properly inflated Buying New Tires To find out what kind and size of tires you need look at the Certification Tire label ...

Page 338: ...suddenly causing a crash Use only radial ply tires with the wheels on your vehicle Uniform Tire Quality Grading The following information relates to the system developed by the United States National Highway Traffic Safety Administration which grades tires by treadwear traction and temperature performance This applies only to vehicles sold in the United States The grades are molded on the sidewall...

Page 339: ...igned to this tire is based on straight ahead braking traction tests and does not include acceleration cornering hydroplaning or peak traction characteristics Temperature A B C The temperature grades are A the highest B and C representing the tire s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test w...

Page 340: ...air replace it except some aluminum wheels which can sometimes be repaired See your dealer if any of these conditions exist Your dealer will know the kind of wheel you need Each new wheel should have the same load carrying capacity diameter width offset and be mounted the same way as the one it replaces If you need to replace any of your wheels wheel bolts or wheel nuts replace them only with new ...

Page 341: ...aced on a dual wheel setup check the wheel nut torque after 100 1 000 and 6 000 miles 160 1 600 and 10 000 km of driving For proper torque see Wheel Nut Torque in the Index See Changing a Flat Tire in the Index for more information Used Replacement Wheels CAUTION Putting a used wheel on your vehicle is dangerous You can t know how it s been used or how far it s been driven It could fail suddenly a...

Page 342: ...find traction devices that will fit install them on the rear tires NOTICE Continued NOTICE Continued If you don t have dual wheels or if you have a tire size other than P265 75R16 or LT265 75R16 use tire chains only where legal and only when you must Use chains that are the proper size for your tires Install them on the tires of the rear axle Don t use chains on the tires of the front axle Tighten...

Page 343: ...and they can all damage your vehicle too Don t use any of these unless this manual says you can In many uses these will damage your vehicle D Alcohol D Laundry Soap D Bleach D Reducing Agents Cleaning the Inside of Your Vehicle Use a vacuum cleaner often to get rid of dust and loose dirt Wipe vinyl leather plastic and painted surfaces with a clean damp cloth Cleaning of Fabric and Carpet Your deal...

Page 344: ... Wipe cleaned area with a clean damp towel or cloth 7 Wipe with a clean cloth and let dry Special Fabric Cleaning Problems Stains caused by such things as catsup coffee black egg fruit fruit juice milk soft drinks vomit urine and blood can be removed as follows 1 Carefully scrape off excess stain then sponge the soiled area with cool water 2 If a stain remains follow the multi purpose interior cle...

Page 345: ...uct Cleaning Leather Use a soft cloth with lukewarm water and a mild soap or saddle soap and wipe dry with a soft cloth Then let the leather dry naturally Do not use heat to dry D For stubborn stains use a leather cleaner See your dealer for this product D Never use oils varnishes solvent based or abrasive cleaners furniture polish or shoe polish on leather D Soiled or stained leather should be cl...

Page 346: ...ning the Outside of the Windshield and Wiper Blades If the windshield is not clear after using the windshield washer or if the wiper blade chatters when running wax sap or other material may be on the blade or windshield Clean the outside of the windshield with GM Windshield Cleaner Bon AmiR Powder non scratching glass cleaning powder GM Part No 1050011 The windshield is clean if beads do not form...

Page 347: ...e or they could stain Dry the finish with a soft clean chamois or an all cotton towel to avoid surface scratches and water spotting High pressure car washes may cause water to enter your vehicle Cleaning Exterior Lamps Lenses Use lukewarm or cold water a soft cloth and a car washing soap to clean exterior lamps and lenses Follow instructions under Washing Your Vehicle Finish Care Occasional waxing...

Page 348: ...y Use special care with aluminum trim To avoid damaging protective trim never use auto or chrome polish steam or caustic soap to clean aluminum A coating of wax rubbed to high polish is recommended for all bright metal parts Cleaning Aluminum or Chrome Plated Wheels If Equipped Keep your wheels clean using a soft clean cloth with mild soap and water Rinse with clean water After rinsing thoroughly ...

Page 349: ...l can collect on the underbody If these are not removed accelerated corrosion rust can occur on the underbody parts such as fuel lines frame floor pan and exhaust system even though they have corrosion protection At least every spring flush these materials from the underbody with plain water Clean any areas where mud and other debris can collect Dirt packed in closed areas of the frame should be l...

Page 350: ...lics Plexiglast plastic rubber and vinyl 1052925 16 oz 0 473 L Multi Purpose Interior Cleaner Cleans carpets seats interior trim door panels and floor mats 1052929 16 oz 0 473 L Wheel Cleaner Spray on and rinse with water 1052930 8 oz 0 237 L Capture Dry Spot Remover Attracts absorbs and removes soils 12345002 16 oz 0 473 L Armor Allt Cleaner Cleans and shines a variety of surface types 12345721 2...

Page 351: ...ou ll find this label on the inside of the glove box It s very helpful if you ever need to order parts On this label is D your VIN D the model designation D paint information and D a list of all production options and special equipment Be sure that this label is not removed from the vehicle Electrical System Add On Electrical Equipment NOTICE Don t add anything electrical to your vehicle unless yo...

Page 352: ...current load is too heavy the circuit breaker opens and closes protecting the circuit until the problem is fixed or goes away Fuses and Circuit Breakers The wiring circuits in your vehicle are protected from short circuits by a combination of fuses circuit breakers and fusible thermal links This greatly reduces the chance of fires caused by electrical problems Look at the silver colored band insid...

Page 353: ...or is mounted to the fuse block access door To remove fuses if you don t have a fuse extractor hold the end of the fuse between your thumb and index finger and pull straight out You may have spare fuses located behind the fuse block access door These can be used to replace a bad fuse However make sure it is of the correct amperage Fuse Circuit Breaker Usage 1 Stop TCC Switch Buzzer CHMSL Hazard La...

Page 354: ...amps Roof Marker Lamps Tailgate Lamps Front Sidemarkers Fog Lamp Relay Door Switch Illumination Fender Lamps Headlamp Switch Illumination Fuse Circuit Breaker Usage 10 Not Used 11 Wiper Motor Washer Pump 12 A C A C Blower High Blower Relay 13 Power Amp Cigarette Lighter Door Lock Relay Power Lumbar Seat 14 4WD Indicator Cluster Comfort Controls Instrument Switches Radio Illumination Chime Module 1...

Page 355: ...ntry Module B Power Windows Underhood Fuse Relay Center The underhood fuse relay center is located in the rear of the engine compartment near the brake fluid reservoir Move the retainer clips for the cover to access the fuse block You can remove fuses with a fuse extractor The fuse extractor is mounted to the interior fuse block To remove fuses if you don t have a fuse extractor hold the end of th...

Page 356: ...l Engine HTD ST FR Not Used A C Air Conditioning HTD MIR Not Used ENG 1 Ignition Switch EGR Canister Purge EVRV Idle Coast Solenoid MAF Heated O2 Fuel Heater Diesel Engine Water Sensor Diesel Engine Boost Solenoid Diesel Engine EPR Diesel Engine HTD ST RR Not Used LIGHTING Headlamp and Panel Dimmer Switch Fog and Courtesy Fuses BATT Battery Fuse Block Busbar IGN A Ignition Switch IGN B Ignition Sw...

Page 357: ...7 Back up Lamp 2 3156 Fender Marker Lamp 4 194 Roof Marker Lamp 5 194 License Plate Lamp 2 194 Center High Mounted Stoplamp 4 921 Underhood Lamp 1 93 Pickup Box Identification Lamp 3 153R Interior Lamps Quantity Number Dome Lamps 2 211 2 Reading Lamps 2 211 2 Door Courtesy Lamps 2 194 Four Wheel Drive Indicator 1 194 Four Wheel Drive Shift Lever 1 194 Instrument Panel Compartment Lamp 1 194 Ashtra...

Page 358: ...cription Torque C K 1500 5 bolts 14 mm 140 lb ft 190 N m C K 1500 and C K 2500 6 bolts 14 mm 140 lb ft 190 N m C K 2500 w C6P 8 bolts 14 mm 140 lb ft 190 N m C K 3500 Single Rear Wheels 8 bolts 14 mm 140 lb ft 190 N m C K 3500 Dual Rear Wheels 8 bolts 14 mm 140 lb ft 190 N m C 3500 HD Front 5 bolts 5 8 in 175 lb ft 240 N m C 3500 HD Rear 10 bolts 5 8 in 175 lb ft 240 N m Tire Pressure See the Cert...

Page 359: ...nough engine oil so that the fluid is within the proper operating range See Engine Oil in the Index Engine VIN Quantity with Filter VORTEC 5000 M 5 0 quarts 4 8 L VORTEC 5700 R 5 0 quarts 4 8 L VORTEC 7400 J 6 6 quarts 6 3 L Oil filter should be changed at every oil change Fuel Tank Capacity Approximate Type Quantity Short Bed 26 gallons 98 L Long Bed 34 gallons 128 L Standard Crew Cab 34 gallons ...

Page 360: ... not the same as the part used in your vehicle when it was built or if you have any questions please contact your GM truck dealer These specifications are for information only If you have any questions see the service manual for the chassis or refer to the body manufacturer s publications VIN Code M R J Oil Filter PF1218 PF1218 PF1218 Air Cleaner Filter A1300C A1300C A1300C PCV Valve CV769C CV769C...

Page 361: ...yellowblue 6 79 NOTES ...

Page 362: ...yellowblue 6 80 NOTES ...

Page 363: ...hort Trip City Definition Gasoline Engines 7 5 Short Trip City Intervals Gasoline Engines 7 6 Long Trip Highway Definition Gasoline Engines 7 7 Long Trip Highway Intervals Gasoline Engines 7 8 Short Trip City Scheduled Maintenance Gasoline Engines 7 30 Long Trip Highway Scheduled Maintenance Gasoline Engines 7 41 Part B Owner Checks and Services 7 46 Part C Periodic Maintenance Inspections 7 48 Pa...

Page 364: ...an even affect the quality of the air we breathe Improper fluid levels or the wrong tire inflation can increase the level of emissions from your vehicle To help protect our environment and to keep your vehicle in good condition please maintain your vehicle properly How This Section is Organized This maintenance schedule is divided into five parts Part A Scheduled Maintenance Services shows what to...

Page 365: ...lp keep your vehicle in good condition Part C Periodic Maintenance Inspections explains important inspections that your dealer s service department or another qualified service center should perform Part D Recommended Fluids and Lubricants lists some recommended products to help keep your vehicle properly maintained These products or their equivalents should be used whether you do the work yoursel...

Page 366: ...rvice people will perform the work using genuine GM parts The proper fluids and lubricants to use are listed in Part D Make sure whoever services your vehicle uses these All parts should be replaced and all necessary repairs done before you or anyone else drives the vehicle These schedules are for vehicles that D carry passengers and cargo within recommended limits You will find these limits on yo...

Page 367: ...ou should follow this schedule if you operate your vehicle under any of these conditions is that these conditions cause engine oil to break down sooner Short Trip City Intervals Gasoline Engines Every 3 000 Miles 5 000 km Engine Oil and Filter Change or 3 months whichever occurs first Chassis Lubrication or 3 months whichever occurs first Drive Axle Service or 3 months whichever occurs first Every...

Page 368: ...0 000 Miles 240 000 km Cooling System Service or every 60 months whichever occurs first These intervals only summarize maintenance services Be sure to follow the complete scheduled maintenance on the following pages Long Trip Highway Definition Gasoline Engines Follow this scheduled maintenance only if none of the conditions from the Short Trip City Scheduled Maintenance is true Do not use this sc...

Page 369: ...000 km Automatic Transmission Service vehicles over 8600 GVWR or driven under severe conditions only Every 60 000 Miles 100 000 km Engine Accessory Drive Belt Inspection Fuel Tank Cap and Lines Inspection Exhaust Gas Recirculation System Inspection Evaporative Control System Inspection Long Trip Highway Intervals Gasoline Engines Every 100 000 Miles 166 000 km Spark Plug Wire Inspection Spark Plug...

Page 370: ... will not nullify the emission warranty or limit recall liability prior to the completion of the vehicle s useful life We however urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded Lubricate the front suspension kingpin bushings steering linkage transmission shift linkage transfer case shift linkage parking brake cable guides rear...

Page 371: ...every 15 000 miles 25 000 km D If your vehicle has a locking differential drain fluid and refill at first engine oil change D More frequent lubrication may be required for heavy duty or off road use D 3500 HD Models with applications requiring extreme overload trailer towing conditions and high speed above 45 mph or 70 km h conditions for extended periods of time must have the drive axle fluid cha...

Page 372: ...and axle seals for leaking See footnote 6 000 Miles 10 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j Rotate tires See Tir...

Page 373: ...and axle seals for leaking See footnote 12 000 Miles 20 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j Rotate tires See Ti...

Page 374: ...th GVWR Above 10 000 lbs Only Inspect shields and underhood insulation for damage or looseness Adjust or replace as required This is a Noise Emission Control Service Applicable only to vehicles sold in the United States 18 000 Miles 30 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whicheve...

Page 375: ...and axle seals for leaking See footnote 24 000 Miles 40 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j Rotate tires See Ti...

Page 376: ...Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j For Two Wheel Drive vehicles only Clean and repack the front wheel bearings or at each brake relining whichever occurs first j Replace fuel filter An Emission Control...

Page 377: ...uid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote 36 000 Miles 60 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Rotate tires See Tire Inspection and Rotation in the Index for proper rotation patter...

Page 378: ...r occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j Rotate tires See Tire Inspection and Rotation in the Index for proper rotation pattern and additional information See footnote 45 000 Miles...

Page 379: ...seness Adjust or replace as required This is a Noise Emission Control Service Applicable only to vehicles sold in the United States 48 000 Miles 80 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed ...

Page 380: ... such as found in taxi police or delivery service If you do not use your vehicle under any of these conditions change the fluid and filter at 100 000 miles 166 000 km Manual transmission fluid doesn t require change 51 000 Miles 85 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever oc...

Page 381: ...and axle seals for leaking See footnote j Rotate tires See Tire Inspection and Rotation in the Index for proper rotation pattern and additional information See footnote 57 000 Miles 95 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axle...

Page 382: ... vehicles only Clean and repack the front wheel bearings or at each brake relining whichever occurs first j Vehicles With GVWR Above 10 000 lbs Only Inspect shields and underhood insulation for damage or looseness Adjust or replace as required This is a Noise Emission Control Service Applicable only to vehicles sold in the United States j Inspect engine accessory drive belt An Emission Control Ser...

Page 383: ...gasket for any damage Replace parts as needed An Emission Control Service See footnote j Rotate tires See Tire Inspection and Rotation in the Index for proper rotation pattern and additional information See footnote 63 000 Miles 105 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever o...

Page 384: ... pattern and additional information See footnote 69 000 Miles 115 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote 72 000 Mile...

Page 385: ...Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j For Two Wheel Drive vehicles only Clean and repack the front wheel bearings or at each brake relining whichever occurs first j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j Vehicles With GVWR Above 10 00...

Page 386: ... pattern and additional information See footnote 81 000 Miles 135 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote 84 000 Mile...

Page 387: ...ntrol Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote 90 000 Miles 150 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 mont...

Page 388: ...e footnote j Vehicles With GVWR Above 10 000 lbs Only Inspect shields and underhood insulation for damage or looseness Adjust or replace as required This is a Noise Emission Control Service Applicable only to vehicles sold in the United States 93 000 Miles 155 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components o...

Page 389: ...and axle seals for leaking See footnote j Rotate tires See Tire Inspection and Rotation in the Index for proper rotation pattern and additional information See footnote 99 000 Miles 165 000 km j Change engine oil and filter or every 3 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 3 months whichever occurs first See footnote j Check rear front axl...

Page 390: ...ic where the outside temperature regularly reaches 90_F 32_C or higher In hilly or mountainous terrain When doing frequent trailer towing Uses such as found in taxi police or delivery service Manual transmission fluid doesn t require change j If you haven t used your vehicle under severe service conditions listed previously and therefore haven t changed your automatic transmission fluid change bot...

Page 391: ...lush and refill cooling system or every 60 months since last service whichever occurs first See Engine Coolant in the Index for what to use Inspect hoses Clean radiator condenser pressure cap and neck Pressure test cooling system and pressure cap An Emission Control Service ACTUAL SERVICED BY MILEAGE DATE ...

Page 392: ...ervals and the maintenance be recorded Lubricate the front suspension kingpin bushings steering linkage transmission shift linkage transfer case shift linkage parking brake cable guides rear driveline center splines front axle propshaft spline and brake pedal springs Ball joints and kingpin bushings should not be lubricated unless their temperature is 10_F 12_C or higher or they could be damaged A...

Page 393: ...s 25 000 km j Change engine oil and filter or every 12 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 12 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j Vehicles With GVWR Above 10 000 lbs Only Inspect shields and underho...

Page 394: ...n and additional information See footnote 30 000 Miles 50 000 km j Change engine oil and filter or every 12 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 12 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j For Two Wheel D...

Page 395: ...vehicles sold in the United States 37 500 Miles 62 500 km j Change engine oil and filter or every 12 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 12 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j Rotate tires See Tire ...

Page 396: ...eness Adjust or replace as required This is a Noise Emission Control Service Applicable only to vehicles sold in the United States j Rotate tires See Tire Inspection and Rotation in the Index for proper rotation pattern and additional information See footnote 50 000 Miles 83 000 km j Change automatic transmission fluid and filter if the vehicle s GVWR is over 8600 lbs or if the vehicle is mainly d...

Page 397: ... front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j Rotate tires See Tire Inspection and Rotation in the Index for proper rotation pattern and additional information See footnote 60 000 Miles 100 000 km j Change engine oil and filter or every 12 months whichever occurs first An Emission Control Service j Lubricate chassis compone...

Page 398: ...d lines for damage or leaks Inspect fuel cap gasket for any damage Replace parts as needed An Emission Control Service See footnote j Vehicles With GVWR Above 10 000 lbs Only Inspect shields and underhood insulation for damage or looseness Adjust or replace as required This is a Noise Emission Control Service Applicable only to vehicles sold in the United States j Inspect Exhaust Gas Recirculation...

Page 399: ...s 125 000 km j Change engine oil and filter or every 12 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 12 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See footnote j Vehicles With GVWR Above 10 000 lbs Only Inspect shields and underh...

Page 400: ... Index for proper rotation pattern and additional information See footnote 90 000 Miles 150 000 km j Change engine oil and filter or every 12 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 12 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leak...

Page 401: ...or proper rotation pattern and additional information See footnote 97 500 Miles 162 500 km j Change engine oil and filter or every 12 months whichever occurs first An Emission Control Service j Lubricate chassis components or every 12 months whichever occurs first See footnote j Check rear front axle fluid level and add fluid as needed Check constant velocity joints and axle seals for leaking See ...

Page 402: ... or delivery service Manual transmission fluid doesn t require change j If you haven t used your vehicle under severe service conditions listed previously and therefore haven t changed your automatic transmission fluid change both the fluid and filter Manual transmission fluid doesn t require change j Inspect Positive Crankcase Ventilation PCV valve An Emission Control Service 150 000 Miles 240 00...

Page 403: ... attendant to perform these underhood checks at each fuel fill Engine Oil Level Check Check the engine oil level and add the proper oil if necessary See Engine Oil in the Index for further details Engine Coolant Level Check Check the engine coolant level and add DEX COOLR coolant mixture if necessary See Engine Coolant in the Index for further details Windshield Washer Fluid Level Check Check the ...

Page 404: ...ment that lets you know when the air cleaner filter is dirty and needs to be changed Check indicator at least twice a year or when your oil is changed whichever occurs first See Air Cleaner in the Index for more information Inspect your air cleaner filter restriction indicator more often if the vehicle is used in dusty areas or under off road conditions Weatherstrip Lubrication Silicone grease on ...

Page 405: ... this check the vehicle could move suddenly If it does you or others could be injured Follow the steps below 1 Before you start be sure you have enough room around the vehicle 2 Firmly apply both the parking brake see Parking Brake in the Index if necessary and the regular brake NOTE Do not use the accelerator pedal and be ready to turn off the engine immediately if it starts 3 On automatic transm...

Page 406: ...hicle begins to move 3 With the engine off turn the key to the RUN position but don t start the engine Without applying the regular brake try to move the shift lever out of PARK P with normal effort If the shift lever moves out of PARK P your vehicle s BTSI needs service Ignition Transmission Lock Check While parked and with the parking brake set try to turn the ignition key to LOCK in each shift ...

Page 407: ...le facing downhill Keeping your foot on the regular brake set the parking brake D To check the parking brake s holding ability With the engine running and transmission in NEUTRAL N slowly remove foot pressure from the regular brake pedal Do this until the vehicle is held by the parking brake only D To check the PARK P mechanism s holding ability With the engine running shift to PARK P Then release...

Page 408: ...brication Inspect the power steering lines and hoses for proper hook up binding leaks cracks chafing etc Exhaust System Inspection Inspect the complete exhaust system Inspect the body near the exhaust system Look for broken damaged missing or out of position parts as well as open seams holes loose connections or other conditions which could cause a heat build up in the floor pan or could let exhau...

Page 409: ...ubricant when necessary On manual shift transfer case oil the control lever pivot point Check vent hose at transfer case for kinks and proper installation More frequent lubrication may be required on off road use Brake System Inspection Inspect the complete system Inspect brake lines and hoses for proper hook up binding leaks cracks chafing etc Inspect disc brake pads for wear and rotors for surfa...

Page 410: ... See Engine Coolant in the Index Hydraulic Brake System Delco Supreme 11R Brake Fluid GM Part No 12377967 or equivalent DOT 3 Brake Fluid USAGE FLUID LUBRICANT Windshield Washer Solvent GM OptikleenR Washer Solvent GM Part No 1051515 or equivalent Hydraulic Clutch System Hydraulic Clutch Fluid GM Part No 12345347 or equivalent DOT 3 Brake Fluid Parking Brake Cable Guides Chassis Lubricant GM Part ...

Page 411: ...o 12377985 or equivalent or lubricant meeting requirements of NLGI 2 Category LB or GC LB USAGE FLUID LUBRICANT Front Wheel Bearings Wheel Bearing Lubricant meeting requirements of NLGI 2 Category GC or GC LB GM Part No 1051344 or equivalent Front and Rear Axle Standard Differential SAE 80W 90 Axle Lubricant GM Part No 1052271 or equivalent Rear Axle Locking Differential SAE 80W 90 Axle Lubricant ...

Page 412: ...bricant Aerosol GM Part No 12346293 or equivalent or lubricant meeting requirements of NLGI 2 Category LB or GC LB Hood and Door Hinges Multi Purpose Lubricant SuperlubeR GM Part No 12346241 or equivalent USAGE FLUID LUBRICANT Body Door Hinge Pins Tailgate Hinge and Linkage Folding Seat and Fuel Door Hinge Multi Purpose Lubricant SuperlubeR GM Part No 12346241 or equivalent Tailgate Handle Pivot P...

Page 413: ...es provided after the maintenance interval Any additional information from Owner Checks and Services or Periodic Maintenance can be added on the following record pages Also you should retain all maintenance receipts Your owner information portfolio is a convenient place to store them Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...

Page 414: ...yellowblue 7 52 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...

Page 415: ...Customer Assistance for Text Telephone TTY Users 8 4 Customer Assistance Offices 8 5 GM Mobility Program for Persons with Disabilities 8 6 Roadside Assistance 8 7 Canadian Roadside Assistance 8 8 Courtesy Transportation 8 9 Warranty Information 8 10 Reporting Safety Defects to the United States Government 8 10 Reporting Safety Defects to the Canadian Government 8 11 Reporting Safety Defects to Gen...

Page 416: ...rtments Sometimes however despite the best intentions of all concerned misunderstandings can occur If your concern has not been resolved to your satisfaction the following steps should be taken STEP ONE Discuss your concern with a member of dealership management Normally concerns can be quickly resolved at that level If the matter has already been reviewed with the sales service or parts manager c...

Page 417: ...the vehicle registration or title or the plate at the top left of the instrument panel and visible through the windshield D Dealership name and location D Vehicle delivery date and present mileage When contacting GMC please remember that your concern will likely be resolved at a dealer s facility That is why we suggest you follow Step One first if you have a concern STEP THREE Both General Motors ...

Page 418: ...0 This program is available in all 50 states and the District of Columbia Eligibility is limited by vehicle age mileage and other factors General Motors reserves the right to change eligibility limitations and or discontinue its participation in this program Customer Assistance for Text Telephone TTY Users To assist customers who are deaf hard of hearing or speech impaired and who use Text Telepho...

Page 419: ... If toll free service is not available in the Caribbean call Puerto Rico 1 787 763 1315 GM Mobility Program for Persons with Disabilities This program available to qualified applicants can reimburse you up to 1 000 toward aftermarket driver or passenger adaptive equipment you may require for your vehicle hand controls wheelchair scooter lifts etc This program can also provide you with free resourc...

Page 420: ... will be covered at no charge if you are unable to gain entry into your vehicle Delivery of the replacement key will be covered at no charge within 10 miles 16 km Emergency Towing Service Towing to the nearest GMC dealer for warranty related disablements will be covered Deluxe Trip Routing Custom made computerized highlighted maps using the most direct or scenic route are provided free of charge M...

Page 421: ...ehicle or mileage Just dial GMC Roadside Assistance at 1 800 GMC 8782 1 800 462 8782 Roadside Assistance prompt to reach a qualified representative who can assist you Your Roadside Assistance representative will ask for the following information when your call is received D Vehicle Identification Number VIN D Name and home address D Telephone number and location from which you are calling D Locati...

Page 422: ...raged to drive the vehicle until scheduling can be accomplished If the dealer requests that you simply drop the vehicle off for service you are urged to do so as early in the work day as possible to allow for same day repair Transportation Options Warranty service can generally be completed while you wait However if you are unable to wait GMC helps minimize your inconvenience by providing several ...

Page 423: ...rmation Courtesy Transportation is available only at participating dealerships and all program options such as shuttle service may not be available at every dealer Please contact your dealer for specific information about availability All Courtesy Transportation arrangements will be administered by appropriate dealer personnel Canadian Vehicles For warranty repairs during the Complete Vehicle Cove...

Page 424: ...TSA cannot become involved in individual problems between you your dealer or General Motors To contact NHTSA you may either call the Auto Safety Hotline toll free at 1 800 424 9393 or 366 0123 in the Washington D C area or write to NHTSA U S Department of Transportation Washington D C 20590 You can also obtain other information about motor vehicle safety from the hotline REPORTING SAFETY DEFECTS T...

Page 425: ...I 48343 6008 In Canada please call us at 1 800 263 3777 English or 1 800 263 7854 French Or write General Motors of Canada Limited Customer Communication Centre 163 005 1908 Colonel Sam Drive Oshawa Ontario L1H 8P7 Ordering Service and Owner Publications in Canada Service manuals owner s manuals and other service literature are available for purchase for all current and past model General Motors v...

Page 426: ...rmation about the vehicle The owner s manual will include the Maintenance Schedule for all models In Portfolio Includes a Portfolio Owner s Manual and Warranty Booklet RETAIL SELL PRICE 20 00 Without Portfolio Owner s Manual only RETAIL SELL PRICE 15 00 CURRENT PAST MODEL ORDER FORMS Service Publications are available for current and past model GM vehicles To request an order form please specify y...

Page 427: ...999 90 00 1999 50 00 1999 20 00 1999 15 00 TOTAL MATERIAL Michigan Purchasers U S Order Processing 6 00 Canadian Postage GRAND TOTAL add 6 sales tax See Note Below GM GMC ORD99 Prices are subject to change without notice and without incurring obligation Allow ample time for delivery Note to Canadian Customers All listed prices are quoted in U S funds Canadian residents are to make checks payable i...

Page 428: ...yellowblue 8 14 NOTES ...

Page 429: ...igerants 6 78 Alignment and Balance Tire 6 58 Aluminum Wheels Cleaning 6 66 Antenna 3 27 Antifreeze 6 28 6 76 7 48 Anti Lock Brake System Warning Light 2 68 4 7 Brakes 4 7 Appearance Care 6 61 Appearance Materials GM Vehicle Care 6 68 Arbitration Program 8 3 Armrest Storage Compartment 2 56 Ashtrays 2 57 Audio Equipment Adding 3 25 Audio Systems 3 7 Automatic Transmission Check 7 42 Fluid 6 20 7 4...

Page 430: ...d Console 2 51 Center Passenger Position 1 35 Certification Label 4 43 Certification Tire Label 4 43 Chains Safety 4 56 Chains Tire 6 60 Changing a Flat Tire 5 20 Charging System Light 2 67 Check Gages Light 2 74 Checking Your Restraint Systems 1 71 Chemical Paint Spotting 6 67 Child Restraints 1 48 Securing in a Rear Outside Seat Position 1 54 1 56 Securing in the Center Seat Position 1 59 Securi...

Page 431: ...t Telephone Users 8 4 Customer Assistance Information 8 1 Customer Satisfaction Procedure 8 2 Damage Finish 6 67 Damage Sheet Metal 6 67 Daytime Running Lamps 2 42 Daytime Running Lamps Indicator Light 2 74 Dead Battery 5 3 Defects Reporting Safety 8 10 Defensive Driving 4 2 Defogger Rear Window 3 6 Defogging and Defrosting 3 6 Dolby Noise Reduction 3 15 Dome Lamps 2 43 Door Locks 2 5 Storage Pock...

Page 432: ... 14 Pressure Gage 2 72 Used 6 17 When to Change 6 16 Exhaust Engine 2 30 4 40 Fabric Cleaning 6 61 Fan Control Climate Control System 3 2 3 3 Fender Marker Lamp Bulb Replacement 6 44 Filling a Portable Fuel Container 6 8 Filling Your Tank 6 5 Filter Air 6 17 6 78 Finish Care 6 65 Finish Damage 6 67 Flashers Hazard Warning 5 2 Flat Tire Changing 5 20 Fluid Capacities 6 77 Fluids and Lubricants 7 48...

Page 433: ...ow Beam Changer 2 36 On Reminder 2 41 Wiring 6 70 Hearing Impaired Customer Assistance 8 4 Heating 3 4 High Beam Headlamps 2 36 Highway Hypnosis 4 33 Hill and Mountain Roads 4 34 Hitches Trailer 4 55 Hood Checking Things Under 6 8 Release 6 9 Horn 2 35 Hydraulic Clutch Fluid 6 24 7 48 Hydraulic Clutch System Check 7 42 Hydroplaning 4 30 Ignition Positions 2 11 Ignition Transmission Lock Check 7 44...

Page 434: ...nning Lamps Indicator 2 74 Safety Belt Reminder 1 9 2 64 Security 2 73 Service Engine Soon 2 70 Shift 2 21 2 74 Loading Information Truck Camper 4 45 Loading Your Vehicle 4 43 Loading Your Vehicle for Off Road Driving 4 14 Lockout Switch 2 34 Locks Cylinders 7 43 Door 2 5 Ignition Transmission Check 7 44 Key Lock Cylinders Service 7 43 Power Door 2 6 Lubricants and Fluids 7 48 Lubrication Weathers...

Page 435: ...e Break In 2 10 Night Vision 4 27 Noise Control System 6 12 Normal Maintenance Normal Replacement Parts 6 78 Odometer 2 63 Odometer Trip 2 63 Off Road Driving 4 14 Off Road Recovery 4 11 Oil Engine 6 13 7 48 Opener Garage Door 2 51 Overheating Engine 5 9 Owner Checks and Services 7 41 Owner Publications Ordering 8 12 8 13 Paint Spotting Chemical 6 67 Park Shifting Into 2 27 Park Shifting Out of 2 ...

Page 436: ... Comfort Guides 1 43 Seat Passengers 1 37 Towing 5 8 Window Defogger 3 6 Rear Seat 1 7 1 8 Rearview Mirror 2 44 Electrochromic Day Night 2 45 Inside Day Night 2 44 Reclining Seatbacks 1 4 Recommended Fluids and Lubricants 7 48 Recovery Hooks 5 33 Recovery Tank Coolant 5 11 Recreational Vehicle Towing 4 41 Refrigerants Air Conditioning 6 78 Replacement Bulbs 6 39 6 75 Parts 6 78 Wheel 6 58 Replacin...

Page 437: ...ety Warnings and Symbols iii Scheduled Maintenance Services 7 4 Seatback Latches 1 5 Seatbacks Reclining 1 4 Seats Easy Entry 1 6 Manual Front 1 2 Power Driver s 1 3 Power Lumbar Control 1 3 Rear 1 7 1 8 Restraint Systems 1 1 Seat Controls 1 2 Securing a Child Restraint 1 54 1 56 1 59 1 62 1 64 Securing a Child Restraint in the Right Front Seat Position 1 62 1 64 Security Light 2 73 Service 6 2 Bu...

Page 438: ...50 Storage Overhead 2 51 Storage Vehicle 6 38 Stuck In Sand Mud Ice or Snow 5 32 Sun Visors 2 59 Sunglasses Storage 2 52 Symbols Vehicle v Tachometer 2 63 Tailgate Removal 2 3 Taillamp Bulb Replacement 6 47 6 48 Tape Player Care 3 26 Temperature Control Climate Control System 3 2 3 3 Theft 2 9 Theft Deterrent Feature 3 22 THEFTLOCKR 3 22 Thermostat 6 28 Third Door 2 4 Tilt Steering Wheel 2 35 Time...

Page 439: ...Tires 4 55 Towing 4 49 Turn Signals 4 57 Weight 4 50 Wiring Harness 4 60 Transfer Case Electronic 2 24 Transfer Case Lubricant 6 25 7 49 Transfer Case Manual 2 22 Transmission Fluid Automatic 6 20 7 49 Manual 6 23 7 48 Transmitters Keyless Entry 2 6 Transportation Courtesy 8 8 Trip Odometer 2 63 TTY Users 8 4 Turn Signal and Lane Change Signals 2 36 Turn Signal Multifunction Lever 2 35 Turn Signal...

Page 440: ...or 2 49 Wheel Alignment 6 58 Nut Torque 5 28 6 77 Replacement 6 58 Wrench 5 21 Windows 2 32 Lockout Switch 2 34 Manual 2 32 Power 2 33 Sliding Rear 2 34 Swing Out 2 34 Windshield Washer 2 38 Fluid 2 38 6 33 7 48 Fluid Level Check 7 41 Windshield Wipers 2 37 Blade Replacement 6 49 6 78 Cleaning the Blades 6 64 Fuses 6 70 Winter Driving 4 36 Wiper Blades Cleaning 6 64 Wiring Headlamp 6 70 Wrench Whe...

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