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Black plate (14,1)

DURAMAX Diesel Engine (LML/LGH) - 2011

11-14

Service and Maintenance

Maintenance Record (cont'd)

Date

Odometer

Reading

Serviced By

Services Performed

All manuals and user guides at all-guides.com

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Содержание LGH

Страница 1: ...tion 5 15 Driving and Operating 9 1 Starting and Operating 9 1 Engine Exhaust 9 10 Brakes 9 16 Fuel 9 17 Towing 9 37 Conversions and Add Ons 9 42 Vehicle Care 10 1 General Information 10 2 Vehicle Checks 10 4 Electrical System 10 29 Service and Maintenance 11 1 General Information 11 1 Scheduled Maintenance 11 2 Recommended Fluids Lubricants and Parts 11 8 Maintenance Records 11 12 Technical Data ...

Страница 2: ...bstitute the name General Motors of Canada Limited for GMC and Chevrolet Motor Division wherever it appears in this manual This manual contains information that pertains to the operation of your diesel engine It also contains your Diesel Maintenance Schedule The sections in this manual correspond to the sections in your owner manual This manual along with your owner manual will assist you in the p...

Страница 3: ...ot explain everything you need to know about the vehicle Read this supplement along with the owner manual to learn about the vehicle s features and controls Index A good place to look for what you need is the Index in back of this supplement It is an alphabetical list of what is in the supplement and the page number where you will find it All manuals and user guides at all guides com ...

Страница 4: ...Black plate 4 1 DURAMAX Diesel Engine LML LGH 2011 iv Introduction 2 NOTES All manuals and user guides at all guides com ...

Страница 5: ...ion will also be prevented when air or transmission oil temperatures are below certain levels For areas where ambient temperatures are below 40 C 40 F use synthetic transmission fluid approved to Allison Transmission specification TES 295 See Recommended Fluids and Lubricants on page 11 8 and Automatic Transmission Fluid on page 10 11 Adaptive Shift Controls The shift quality of a new vehicle may ...

Страница 6: ...tes engine oil life based on vehicle use and on most vehicles displays a DIC message when it is necessary to change the engine oil and filter The oil life system should be reset only following an oil change Resetting the Oil Life System To reset the Engine Oil Life System on van models 1 Display the OIL LIFE REMAINING on the DIC 2 Press and hold the SET RESET button on the DIC for more than five s...

Страница 7: ...by the engine computer the DPF will need to be cleaned of accumulated solids When a cleaning is needed the engine computer will initiate a cleaning action by warming the exhaust gas temperature This feature has been designed to operate automatically with limited operator involvement or awareness Cleaning the DPF Exhaust Filter While the DPF cleaning is automatically controlled by the engine comput...

Страница 8: ...t in the instrument cluster and the DIC will display the message REDUCED ENGINE POWER See Diesel Particulate Filter Exhaust Filter on page 9 10 and Engine Power Messages on page 5 11 Fuel Use Ultra Low Sulfur Diesel Fuel ULSD Use Ultra Low Sulfur Diesel Fuel ULSD only The emission control hardware used on the vehicle may be damaged by using fuel with high sulfur levels Use only fuel that is dispen...

Страница 9: ...istance Offices in the owner manual for phone numbers to assist you in contacting a GM dealer See Recommended Fluids and Lubricants on page 11 8 As the DEF tank becomes low on fluid warnings begin with approximately 1600 km 1000 miles of remaining range These warnings will increase in intensity as the tank becomes empty Once the tank is empty the vehicle will be speed limited to 89 km h 55 mph and...

Страница 10: ...Black plate 6 1 DURAMAX Diesel Engine LML LGH 2011 1 6 In Brief 2 NOTES All manuals and user guides at all guides com ...

Страница 11: ...ion Displays Driver Information Center DIC 5 10 Vehicle Messages Vehicle Messages 5 11 Engine Cooling System Messages 5 11 Engine Oil Messages 5 11 Engine Power Messages 5 11 Fuel System Messages 5 12 Diesel Exhaust Fluid Messages 5 12 Diesel Particulate Filter Messages 5 12 Service Vehicle Messages 5 13 Starting the Vehicle Messages 5 13 Transmission Messages 5 14 Vehicle Speed Messages 5 14 Vehi...

Страница 12: ...ate 2 1 DURAMAX Diesel Engine LML LGH 2011 5 2 Instruments and Controls Warning Lights Gauges and Indicators Instrument Cluster English Pickup Shown Metric Similar All manuals and user guides at all guides com ...

Страница 13: ...Black plate 3 1 DURAMAX Diesel Engine LML LGH 2011 Instruments and Controls 5 3 English Van Shown Metric Similar All manuals and user guides at all guides com ...

Страница 14: ... Models Metric Van Models English Van Models When the ignition is on the fuel gauge shows approximately how much fuel the vehicle has left in the tank The gauge will first indicate E empty before the vehicle is out of fuel but the vehicle s fuel tank should be filled soon An arrow on the fuel gauge indicates the side of the vehicle the fuel door is on All manuals and user guides at all guides com ...

Страница 15: ...but it actually took a little more or less than half the tank s capacity to fill the tank The gauge moves a little while turning a corner or speeding up The gauge does not go back to E empty when the ignition is turned off None of these indicate a problem with the fuel gauge For information on how to fill the fuel tank see Filling the Tank on page 9 35 The vehicle also has a fuel cooler To clean p...

Страница 16: ...rmal operating range the low oil pressure message may display on the Driver Information Center DIC or for vehicles without DIC the oil pressure light comes on If the oil level is outside the normal operating range of 0 548 kPa 0 80 psi check the oil level immediately DO NOT operate the engine with the oil pressure warning light on or a ENGINE OIL LOW ADD OIL message displayed Malfunction Indicator...

Страница 17: ...he original tires with other than those of the same Tire Performance Criteria TPC can affect the vehicle s emission controls and can cause this light to come on Modifications to these systems could lead to costly repairs not covered by the vehicle warranty This could also result in a failure to pass a required Emission Inspection Maintenance test See Accessories and Modifications on page 10 2 This...

Страница 18: ...n acceleration or stumbling on acceleration These conditions might go away once the engine is warmed up If one or more of these conditions occurs change the fuel brand used It will require at least one full tank of the proper fuel to turn the light off See Fuel for Diesel Engines on page 9 17 If none of the above have made the light turn off your dealer can check the vehicle The dealer has the pro...

Страница 19: ...inspection Wait to Start Light The wait to start light shows that the engine is functioning properly and indicates when the engine can be started The fast warm up glow plug system makes the wait to start light stay on for a shorter amount of time than most diesel engines For more information see Starting the Diesel Engine on page 9 1 Diesel Exhaust Fluid DEF Warning Light This light a Driver Infor...

Страница 20: ...play it means 90 of the current fuel filter life remains The fuel filter life system will alert you to change your fuel filter on a schedule consistent with your driving conditions When the remaining fuel filter life is low the CHANGE FUEL FILTER message will appear on the display You should change your fuel filter as soon as you can FUEL FILTER LIFE RESET You must reset the FUEL FILTER LIFE REMAI...

Страница 21: ...n on driving to a safe place in an emergency If your vehicle has a low coolant level sensor this message will appear on the DIC if the engine coolant level is low Adding coolant to the coolant recovery tank will clear the message See Engine Coolant in the owner manual Engine Oil Messages ENGINE OIL LOW ADD OIL If your vehicle has an oil level sensor this message displays if the oil level in the ve...

Страница 22: ...D RANGE XXX When the exhaust fluid is getting low the range will be displayed in either kilometers or miles It is normal for the EXHAUST FLUID RANGE to vary based on vehicle and environmental driving conditions EXHAUST FLUID QUALITY POOR SEE OWNERS MANUAL NOW This message displays when the exhaust fluid is of poor quality This message may be accompanied by other messages that provide more informat...

Страница 23: ...cess the settings for this feature Then press the customization button to scroll through the following settings OFF ON or NO CHANGE Choose one of the available settings and press the set reset button while it is displayed on the DIC to select it ELEVATED IDLE ON If your vehicle does not have DIC buttons this message will appear when the elevated idle exhaust restrictor feature has been turned on T...

Страница 24: ...AUST FLUID QUALITY POOR or SERVICE EXHAUST FLUID SYSTEM The vehicle speed will be limited to 89 KM H 55 MPH at the next restart 7 KM H 4 MPH MAX SPEED NEXT FUEL FILL This message will be displayed along with other messages These messages include EXHAUST FLUID EMPTY REFILL NOW EXHAUST FLUID QUALITY POOR or SERVICE EXHAUST FLUID SYSTEM The vehicle speed will be limited to 7 KM H 4 MPH at the next fu...

Страница 25: ...een appears on the DIC display Press the set reset button once to access the settings for this feature Then press the customization button to scroll through the following choices 800 RPM 900 RPM 1000 RPM 1100 RPM 1200 RPM 1300 RPM 1400 RPM 1500 RPM NO CHANGE To select a setting press the set reset button while the desired setting is displayed on the DIC PTO SET 1 SPEED This feature allows you to s...

Страница 26: ...s on the DIC display Press the set reset button once to access the settings for this feature Then press the customization button to scroll through the following choices 25 RPM 75 RPM 100 RPM 150 RPM 200 RPM 250 RPM 350 RPM NO CHANGE To select a setting press the set reset button while the desired setting is displayed on the DIC PTO SHUTDOWN TIME This feature allows you to select the PTO shutdown t...

Страница 27: ...r Operation 9 27 Water in Fuel 9 27 Running Out of Fuel 9 32 Fuel Filter Replacement 9 33 Filling the Tank 9 35 Filling a Portable Fuel Container 9 37 Towing Trailer Towing 9 37 Conversions and Add Ons Power Take Off PTO 9 42 Starting and Operating Starting the Diesel Engine The diesel engine starts differently than a gasoline engine The vehicle will only start in the P Park or the N Neutral posit...

Страница 28: ...gine after you have run out of fuel follow the steps in Running Out of Fuel on page 9 32 When the engine is cold let it run for a few minutes before you move the vehicle This lets oil pressure build up The engine will sound louder when it s cold Notice If you are not in an idling vehicle and the engine overheats you would not be there to see the overheated engine indication This could damage the v...

Страница 29: ...may be harder to start Be sure you are using the proper fuel for existing weather conditions See Fuel for Diesel Engines on page 9 17 If the engine starts runs a short time then stops the vehicle needs service WARNING Do not use gasoline or starting aids such as ether in the air intake They could damage the engine There could also be a fire which could cause serious personal injury Elevated Idle T...

Страница 30: ... temperature are still met Fast Idle Control The vehicle may have this system which can be used to increase the engine idle speed Fast Idle control will be enabled when the following conditions are met The park brake is set The transmission is in P Park or N Neutral The vehicle speed is about 0 km h 0 mph The cruise control is in the On position See Cruise Control in the Index of the vehicle owner...

Страница 31: ...ow under all conditions The vehicle may overheat if the cover is used while towing a trailer Do not modify the cover The winter cover does not cover some sections of the front of the vehicle because these openings are needed to provide enough airflow to the radiator grille and air cooler in extremely cold temperatures When the winter cover is used the temperature sensor found on the inside rearvie...

Страница 32: ...allation Chevrolet Pickup Open the hood A Slide the channels of the cover down the back edge of the grille on both sides B Hook J clips to the bottom of the grille C Hook J clips on to the top edge of the grille by the engine compartment All manuals and user guides at all guides com ...

Страница 33: ... winter cover reverse the steps listed previously Installation GMC Pickup Open the hood A Slide the channels of the cover down the back edge of the grille on both sides B Insert pockets between the grille and the bumper C Hook J clips on to the top edge of the grille by the engine compartment All manuals and user guides at all guides com ...

Страница 34: ...o remove the winter cover reverse the steps listed previously Installation Van Models Open the hood and secure it with the prop rod A Hook the 5 J clips on to the bottom edge of the grille B Hook the top center J clip by the hood latch All manuals and user guides at all guides com ...

Страница 35: ...at 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 will not 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 before to keep it away from moving engine parts and prevent damage The length of time the heater should r...

Страница 36: ...C 167 F Parking Over Things That Burn WARNING Things that can burn could touch hot exhaust parts under the vehicle and ignite Do not park over papers leaves dry grass or other things that can burn Engine Exhaust Diesel Particulate Filter Exhaust Filter The vehicle has a Diesel Particulate Filter DPF as part of the exhaust system to reduce vehicle emissions The DPF requires a unique exhaust tailpip...

Страница 37: ...essage goes off This will take about 30 minutes WARNING During DPF self cleaning or during extended idling in P Park the exhaust system and exhaust gases are very hot Things that burn could touch hot exhaust parts under the vehicle and ignite You or others could be burned Do not park or idle for an extended period of time near or over papers leaves dry grass or other things that can burn Keep the ...

Страница 38: ...All engines consume some amount of engine oil Ash is the by product of engine oil combustion The ash will become trapped in the DPF over the life of the vehicle Eventually the buildup of ash will restrict the exhaust gases and the DPF will need to be cleaned or replaced See Accessories and Modifications on page 10 2 for important information if you are considering adding accessories or modifying t...

Страница 39: ...ling the DEF Tank Notice Use only exhaust fluid that is GM approved or fluid containing the API certified or ISO 22241 label The use of other fluids could damage the system requiring costly repairs that will not be covered by the vehicle warranty When adding DEF to an empty or very low tank always add at least 3 78 liters one gallon of fluid to release the vehicle from speed limitation Do not over...

Страница 40: ... added before the EXHAUST FLUID EMPTY message appears it may take several km miles for the DIC message to update If the vehicle speed has been limited and DEF has been added it may take up to 30 seconds after engine start with the vehicle stopped for the EXHAUST FLUID EMPTY message to clear If the vehicle is driven prior to the DIC message clearing the vehicle speed will still be limited If the DI...

Страница 41: ...OR SEE OWNERS MANUAL NOW Adding fresh DEF to the system may resolve the problem depending on several factors If the DIC message persists see your dealer After 322 km 200 miles of driving without correcting the problem a DIC message 89 km h 55 mph MAX SPEED UPON RESTART will be displayed There will also be a warning light and chime The vehicle will be speed limited to 89 km h 55 mph at the next res...

Страница 42: ...for approximately 10 seconds then clears Downshifts may be automatically selected to increase engine speed which increases the effectiveness of the exhaust brake The number of downshifts selected is determined by the length of time the vehicles brakes are applied and the rate the vehicle is slowing The system delivers the correct amount of braking to assist in vehicle control The heavier the vehic...

Страница 43: ... Diesel fuel that has been mixed with engine oil or automatic transmission fluid could damage the engine and emission controls We do not test aftermarket diesel fuel additives Some additives particularly those which contain alcohol or water emulsifiers could damage the fuel system If you believe that unique circumstances call for a fuel additive to be used consult your dealer for advice If you eve...

Страница 44: ...tra Low Sulfur Diesel in the United States If there are questions about the fuel you are using contact your fuel supplier Diesel Fuel Grades For best results use No 2 D diesel fuel year round above and below freezing conditions as oil companies blend No 2 D fuel to address climate differences No 1 D diesel fuel can be used in very cold temperatures when it stays below 18 C or 0 F however it will p...

Страница 45: ...ptable to use diesel fuel containing up to 20 biodiesel B20 The diesel fuel portion of the blend must meet the same specification ASTM D975 Grades No 2 D or No 1 D S15 commonly known as Ultra Low Sulfur Diesel as other fuels used in your vehicle and the biodiesel used for making this fuel must meet the latest version of ASTM specification D6751 Pump labeling Retail pumps dispensing blends containi...

Страница 46: ...iesel containing fuels you are using contact your fuel supplier Notice Certain driving patterns are not compatible with biodiesel use It is the operator s responsibility to ensure that biodiesel in the vehicle s tank does not lead to engine fuel system or exhaust after treatment system damage We neither encourage nor discourage the use of biodiesel blends for vehicles As a renewable fuel biodiesel...

Страница 47: ...ng waxing of conventional diesel fuel and biodiesel blends However the system will not prevent all cases of plugged filters if the operating temperature is far below the temperature at which gelling or waxing of the fuel occurs cloud point Use of biodiesel blends greater than B5 5 blend should be avoided in cold temperatures Vehicles operated for extended periods of time on conventional diesel fue...

Страница 48: ...operate only at low speeds and or low accelerator positions Siphon or pump as much of the gasoline from the tank as possible preferably until the fuel gauge reads near E empty Refuel with Ultra Low Sulfur Diesel fuel Your dealer will be able to perform this procedure Operating your vehicle for a prolonged period of time on gasoline could result in engine or fuel system damage which would not be co...

Страница 49: ...better starting less noise and better vehicle performance but their use is not required Biodiesel What is biodiesel Biodiesel is a fuel produced from vegetable oils or animal fats that have been chemically modified to reduce the possibility of damage to the fuel system and engine Notice Raw vegetable oil or other unmodified bio oils or fats are not biodiesel and must not be used in your vehicle as...

Страница 50: ...s tank does not lead to engine fuel system or exhaust after treatment system damage We neither encourage nor discourage the use of biodiesel blends for vehicles As a renewable fuel biodiesel provides some environmental benefits However biodiesel has unique properties and needs to be handled differently than diesel fuel Its use presents additional risks and may not be appropriate in all situations ...

Страница 51: ...les operated for extended periods of time on conventional diesel fuel and then switched to biodiesel blends may experience premature fuel filter clogging and require more frequent fuel filter service With long term use of conventional diesel fuel gum and varnish may be deposited within the tank and fuel system These deposits while not problematic with the use of conventional diesel fuel may become...

Страница 52: ...he fuel out of the tank If something ignites the fuel a fire could start and people could be burned To help avoid this try filling the tank more slowly and fill the fuel tank only until the automatic nozzle shuts off Do not try to top it off Accidental Refueling with Gasoline If you accidentally refuel with gasoline your vehicle will run very rough will produce smoke and will have significantly re...

Страница 53: ...drain water from the fuel keep sparks flames and smoking materials away from the mixture Notice If there is water in the diesel fuel and the weather is warm or humid fungus and bacteria can grow in the fuel They can damage the fuel system and fuel operated heater FOH if equipped A diesel fuel biocide can be used to sterilize the fuel system However the fuel system may still need to be cleaned Your...

Страница 54: ...n in water drain system or fuel lines Move the vehicle to a warm location to thaw out and then drain filter system Immediately after refueling large amount of water possibly pumped into fuel tank Fuel tank purging required See your dealer for assistance Notice Driving when this warning indicator is on can damage the fuel injection system and the engine If the indicator comes on right after a refue...

Страница 55: ...his process for the secondary fuel filter 5 Remove the fuel resistant container and properly dispose of the contaminated fuel To find out how to properly dispose of contaminated diesel fuel see What to Do With Used Oil under Engine Oil Life System on page 10 10 6 Install the fuel cap 7 For pickup models start the engine and let it run for a few minutes If the engine stalls the fuel system may need...

Страница 56: ... be able to start until the fuel system is primed and the air is removed To Prime the Vehicle Pickup Models The vehicle is equipped with a priming pump which is part of the engine mounted fuel filter The priming pump is hand operated and is designed to bring fuel to the engine to eliminate any air in the fuel lines To prime the engine 1 Correct the condition that caused the loss of prime by making...

Страница 57: ...engine during the first 30 seconds 3 After completing the initial prime in Step 2 turn the ignition off then back to start and crank the engine for 15 seconds 4 If the engine does not start repeat Steps 2 and 3 until the engine starts 5 If the engine does not run after repeating Steps 2 and 3 three times turn the ignition key off for 60 seconds allowing the Electronic Control Module ECM to reset 6...

Страница 58: ...pm a little using the accelerator pedal This will help force air through the system 4 Return to Step 2 if the engine stalls and will not restart Van Models If the engine stalls and you think that you may have run out of fuel do this to restart the engine 1 If parked on a level surface add at least one gallon of fuel However if parked on a slope up to five gallons of fuel might need to be added 2 F...

Страница 59: ...emove all of the wheel liner fasteners 2 Remove only the necessary fasteners to allow the rear of the wheel liner to be lowered enough for fuel filter access 3 Unplug the water sensor wire connected to the fuel filter and unscrew the filter element 4 Remove the filter element If there is any dirt on the filter sealing surface clean it off Remove and reuse the water sensor float switch located on t...

Страница 60: ...from the filter following the procedure for draining water listed previously The vehicle s engine must be off until the end of this procedure The fuel filters are located on the driver side frame rail in front of the fuel tank To minimize fuel siphoning from the fuel tank during fuel filter replacement be sure the fuel tank is less than 3 4 full Primary Filter A 1 Apply the parking brake 2 Unplug ...

Страница 61: ...ng the Tank WARNING Fuel vapor burns violently and a fuel fire can cause bad injuries To help avoid injuries to you and others read and follow all the instructions on the fuel pump island Turn off the engine when refueling Do not smoke near fuel or when refueling the vehicle Do not use cellular phones Keep sparks flames and smoking materials away from fuel Do not leave the fuel pump unattended whe...

Страница 62: ...ll diesel fuel Do not top off or overfill your tank and wait a few seconds after you have finished pumping before you remove the nozzle Clean fuel from painted surfaces as soon as possible See Washing Your Vehicle in the Index of the owner manual When you put the fuel cap back on turn it to the right clockwise until you hear a clicking sound Make sure you fully install the cap WARNING If a fire st...

Страница 63: ...opening before operating the nozzle Contact should be maintained until the filling is complete Do not smoke while pumping fuel Do not use a cellular phone while pumping fuel Towing Trailer Towing When towing at high elevation on steep uphill grades consider the following Engine coolant at higher elevation will boil at a lower temperature than at or near sea level If the engine is turned off immedi...

Страница 64: ...Pickup Model Sierra Denali1 3 73 7 802 kg 17 200 lbs 11113 kg 24 500 lbs Pickup Model Regular Cab Long Box1 3 73 8 074 kg 17 800 lbs 11113 kg 24 500 lbs Pickup Model Extended Cab Long Box1 3 73 7 893 kg 17 400 lbs 11113 kg 24 500 lbs Pickup Model Crew Cab Long Box1 3 73 7 802 kg 17 200 lbs 11113 kg 24 500 lbs K 2500 Pickup Models 4WD Pickup Model Extended Cab Standard Box1 3 73 7 802 kg 17 200 lbs...

Страница 65: ...ar Wheels1 3 73 7 847 kg 17 300 lbs 11113 kg 24 500 lbs Dual Rear Wheels3 3 73 9 752 kg 21 500 lbs 13 245 kg 29 200 lbs C 3500 Pickup Model Crew Cab Standard Box 2WD Single Rear Wheels1 3 73 7 802 kg 17 200 lbs 11113 kg 24 500 lbs Single Rear Wheels Sierra Denali1 3 73 7 756 kg 17 100 lbs 11113 kg 24 500 lbs C 3500 Pickup Model Crew Cab Long Box 2WD Single Rear Wheels1 3 73 7 847 kg 17 300 lbs 111...

Страница 66: ...00 lbs Dual Rear Wheels4 3 73 9 662 kg 21 300 lbs 13 245 kg 29 200 lbs K 3500 Pickup Model Crew Cab Standard Box 4WD Single Rear Wheels1 3 73 7 711 kg 17 000 lbs 11113 kg 24 500 lbs Single Rear Wheels Sierra Denali1 3 73 7 620 kg 16 800 lbs 11113 kg 24 500 lbs K 3500 Pickup Model Crew Cab Long Box 4WD Single Rear Wheels1 3 73 7 620 kg 16 800 lbs 11113 kg 24 500 lbs Dual Rear Wheels4 3 73 9 571 kg ...

Страница 67: ... 3 54 4 536 kg 9 700 lbs 7 711 kg 17 000 lbs Fifth wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 1 587 kg 3 500 lbs maximum The Gross Combination Weight Rating GCWR is the total allowable weight of the completely loaded vehicle and trailer including any passengers cargo equipment and conversions The GCWR for the vehicle should not be exceeded 1 Traile...

Страница 68: ...O modes of operation include the following Preset PTO Mode Stationary operation only Variable PTO Mode Stationary and mobile operation The PTO stationary mode provides both in cab and remote controls The in cab controls are enabled as the factory preset The remote controls are disabled This factory preset configuration can be programmed to enable the remote controls and or disable the in cab PTO c...

Страница 69: ... the desired PTO operating speed For remote PTO operation Press and release the remote PTO arming switch then within five seconds move the PTO enable switch from OFF to ON open to closed The remote LED light will come on when the PTO Load is engaged The PTO remote SET switch can then be used to establish the desired PTO operating speed Additional information is available in the service manual for ...

Страница 70: ... the 1 position of the PTO switch PTO SHIFT TO PARK OR NEUTRAL Stationary only PTO SET PARK BRAKE Stationary only PTO PRESS RELEASE BRAKE Mobile only PTO RELEASE BRAKE PTO REDUCE VEHICLE SPEED PTO REDUCE ENGINE SPEED PTO DISENGAGE CRUISE CONTROL Mobile only In addition to these messages the PTO switch LED will indicate when all conditions required to engage PTO have not been met When enabling PTO ...

Страница 71: ... conditions are detected by the vehicle electronics The PTO load becomes disengaged See service manual Vehicle speed exceeds 80 km h 50 mph Engine speed exceeds the maximum allowed PTO operating speed of 3100 rpm factory setting 2100 rpm The PTO control system will attempt to limit accelerator pedal and PTO switch input as the vehicle approaches the above operational limits There are some vehicle ...

Страница 72: ...00 rpm Speed 1 Pressing the SET position of the PTO switch results in a preset speed of 1250 rpm Speed 2 Pressing the RES position of the PTO switch results in a preset speed of 1700 rpm Pressing the 0 switch position on the PTO in cab switch or moving the remote PTO enable switch to OFF results in the return of the engine speed back to normal idle The PTO load relay is also disengaged Maximum PTO...

Страница 73: ...positions R 9 SET and RES R This is the PTO switch On position To engage PTO press and release the in cab 1 switch position or press and release the remote PTO arming switch then within five seconds assert the remote enable switch to on The vehicle will increase engine speed to a factory preset engine speed 800 rpm This PTO stand by speed is not intended to be an operational PTO speed but allows t...

Страница 74: ... The PTO LED will blink slowly indicating the previous PTO set speed has been retained in memory Press and release the RES switch position to resume the previous PTO set speed The PTO set speed cannot exceed 2100 rpm TAP UP Press and release the RES position to increase the engine speed by increments of 100 rpm ACCEL Press and hold the RES position to increase the rpm by 200 rpm per second until t...

Страница 75: ...tely starting the vehicle 1 Press and release the remote start arming switch 2 Within five seconds of releasing the remote start arming switch the PTO remove enable switch must be moved from OFF to ON 3 The PTO system will raise engine rpm to standby speed and engage the PTO load Press the remote PTO SET or RES switch to elevate PTO to the desired engine operating speed Remote Engine Shutdown Cont...

Страница 76: ... Diesel Particulate Filter DPF will continue to filter the exhaust and accumulate soot The engine control system depending on the speed and load being applied by the PTO may not be able to generate enough energy or adequate heat needed to clean or regenerate the DPF Continued operation under conditions that do not allow effective regeneration or cleaning will eventually plug the DPF and result in ...

Страница 77: ...e Maximum Value PTO In cab Control ENABLED DISABLED ENABLED PTO Remote Control DISABLED DISABLED ENABLED Type of Set Switch Operation MOMENTARY MOMENTARY LATCHING Press ON then go to Set 1 Speed DISABLED DISABLED ENABLED Remote Engine Start DISABLED DISABLED ENABLED Remote Engine Shutdown DISABLED DISABLED ENABLED Load feedback DISABLED DISABLED ENABLED Engage Relay DISABLED DISABLED ENABLED Keep ...

Страница 78: ...LED DISABLED ENABLED Eng Shutdown due to Failure DISABLED DISABLED ENABLED Engine Shutdown warning DISABLED DISABLED ENABLED Set Low Fuel level for Engine Shutdown 15 0 25 Engine Run Time While PTO is Active Timer 7 Hours 4 minutes 7 hours Min PTO Engage Speed 500 RPM 500 RPM 1800 RPM Max PTO Engine Speed 1800 RPM 950 RPM 3100 RPM PTO Standby RPM 850 RPM 500 RPM Normal engine idle will override if...

Страница 79: ...0 RPM PTO Set Speed 2 1700 RPM 500 RPM PTO Set Speed 2 cannot be set below PTO Standby speed 3100 RPM Maximum Operating Speed 2100 RPM 500 RPM 3100 RPM Tap Step 100 RPM 4 RPM 500 RPM Ramp Rate 200 RPM 4 RPM 1000 RPM Maximum Vehicle Speed 129 km h 80 mph 30 km h 18 mph 129 km h 80 mph Minimum Remote Accelerator Voltage 0 25 V 0 0 V 2 5 V Maximum Remote Accelerator Voltage 4 75 V 2 5 V 5 0 V All man...

Страница 80: ...e 1 66 V 3 33 V PTO_STANDBY STANDBY SPEED SET SPEED_1 or SET SPEED_2 Remote Set Switch Transition to High Voltage 3 33 V SET_SPEED 2 STANDBY SPEED SET SPEED_1 or SET SPEED_2 If the PTO factory preset parameters do not match the settings described above then they may have already been altered in order to satisfy the requirements of the installed PTO system and body equipment See www gmupfitter com ...

Страница 81: ... Automatic Transmission Fluid 10 11 Engine Air Cleaner Filter 10 18 Cooling System 10 21 Engine Coolant 10 22 Engine Overheating 10 26 Starter Switch Check 10 27 Automatic Transmission Shift Lock Control Function Check 10 28 Ignition Transmission Lock Check 10 28 Park Brake and P Park Mechanism Check 10 28 Electrical System Engine Compartment Fuse Block 10 29 All manuals and user guides at all gui...

Страница 82: ...cessories are designed to complement and function with other systems on the vehicle Your GM dealer can accessorize the vehicle using genuine GM Accessories When you go to your GM dealer and ask for GM Accessories you will know that GM trained and supported service technicians will perform the work using genuine GM Accessories See your vehicle s Warranty booklet for more information Aftermarket Eng...

Страница 83: ...e create failure or reduce the life of the engine engine emission system transmission and drivetrain Damage failure or reduced life of the engine transmission emission system drivetrain or other vehicle components caused by aftermarket engine performance enhancement products or modifications might not be covered under the vehicle warranty All manuals and user guides at all guides com ...

Страница 84: ...ack plate 4 1 DURAMAX Diesel Engine LML LGH 2011 10 4 Vehicle Care Vehicle Checks Engine Compartment Overview United States Pickup models Shown Canada Similar All manuals and user guides at all guides com ...

Страница 85: ...luid DEF Fill Tube F Engine Air Cleaner Filter Restriction Indicator If Equipped G Engine Oil Dipstick H Engine Oil Fill Cap I Engine Fan Out of View J Automatic Transmission Dipstick K Power Steering Fluid Reservoir L Brake Fluid Reservoir M Auxiliary Battery N Underhood Fuse Block O Windshield Washer Fluid Reservoir P Remote Negative Terminal All manuals and user guides at all guides com ...

Страница 86: ...Black plate 6 1 DURAMAX Diesel Engine LML LGH 2011 10 6 Vehicle Care United States Van models Shown Canada Similar All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 87: ...e engine oil at the appropriate time See Engine Oil Life System on page 10 10 Always dispose of engine oil properly See What to Do With Used Oil Checking Engine Oil It is a good idea to check the engine oil level at each fuel fill In order to get an accurate reading the oil must be warm at normal operating temperature and the vehicle must be on level ground The engine oil dipstick handle is a yell...

Страница 88: ...hat shows the proper operating range the engine could be damaged You should drain out the excess oil or limit your driving of the vehicle and seek a service professional to remove the excess amount of oil See Engine Compartment Overview on page 10 4 for the location of the engine oil fill cap Be sure to add enough oil to put the level somewhere in the proper operating range Push the dipstick all t...

Страница 89: ...il The recommended oils with the API service symbol are all that is needed for good performance and engine protection Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty What to Do with Used Oil Used engine oil contains certain elements that can be unhealthy for your skin and could even cause cancer Do not let used oil stay on your skin f...

Страница 90: ...il and filter must be changed at least once a year and at this time the system must be reset Your dealer has trained service people who will perform this work and reset the system It is also important to check the oil regularly over the course of an oil drain interval and keep it at the proper level If the system is ever reset accidentally the oil must be changed at 5 000 km 3 000 miles since the ...

Страница 91: ...intenance on page 11 2 And be sure to use the transmission fluid listed in Recommended Fluids and Lubricants on page 11 8 How to Check Because this operation can be a little difficult the decision may be made to have this done at the dealership service department If the decision is made to perform this operation be sure to follow all the instructions here or a false reading on the dipstick could r...

Страница 92: ...the COLD CHECK band if the transmission fluid is below normal operating temperatures 1 Pull out the dipstick and wipe it with a clean rag or paper towel The transmission dipstick is located near the center of the engine compartment See Engine Compartment Overview on page 10 4 for more information on location 2 Push it back in all the way wait 3 seconds and then pull it back out again 3 Check the f...

Страница 93: ... HOT RUN band on the dipstick The width of the HOT RUN band represents approximately 1 0 liter 1 06 quart of fluid at normal operating temperature 5 If the fluid level is not within the HOT RUN band add or drain fluid as necessary to bring the fluid level to within the HOT RUN band 6 If the fluid level is in the acceptable range push the dipstick back in all the way Consistency of Readings Always ...

Страница 94: ...smission fluid may damage the vehicle and the damages may not be covered by the vehicle warranty Always use the automatic transmission fluid listed in Recommended Fluids and Lubricants on page 11 8 After adding fluid recheck the fluid level as described under How to Check When the correct fluid level is obtained push the dipstick back in all the way When to Check and Change Van Models Change the f...

Страница 95: ...F If it is colder than 10 C 50 F drive the vehicle until the engine temperature gauge moves and then remains steady for 10 minutes A cold check can be made after the vehicle has been sitting for eight hours or more with the engine off but this is used only as a reference Let the engine run at idle for five minutes if outside temperatures are 10 C 50 F or more If it is colder than 10 C 50 F the eng...

Страница 96: ... area for a hot check Be sure to keep the dipstick pointed down to get an accurate reading 3 If the fluid level is in the acceptable range push the dipstick in all the way then flip the handle down to lock the dipstick in place What Transmission Fluid to Use Allison Transmission Only Cold Operation When temperatures are very cold the transmission will prevent certain operations to protect against ...

Страница 97: ...mended Fluids and Lubricants on page 11 8 Using a funnel add fluid down the transmission dipstick tube only after checking the transmission fluid while it is hot A cold check is used only as a reference If the fluid level is low add only enough of the proper fluid to bring the level up to the HOT area for a hot check It does not take much fluid generally less than 0 5 L 1 pint Do not overfill Noti...

Страница 98: ...ary How to Inspect When the restriction indicator turns black or is in the red orange change zone replace the filter and reset the restriction indicator The air cleaner filter assembly is located on the front corner of the engine compartment on the passenger s side of the vehicle To inspect and replace the filter and reset the restriction indicator A Clamp B Cover Electrical Connector C Restrictio...

Страница 99: ... top button on the indicator See Scheduled Maintenance on page 11 2 to determine when to replace the engine air cleaner filter WARNING 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 helps to stop flames if the engine backfires Use caution when working on the engine and do not drive with the air cleaner filter off...

Страница 100: ...the filter sealing surface and the housing 4 Install the new engine air cleaner filter 5 Reinstall the cover and tighten the screws 6 Reset the air cleaner filter restriction indicator if equipped by pressing the top button on the indicator See Scheduled Maintenance on page 11 2 to determine when to replace the engine air cleaner filter WARNING Operating the engine with the air cleaner filter off ...

Страница 101: ... not touch them If you do you can be burned Do not run the engine if there is a leak If you run the engine it could lose all coolant That could cause an engine fire and you could be burned Get any leak fixed before you drive the vehicle Notice Using coolant other than DEX COOL can cause premature engine heater core or radiator corrosion In addition the engine coolant could require changing sooner ...

Страница 102: ...emature engine heater core radiator and fuel operated heater van models only corrosion In addition the engine coolant may require changing sooner at 50 000 km 30 000 mi or 24 months whichever occurs first Any repairs would not be covered by the vehicle warranty Always use DEX COOL silicate free coolant in the vehicle What to Use Use a 50 50 mixture of clean drinkable water and DEX COOL coolant whi...

Страница 103: ... mixture of the engine coolant listed in this manual for the cooling system See Recommended Fluids and Lubricants on page 11 8 for more information Checking Coolant Pickup Models The coolant surge tank is located in the engine compartment on the passenger side of the vehicle See Engine Compartment Overview on page 10 4 for more information on its location WARNING Turning the surge tank pressure ca...

Страница 104: ...nd radiator are hot The vehicle must be on a level surface When the engine is cold the coolant level should be at the COLD FILL mark Adding Coolant Pickup and Van Models If more coolant is needed add the proper DEX COOL coolant mixture at the surge tank but be careful not to spill it WARNING You can be burned if you spill coolant on hot engine parts Coolant contains ethylene glycol and it will bur...

Страница 105: ... pressure cap slowly and remove it 3 Fill the coolant surge tank with the proper mixture as follows To the MAX mark on the pickup To the FULL COLD mark on the van 4 With the coolant surge tank pressure cap off start the engine and let it run until the engine coolant temperature gauge indicates approximately 90 C 195 F By this time the coolant level inside the coolant surge tank may be lower If the...

Страница 106: ...if it overheats and get out of the vehicle until the engine is cool Notice If the engine catches fire because of being driven with no coolant your vehicle can be badly damaged The costly repairs would not be covered by the vehicle warranty If No Steam Is Coming from the Engine Compartment The ENGINE OVERHEATED STOP ENGINE or ENGINE OVERHEATED IDLE ENGINE Driver Information Center DIC message along...

Страница 107: ...ed with an engine driven cooling fan push down the accelerator until the engine speed is about twice as fast as normal idle speed for at least five minutes while the vehicle is parked If the warning is still there turn off the engine and get everyone out of the vehicle until it cools down The decision may be made not to lift the hood but to get service help right away Starter Switch Check WARNING ...

Страница 108: ...egular brake try to move the shift lever out of P Park with normal effort If the shift lever moves out of P Park contact your dealer for service Ignition Transmission Lock Check While parked and with the parking brake set try to turn the ignition to LOCK OFF in each shift lever position The ignition should turn to LOCK OFF only when the shift lever is in P Park The ignition key should come out onl...

Страница 109: ...icle is held by the parking brake only To check the P Park mechanism s holding ability With the engine running shift to P Park Then release the parking brake followed by the regular brake Contact your dealer if service is required Electrical System Engine Compartment Fuse Block Pickup Models The underhood fuse block is located in the engine compartment on the driver side of the vehicle Lift the co...

Страница 110: ...tery 8 Anti lock Brakes System 2 Fuses Usage 9 Trailer Back up Lamps 10 Left Low Beam Headlamp 11 Engine Control Module Battery 12 Diesel Electronic Control Module 13 Transmission Ignition 1 14 Vehicle Back up Lamps 15 Right Low Beam Headlamp 16 Air Conditioning Compressor 17 Electronic Control Module Throttle Control 18 Fuel Pump Fuses Usage 19 Integrated Trailer Brake Control 20 Headlamp Washer ...

Страница 111: ...f 45 Auxiliary Climate Control Ignition Compass and Temperature Mirror 46 Center High Mounted Stoplamp CHMSL 47 Rear Defogger 48 Heated Mirrors 49 SEO B1 Upfitter Usage Battery 50 Cigarette Lighter Auxiliary Power Outlet 51 Automatic Level Control Compressor Relay SEO Upfitter Usage Fuses Usage 52 Climate Controls Ignition 53 Engine Control Module Secondary Fuel Pump Ignition 68 Fan J Case Fuses U...

Страница 112: ...r 64 Mid Bussed Electrical Center 1 65 Climate Control Blower 66 Tailgate Open Close Assist 67 Left Bussed Electrical Center 2 Relays Usage FAN RLY Fan Relay HDLP LO HID Low Beam Headlamp FOG LAMP Front Fog Lamps A C CMPRSR Air Conditioning Compressor STRTR Starter PWR TRN Powertrain FUEL PMP Fuel Pump PRK LAMP Parking Lamps REAR DEFOG Rear Defogger RUN CRNK Switched Power All manuals and user gui...

Страница 113: ...nance helps to keep the vehicle in good working condition improves fuel economy and reduces vehicle emissions for better air quality Because of all the different ways people use vehicles maintenance needs vary The vehicle might need more frequent checks and services Please read the information under Scheduled Maintenance To keep the vehicle in good condition see your dealer The maintenance schedul...

Страница 114: ...tenance Replacement Parts on page 11 11 We recommend the use of genuine parts from your dealer Rotation of New Tires To maintain ride handling and performance of the vehicle it is important that the first rotation service for new tires be performed Tires should be rotated every 12 000 km 7 500 miles See Tire Inspection and Rotation in the owner manual Scheduled Maintenance When the Change Engine O...

Страница 115: ...er blade cleaning if contaminated See Exterior Care in the owner manual Worn or damaged wiper blade replacement See Wiper Blade Replacement in the owner manual Tire inflation pressures check See Tire Pressure in the owner manual Tire wear inspection See Tire Inspection in the owner manual Rotate tires if necessary See Tire Rotation in the owner manual Fluids visual leak check or every 12 months wh...

Страница 116: ... and not stick or squeak Restraint system component check See Safety System Check in the owner manual Fuel system inspection for damage or leaks Exhaust system including DPF pressure lines and nearby heat shields inspection for loose or damaged components Check to be sure that mud or dirt is not caked on the exhaust system especially in the area of the diesel particulate filter and tailpipe Clean ...

Страница 117: ...els Check dual wheel nut torque For proper torque see Capacities and Specifications in the owner manual Every 12 000 km 7 500 Miles Rotate tires Tires should be rotated every 12 000 km 7 500 miles See Tire Rotation in the owner manual At Each Fuel Stop Engine oil level check See Engine Oil on page 10 7 Engine coolant level check See Engine Coolant on page 10 22 Windshield washer fluid level check ...

Страница 118: ... sure vent hose is unobstructed clear and free of debris During any maintenance if a power washer is used to clean mud and dirt from the underbody care should be taken to not directly spray the transfer case output seals High pressure water can overcome the seals and contaminate the transfer case fluid Contaminated fluid will decrease the life of the transfer case and should be replaced First Engi...

Страница 119: ...n fluid and filter change normal service See Automatic Transmission Fluid on page 10 11 Four wheel drive pickup models only Transfer case fluid change normal service Check vent hose at transfer case for kinks and proper installation Check to be sure vent hose is unobstructed clear and free of debris During any maintenance if a power washer is used to clean mud and dirt from the underbody care shou...

Страница 120: ...esel engine see Engine Oil on page 10 7 Engine Coolant 50 50 mixture of clean drinkable water and use only DEX COOL Coolant See Engine Coolant on page 10 22 Hydraulic Brake System DOT 3 Hydraulic Brake Fluid GM Part No U S 12377967 in Canada 89021320 Diesel Exhaust Aftertreatment System Diesel Exhaust Fluid GM Part No U S 88862659 in Canada 88862660 or diesel exhaust fluid that meets ISO 22241 1 o...

Страница 121: ...in Canada 992723 or lubricant meeting requirements of NLGI 2 Category LB or GC LB Chassis Lubrication Chassis Lubricant GM Part No U S 12377985 in Canada 88901242 or lubricant meeting requirements of NLGI 2 Category LB or GC LB Van Models Front Wheel Bearings Wheel bearing lubricant meeting requirements of NLGI 2 Category GC or GC LB GM Part No U S 1051344 in Canada 993037 Front and Rear Axle SAE ...

Страница 122: ...46241 in Canada 10953474 Pickup Models Body Door Hinge Pins Tailgate Hinge and Linkage Folding Seats and Fuel Door Hinge Multi Purpose Lubricant Superlube GM Part No U S 12346241 in Canada 10953474 Pickup Models Tailgate Handle Pivot Points Hinges Latch Bolt and Linkage Multi Purpose Lubricant Superlube GM Part No U S 12346241 in Canada 10953474 Weatherstrip Conditioning Weatherstrip Lubricant GM ...

Страница 123: ...er Part GM Part Number ACDelco Part Number Engine Air Cleaner Filter Pickup Models 25945274 A3141C Van Models 20815924 A3140C Engine Fuel Filter Pickup Models 12633243 TP3012 Van Models Primary and Secondary Filter Kit 19256348 TP3013 Engine Oil Filter 88917036 PF2232 Use only the specified filters Racor service kit includes primary filter secondary filter and o rings All manuals and user guides a...

Страница 124: ...ter the scheduled services are performed record the date odometer reading who performed the service and the type of services performed in the boxes provided Retain all maintenance receipts Maintenance Record Date Odometer Reading Serviced By Services Performed All manuals and user guides at all guides com ...

Страница 125: ...ack plate 13 1 DURAMAX Diesel Engine LML LGH 2011 Service and Maintenance 11 13 Maintenance Record cont d Date Odometer Reading Serviced By Services Performed All manuals and user guides at all guides com ...

Страница 126: ... 1 DURAMAX Diesel Engine LML LGH 2011 11 14 Service and Maintenance Maintenance Record cont d Date Odometer Reading Serviced By Services Performed All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 127: ...k plate 1 1 DURAMAX Diesel Engine LML LGH 2011 Technical Data 12 1 Technical Data Vehicle Data Capacities and Specifications 12 2 Engine Drive Belt Routing 12 4 All manuals and user guides at all guides com ...

Страница 128: ...mation Application Capacities Metric English Cooling System Pickup Models 27 0 L 28 5 qt Cooling System Van Models Front Heat or AC Only 20 0 L 21 2 qt Front Heat or AC Plus Fuel Operated Heater FOH 20 9 L 22 1 qt Front and Rear Heat or AC Only 21 5 L 22 7 qt Front and Rear Heat or AC Plus Fuel Operated Heater FOH 22 4 L 23 7 qt Diesel Exhaust Fluid DEF Tank Pickup Models 20 1 L 5 3 gal Van Models...

Страница 129: ...d Transmission Allison 7 0 L 7 4 qt Do not overfill the DEF tank See Diesel Exhaust Fluid on page 9 12 All quantities are approximate When adding be sure to fill to the appropriate level as recommended in this manual Recheck fluid level after filling Engine Specifications Engine VIN Code Type 6 6L V8 Turbo Diesel LGH Engine L V8 6 6L V8 Turbo Diesel LML Engine 8 V8 All manuals and user guides at a...

Страница 130: ...Black plate 4 1 DURAMAX Diesel Engine LML LGH 2011 12 4 Technical Data Engine Drive Belt Routing All manuals and user guides at all guides com ...

Страница 131: ...l Starting Your Engine 9 1 Diesel Exhaust Fluid 1 5 9 12 Diesel Exhaust Fluid DEF Warning Light 5 9 Diesel Exhaust Fluid Messages 5 12 Diesel Particulate Filter 9 10 Diesel Particulate Filter Messages 5 12 Driver Information Center DIC 5 10 E Electrical System Engine Compartment Fuse Block 10 29 Engine Air Cleaner Filter 10 18 Compartment Overview 10 4 Coolant 10 22 Cooling System 10 21 Cooling Sy...

Страница 132: ... U S 9 18 Fuel for Diesel Engines 9 17 Fuses Engine Compartment Fuse Block 10 29 G Gauges Engine Oil Pressure 5 5 Fuel 5 4 General Information Service and Maintenance 11 1 H Heater Fuel Operated 9 10 I Ignition Transmission Lock Check 10 28 Instrument Cluster 5 2 Introduction ii L Lamps Malfunction Indicator 5 6 Lights Wait to Start 5 9 M Maintenance Records 11 12 Maintenance Schedule Recommended ...

Страница 133: ... 12 Replacement Parts Maintenance 11 11 Routing Engine Drive Belt 12 4 Running Out of Fuel 9 32 S Scheduled Maintenance 11 2 Service Accessories and Modifications 10 2 Maintenance Records 11 12 Maintenance General Information 11 1 Vehicle Messages 5 13 Shift Lock Control Function Check Automatic Transmission 10 28 Specifications and Capacities 12 2 Starter Switch Check 10 27 Starting the Vehicle M...

Страница 134: ...s ii Messages 5 11 Personalization 5 15 Speed Messages 5 14 W Wait to Start Light 5 9 Warning Light Diesel Exhaust Fluid DEF 5 9 Water in Fuel 9 27 What Fuel to Use in Canada and Mexico 9 22 What Fuel to Use in the U S 9 18 Winter Cover 9 5 All manuals and user guides at all guides com ...

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