GMC Duramax Diesel 2018 Owner'S Manual Supplement Download Page 131

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Chevrolet/GMC Duramax Diesel Supplement (GMNA-Localizing-U.S./Canada-

11354421) - 2018 - CRC - 5/9/17

130

Technical Data

Vehicle Data

Capacities and Specifications

The following approximate capacities are given in metric and English conversions. See

Recommended Fluids and

Lubricants

125

Application

Capacities

Metric

English

Cooling System (Pickup Models)

2.8L 4-Cylinder Engine (LWN)

10.5 L

11.1 qt

6.6L 8-Cylinder Engine (L5P)

29.7 L

31.4 qt

Cooling System (2.8L 4-Cylinder Van Models)

Front Heater Core without Fuel Operated Heater (FOH)

13.7 L

14.4 qt

Front Heater Core with Fuel Operated Heater (FOH)

13.9 L

14.7 qt

Front and Rear Heater Core without Fuel Operated
Heater (FOH)

15.8 L

16.7 qt

Front and Rear Heater Core with Fuel Operated
Heater (FOH)

16.0 L

16.9 qt

Diesel Exhaust Fluid (DEF) Tank*

2.8L 4-Cylinder Pickup Models (LWN)

20.4 L

5.4 gal

6.6L 8-Cylinder Pickup Models (L5P)

26.5 L

7.0 gal

2.8L 4-Cylinder Van Models (LWN)

21.0 L

5.5 gal

Summary of Contents for Duramax Diesel 2018

Page 1: ... Manual Supplement 2018 Duramax Diesel C M Y CM MY CY CMY K 18_MUL_Duramax_Diesel_Supplement_COV_en_US_23380346A_2017MAY11 ai 1 5 8 2017 8 53 21 AM 18_MUL_Duramax_Diesel_Supplement_COV_en_US_23380346A_2017MAY11 ai 1 5 8 2017 8 53 21 AM ...

Page 2: ...sel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 Contents Introduction 2 In Brief 5 Instruments and Controls 9 Driving and Operating 24 Vehicle Care 83 Service and Maintenance 119 Technical Data 129 Index 133 ...

Page 3: ...ons features applications that may not be available in your region or changes subsequent to the printing of this owner s manual Refer to the purchase documentation relating to your specific vehicle to confirm the features 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 ...

Page 4: ...ique components of the vehicle It does not explain everything you need to know about the vehicle Read this supplement along with the owner s manual to learn about the vehicle s features and controls Index A good place to look for what you need is the Index in the back of this supplement It is an alphabetical list of what is in the supplement and the page number where you will find it ...

Page 5: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 4 Introduction 2 NOTES ...

Page 6: ... lower Torque converter clutch operation 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 0 125 and Automatic Transmission Fluid 0 94 Adaptive Shift Controls 8 Cylinder Pickup ...

Page 7: ...manual Diesel Particulate Filter The Duramax engine is equipped with a Diesel Particulate Filter DPF that will filter or trap particulates The DPF is under the vehicle in the exhaust system Depending on a number of factors monitored 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 t...

Page 8: ...amaged by using fuel with high sulfur levels Use only fuel that is dispensed from pumps bearing the ULSD label Do Not Use Low Sulfur Diesel Fuel LSD Do not use fuel that is dispensed from pumps bearing the LSD label Do Not Use Non Highway Fuel Fuel labeled as off road or non highway is typically very high in sulfur content and will damage the emission control system Non highway fuel is not intende...

Page 9: ...t you in contacting a GM dealer See Recommended Fluids and Lubricants 0 125 As the DEF tank becomes low on fluid warnings begin with approximately 1 600 km 1 000 mi of remaining range These warnings will increase as the tank becomes empty Once the tank is empty the vehicle speed will be limited If there is an issue with the quality of the fluid or the exhaust fluid system warnings will be displaye...

Page 10: ...rs Instrument Cluster 10 Fuel Gauge 16 Engine Oil Pressure Gauge 17 Malfunction Indicator Lamp Check Engine Light 18 Wait to Start Light 20 Diesel Exhaust Fluid DEF Warning Light 20 Power Take Off Light Chassis Cab Only 21 Information Displays Driver Information Center DIC 21 Vehicle Personalization Vehicle Personalization Pickup Models 22 Vehicle Personalization Van Models 23 ...

Page 11: ...ramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 10 Instruments and Controls Warning Lights Gauges and Indicators Instrument Cluster English Base Level 4 Cylinder Pickup Shown Metric Similar ...

Page 12: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 Instruments and Controls 11 English Uplevel 4 Cylinder Pickup Shown Metric Similar ...

Page 13: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 12 Instruments and Controls English Base Level 8 Cylinder Pickup Shown Metric Similar ...

Page 14: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 Instruments and Controls 13 English Uplevel 8 Cylinder Pickup Shown Metric Similar ...

Page 15: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 14 Instruments and Controls English 8 Cylinder Denali Pickup Shown Metric Similar ...

Page 16: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 Instruments and Controls 15 English Van Shown Metric Similar ...

Page 17: ... and Controls See the owner s manual for warning lights and gauges not listed in this supplement Fuel Gauge Metric Base Level 4 Cylinder Pickup Shown Uplevel Similar English Base Level 4 Cylinder Pickup Shown Uplevel Similar Metric 8 Cylinder Pickup Models English 8 Cylinder Pickup Models Metric Van Models ...

Page 18: ...ion the fuel pump shuts off before the gauge reads F Full It takes a little more or less fuel to fill up than the fuel gauge indicated For example the gauge 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 The gauge moves a little while turning a corner or speeding up The gauge does not go back to E Empty when the i...

Page 19: ...re and oil viscosity If readings are outside the normal operating range the low oil pressure message may display on the Driver Information Center DIC or for vehicles without a DIC the oil pressure light will come on If the oil pressure message or light comes on check the oil level immediately Do not operate the engine with the oil pressure warning light on or an ENGINE OIL LOW ADD OIL message disp...

Page 20: ... also affect the vehicle s ability to pass an Emissions Inspection Maintenance test See Accessories and Modifications 0 83 When the light is on a malfunction has been detected Diagnosis and service may be required Poor fuel quality can cause inefficient engine operation and poor driveability which may go away once the engine is warmed up If this occurs change the fuel brand It may require at least...

Page 21: ...le will not pass or cannot be made ready for the test Wait to Start Light This light comes on briefly while starting the engine as a check to show the light is working If the wait to start light comes on the glow plug system is required and operating Wait until the light turns off before starting the engine This light may not come on in warm temperatures The fast warm up glow plug system makes the...

Page 22: ...l Exhaust Fluid 0 37 Fuel Filter Life Remaining This display shows an estimate of the fuel filter s remaining useful life If 90 Fuel Filter Life Remaining is displayed it means 90 of the current fuel filter life remains The fuel filter life system will alert when to change the fuel filter on a schedule consistent with your driving conditions When the remaining fuel filter life is low the CHANGE FU...

Page 23: ...n the MENU knob to scroll to the desired menu then press the MENU knob If equipped these features may be selected using the infotainment display Vehicle Select and the following may display Climate and Air Quality Power Take Off PTO Climate and Air Quality Select and the following may display Elevated Idle Elevated Idle This allows the feature to be turned on and off See Elevated Idle in Starting ...

Page 24: ...ing PTO SHUTDOWN TIME This feature is available if the vehicle is configured for Stationary Preset or Stationary Variable PTO and allows the selection of the PTO shutdown time Turn the MENU knob to the desired PTO Shutdown Time setting Press the MENU knob to select the desired setting Vehicle Personalization Van Models This vehicle may have customization capabilities that allow you to program cert...

Page 25: ...da 46 Biodiesel 47 Cold Weather Operation 49 Water in Fuel 49 Running Out of Fuel 53 Fuel Filter Replacement 54 Filling the Tank 55 Filling a Portable Fuel Container 57 Trailer Towing Trailer Towing 58 Conversions and Add Ons Power Take Off PTO 65 Starting and Operating Starting the Diesel Engine The diesel engine starts differently than a gasoline engine Caution If the steering wheel is turned un...

Page 26: ... seconds of cranking turn the ignition switch to LOCK OFF Wait one minute for the cranking motor to cool then try the same steps again If you are trying to start the engine after you have run out of fuel follow the steps in Running Out of Fuel 0 53 When the engine is cold let it run for a few minutes before driving This lets oil pressure build up The engine will sound louder when it is cold For tu...

Page 27: ...s ether in the air intake They could damage the engine which may not be covered by the vehicle warranty They could also cause a fire which could cause serious personal injury Engine Idle Variations Under certain conditions the engine idle speed can vary or be elevated Change in idle speed is normal and does not indicate a problem Normal conditions that can raise idle speed are low voltage DPF rege...

Page 28: ...en the following conditions are met The parking 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 Set switch is pressed and released for Preset Fast Idle Speed 1200 rpm Fast Idle control will be disabled when one or more of the following conditions occur The cruise control Set switch is pressed and released See Cruise Control in the ...

Page 29: ... vehicle may overheat if the radiator is covered while towing Do not use the winter cover if a snow plow is mounted on the truck Do not cover the opening in the front bumper Do not modify the cover The winter cover does not cover some sections of the front of the vehicle to provide enough airflow When the winter cover is used the outside air temperature display may not function properly Keep the u...

Page 30: ...S Canada 11354421 2018 CRC 5 9 17 Driving and Operating 29 Installation Chevrolet Pickup 1 The white label must be at the top and back of the cover 2 Starting in the middle attach fastening points as illustrated 3 To remove reverse the steps listed previously ...

Page 31: ... 30 Driving and Operating Installation GMC Pickup 1 The white label must be at the top and back of the cover 2 Starting in the middle attach fastening points as illustrated 3 To remove reverse the steps listed previously Installation Van Models 1 Open the hood and secure it with the prop rod ...

Page 32: ...verse the steps listed previously Engine Heater Warning Do not plug in the engine block heater while the vehicle is parked in a garage or under a carport Property damage or personal injury may result Always park the vehicle in a clear open area away from buildings or structures If equipped the engine heater can provide easier starting in cold weather conditions at or below 18 C 0 F The engine heat...

Page 33: ...ater cord and connector ends Check the heater cord for damage If it is damaged do not use it See your dealer for a replacement Inspect the cord for damage yearly 4 Plug it into a normal grounded 110 volt AC outlet Warning Improper use of the heater cord or an extension cord can damage the cord and may result in overheating and fire Plug the cord into a three prong electrical utility receptacle tha...

Page 34: ...r should remain plugged in depends on the outside temperature You may wish to use the coolant heater to improve ease of starting at temperatures between 18 C 0 F and 29 C 20 F Keep the coolant heater plugged in for a minimum of four hours At temperatures below 29 C 20 F the coolant heater should remain plugged in for at least eight hours Be sure to store the cord before starting the engine See Fue...

Page 35: ...t not be altered Inspect regularly and clean any mud or dirt from the exhaust cooler especially where the exhaust cooler connects to the tailpipe and the openings where fresh air enters the cooler The DPF will clean itself as part of normal operation Several factors including fuel consumed hours of engine operation and miles driven are monitored by the Engine Control Module ECM The self cleaning o...

Page 36: ...exhaust filter is not cleaned as required the malfunction indicator lamp and the ENGINE POWER IS REDUCED message will come on and dealer service is necessary See Malfunction Indicator Lamp Check Engine Light 0 18 Vehicles with the DPF have specific fuel and engine oil requirements See What Fuel to Use in the U S 0 46 and Engine Oil 0 90 Extended idling in P Park can cause exhaust parts and gases t...

Page 37: ...nd exhaust gases get very hot during a manual regeneration Things that burn could touch hot exhaust parts under the vehicle and may catch fire You or others could be burned Do not leave the vehicle unattended during a manual regeneration Before starting the manual regeneration make sure all of the following safety conditions are met The vehicle is parked on level ground away from any flammable mat...

Page 38: ...engine will return to normal idle but exhaust components will remain hot for several minutes Do not move the vehicle until the exhaust has had time to cool Manual regeneration can be canceled at any time by pressing the brake pedal or turning the engine off Unusual noises may be heard if regeneration is interrupted Diesel Exhaust Fluid Warning Diesel Exhaust Fluid DEF is corrosive Do not allow it ...

Page 39: ...tem requiring costly repairs that will not be covered by the vehicle warranty When adding fluid it is recommended to fill the DEF tank For DEF tank capacity see Capacities and Specifications 0 130 Do not overfill the DEF tank When fluid reaches the top of the fill pipe stop filling If you spill DEF on the vehicle while filling the tank rinse the area with water and wipe the surface with a damp clo...

Page 40: ...ing the speed limitation will be removed gradually If DEF is added under freezing conditions additional time may be required to remove speed limitations and may require less fluid to fill the DEF tank The following actions describe strategies required by the U S Environmental Protection Agency EPA and the California Air Resource Board CARB The DEF messages relate to these strategies The EXHAUST FL...

Page 41: ...O 89 KM H 55 MPH MAX SPEED displays A flashing warning light and a chime also come on Vehicle speed will be reduced to a maximum speed limit of 89 km h 55 mph After the transition to 89 km h 55 mph is complete the DIC message EXHAUST FLUID EMPTY REFILL NOW SPEED LIMITED TO 89 KM H 55 MPH 120 KM 75 MI UNTIL 8 KM H 5 MPH MAX SPEED displays The displayed mileage will decrease as driving continues A f...

Page 42: ...omplete the DIC message displays EXHAUST FLUID QUALITY POOR SEE OWNERS MANUAL NOW SPEED LIMITED TO 105 KM H 65 MPH 120 KM 75 MI UNTIL 89 KM H 55 MPH MAX SPEED For emergency pickups with RPO ANM EXHAUST FLUID QUALITY POOR SEE OWNERS MANUAL NOW SPEED LIMITED TO 158 KM H 98 MPH MAX SPEED The displayed mileage will decrease as driving continues A warning light and a chime also come on When the mileage...

Page 43: ...NUAL NOW TRANSITIONING TO 105 KM H 65 MPH MAX SPEED displays A warning light and a chime also come on Vehicle speed will be reduced to a maximum speed limit of 105 km h 65 mph After the transition to 105 km h 65 mph is complete a DIC message displays SERVICE EXHAUST FLUID SYSTEM SEE OWNERS MANUAL NOW SPEED LIMITED TO 105 KM H 65 MPH 120 KM 75 MI UNTIL 89 KM H 55 MPH MAX SPEED For emergency pickups...

Page 44: ...es this message will clear itself indicating that the emission system was able to correct the condition If the DIC message persists see your dealer or additional DIC messages may display When the mileage countdown is zero the DIC message SERVICE EMISSION SYSTEM SEE OWNERS MANUAL NOW TRANSITIONING TO 105 KM H 65 MPH MAX SPEED displays A chime also comes on Vehicle speed will be reduced to a maximum...

Page 45: ...ntrol See Cruise Control in the owner manual Automatic downshifts will not occur if the vehicle is in Range Selection Mode See Manual Mode in the owner manual The exhaust brake only activates when the transmission torque converter is locked This can vary based on vehicle speed gear and load To activate the system press the switch on the center stack 8 Cylinder Pickups For 8 cylinder pickups use th...

Page 46: ...diesel and biodiesel blends must meet all the requirements as defined in the most current versions of the local fuel standards See the recommended fuels under What Fuel to Use in the U S 0 46 and What Fuel to Use in Canada 0 46 Caution Engine damage may occur if recommended fuels are not used which may void the vehicle warranty Some improper fuels are Diesel fuel with the addition of gasoline Cont...

Page 47: ...rine locomotive or boiler distillate fuel since it may contain higher sulfur levels Diesel Fuel Grades For best results use No 2 D diesel fuel year round because it is blended for seasonal temperature differences both above and below freezing conditions No 1 D diesel also meeting ASTM International D975 fuel can be used in very cold temperatures below 18 C or 0 F however it will reduce power and f...

Page 48: ... less noise Biodiesel Biodiesel is a renewable fuel produced from vegetable oils or animal fats that have been chemically modified to make it compatible with diesel fuel Caution Do not use home made biodiesel or home test kits because the quality cannot be verified by approved scientific methods Do not use raw vegetable oil or other unmodified bio oils fats or blends of vegetable oil with diesel T...

Page 49: ...ters and degraded vehicle performance The vehicle is equipped with a fuel heating system to provide a level of protection against filter plugging from gelling or waxing of conventional diesel fuel and biodiesel blends If the operating temperature is far below the temperature at which gelling or waxing of the fuel occurs the system will not prevent all cases of filter plugging If the vehicle experi...

Page 50: ... and allow the filter to warm up The fuel filter may need to be replaced See Fuel Filter Replacement 0 54 At temperatures below 0 C 32 F it is recommended to avoid using biodiesel blends above 5 blend This blend may cause fuel filter plugging system gelling and freezing that may affect vehicle starting You may need to turn the ignition on and off a few times before the vehicle will start Also idle...

Page 51: ...e of the appropriate solution Continued Caution Continued If the fuel tank needs to be purged to remove water see your dealer or a qualified technician Improper purging can damage the fuel system and block the FOH Water in Fuel Troubleshooting If the WATER IN FUEL SERVICE REQUIRED message comes on Problem Recommended Action Message displays but goes off during the ignition cycle The fuel filter is...

Page 52: ...en fuel tank purging is required See your dealer If the message displays and the engine stalls or runs rough do not drive until the water contaminated fuel is drained Caution Driving with this message on can damage the fuel injection system and the engine If the message comes on right after a refuel water was pumped into the fuel tank Turn off the engine and drain the water immediately Removing Wa...

Page 53: ... to work properly the fuel lines must be full of fuel If air gets in the fuel lines need to be primed before operating the vehicle and the fuel operated heater FOH If air is present the following may have happened The vehicle ran out of fuel The fuel filter was removed The fuel lines were removed or disconnected The fuel filter water drain valve was opened while the engine was running The FOH pump...

Page 54: ...uel Up to 18 9 L 5 gal may be needed if parked on a slope 2 Follow the fuel priming procedure earlier in this section to prime the fuel filter 3 Turn the ignition key to START for 10 to 15 seconds at a time until the engine starts If the engine tries to run but does not run smoothly increase the rpm slightly by using the accelerator pedal This will help force air through the system 4 Return to Ste...

Page 55: ... cap by turning it counterclockwise 4 Remove the filter element If there is any dirt on the filter sealing surface clean it off 5 Install the new filter element and o ring 6 Reinstall and tighten the filter cap to the housing 7 Use the fuel filter priming procedure to prime the fuel filter See Fuel Priming in Water in Fuel 0 49 8 Start the engine and let it idle for five minutes Check the fuel fil...

Page 56: ...to the engine This could cause engine damage Keep the fuel filter covered with a clean cloth when replacing 4 Remove both filter elements If there is any dirt on the filter sealing surface clean it off 5 Install the new filter elements and tighten both caps 6 Use the fuel filter priming procedure earlier in this section to prime the fuel filter 7 Start the engine and let it idle for five minutes C...

Page 57: ...id cap is also behind the fuel door Do not remove both caps at the same time For models with dual fuel tanks the fuel gauge shows an average of both tanks The rear tank is emptied first When refueling refuel the front tank first then add fuel to the rear tank To remove the fuel cap turn it slowly counterclockwise Warning Overfilling the fuel tank by more than three clicks of a standard fill nozzle...

Page 58: ... the fuel tank and emissions system Accidental Refueling with Gasoline Caution If the vehicle is accidentally refueled with gasoline do not continue driving the vehicle except to get to a location where it can be stopped safely Driving the vehicle will damage the fuel system Have the vehicle towed to a qualified technician to have the gasoline removed from the tank and fuel system Flush the fuel s...

Page 59: ... turned off immediately after towing at high elevation on steep uphill grades the vehicle may show signs similar to engine overheating To avoid this let the engine run while parked preferably on level ground with the transmission in P Park and the parking brake applied for at least five minutes before turning the engine off If the overheat warning comes on see Engine Overheating 0 105 Use the foll...

Page 60: ...73 7 121 kg 15 700 lb 11 476 kg 25 300 lb Pickup Model Crew Cab Long Box 2 3 73 6 713 kg 14 800 lb 11 476 kg 25 300 lb K 2500 Pickup Models 4WD Pickup Model Double Cab Standard Box 1 3 73 6 532 kg 14 400 lb 11 476 kg 25 300 lb Pickup Model Crew Cab Standard Box 1 3 73 6 123 kg 13 500 lb 11 476 kg 25 300 lb Pickup Model Regular Cab Long Box 2 3 73 7 212 kg 15 900 lb 11 476 kg 25 300 lb Pickup Model...

Page 61: ...kg 23 100 lb 14 197 kg 31 300 lb K 3500 Pickup Model Regular Cab Long Box 4WD Single Rear Wheels 2 3 73 7 983 kg 17 600 lb 11 476 kg 25 300 lb Dual Rear Wheels 3 3 73 10 569 kg 23 300 lb 14 197 kg 31 300 lb K 3500 Pickup Model Double Cab Long Box 4WD Single Rear Wheels 2 3 73 7 802 kg 17 200 lb 11 476 kg 25 300 lb Dual Rear Wheels 3 3 73 10 387 kg 22 900 lb 14 197 kg 31 300 lb K 3500 Pickup Model ...

Page 62: ...h conventional hitch 4 Trailer rating limited to 6 804 kg 15 000 lb with conventional hitch 5 For chassis cab and pickup box delete vehicles choose an appropriate hitch and load the truck and trailer within the limits of GCWR GVWR and RGAWR C K 3600 Series Chassis Cab Vehicle Axle Ratio Max Trailer Wt 2 GCWR C K 3600 Chassis Cab 2WD 4WD All 3 73 1 14 197 kg 31 300 lb The Gross Combination Weight R...

Page 63: ...92 kg 7 700 lb 5 761 kg 12 700 lb Short Wheelbase Crew Cab 3 42 3 447 kg 7 600 lb 5 761 kg 12 700 lb Colorado Pickup Long Wheelbase Crew Cab 3 42 3 447 kg 7 600 lb 5 761 kg 12 700 lb Canyon Pickup Long Wheelbase Crew Cab 3 42 3 425 kg 7 550 lb 5 761 kg 12 700 lb Colorado ZR2 Models 4WD All 3 42 2 268 kg 5 000 lb 4 853 kg 10 700 lb The Gross Combination Weight Rating GCWR is the total allowable wei...

Page 64: ...ross 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 For Full Box Vans choose an appropriate hitch and load the truck and trailer within the limits of GCWR GVWR and RGAWR See Trailer Towing in the owner manual for kingpin weight and tr...

Page 65: ...owable tongue weight for the vehicle Choose the shortest hitch extension that will position the hitch ball closest to the vehicle This will help reduce the effect of trailer tongue weight on the rear axle Trailer rating may be limited by the vehicle s ability to carry tongue weight Tongue or kingpin weight cannot cause the vehicle to exceed the GVWR Gross Vehicle Weight Rating or the RGAWR Rear Gr...

Page 66: ...o CO can cause unconsciousness or even death Never operate PTO in an enclosed area such as a garage or building that has no fresh air ventilation See Engine Exhaust in the owner manual Caution If the key is in the ignition during Remote PTO operation the vehicle can be shifted out of P Park Even though PTO will be disengaged depending on PTO Upfitter application personal injury or property damage ...

Page 67: ...nd Remote PTO modes provide for engine shutdown due to critical engine conditions as well as a timed engine shutdown feature Preset PTO Preset Enable Conditions In Cab Operation To enable PTO 1 With the engine running shift the vehicle into P Park and set the parking brake Do not press the brake pedal 2 Confirm that cruise control is off 3 Press and release the PTO in cab switch below the climate ...

Page 68: ... outside the vehicle press and release the Remote PTO Arm switch 6 Within five seconds open and close the Remote PTO Engine Start Shutdown switch 7 The horn will chirp and then engine starting will be automatically initiated The PTO system will then elevate engine rpm to PTO Standby Speed and engage the PTO load relay 8 The Remote PTO Set switch can now be used to accomplish the PTO Set 1 and Set ...

Page 69: ...d release the brake pedal and set the parking brake 2 Confirm cruise control is off 3 Confirm the hood is closed 4 Press and release the in cab PTO switch The PTO indicator light will blink slowly 5 Within 10 seconds press and release SET on the cruise control 6 The PTO indicator light will change to solid when the PTO load relay becomes engaged The engine speed will advance to the PTO Standby Spe...

Page 70: ...n the cruise control can be used to tap up and tap down the engine speed Factory setting for the tap step is 100 rpm and the setting for the ramp rate is 150 rpm sec The GM Service Tool can enable the capability to change the default value for tap step via the Radio Customization menu The default values for both tap step and ramp rate can be changed with the GM Service Tool The accelerator pedal i...

Page 71: ...t ensure that the vehicle is secured against unauthorized access during Remote PTO operation The accelerator pedal is disabled when Remote PTO operation is selected Remote PTO operation can be ended by pressing the brake pedal The PTO load relay disengages and the engine returns to base idle speed The operator may drive the vehicle after releasing the park brake The desired engine operating speed ...

Page 72: ...ade at the PTO Upfitter Connector located on the chassis frame behind the cab The engine speeds can be adjusted between the low of PTO Standby Speed and the high of PTO Max Engine speed limits Both values can be modified from the factory default settings with the GM Service Tool Based on the value chosen for PTO Max Engine Speed the PTO menu in the center stack may show speeds that are not availab...

Page 73: ...ly held to the desired engine speed Top limit is PTO Max Engine Speed default 2100 rpm and programmable to 2900 rpm Lower limit is PTO Standby Speed default 900 rpm with program range from base idle to 900 rpm The accelerator pedal can be used to achieve the desired speed When the desired speed is reached SET on the cruise control would be used to capture and maintain that speed Normal tap up and ...

Page 74: ...age PTO Open the Remote PTO Engine Start Shutdown switch Load relay disengages and the engine will stop If equipped press the PTO Emergency Stop switch Load relay disengages and the engine will stop Refer to the bulletins in the Upfitter Integration website www gmupfitter com for the Power Take Off PTO operating description and application guide With the key in the ignition and rotated to the RUN ...

Page 75: ...b Remote Start Stop feature is enabled This requires programming with the GM Service Tool Press 5 on the cruise control Release the parking brake Mobile Mode To disengage PTO Press the brake pedal The PTO system releases control of engine speed but the PTO load relay remains engaged The engine will return to base idle unless the accelerator pedal is pressed The PTO load relay remains engaged The P...

Page 76: ...ing conditions such as downhill acceleration can cause the vehicle speed or engine rpm to exceed these limits In those cases the PTO system may disengage Operator Selectable In Cab Mode OSIM To disable OSIM Stationary PTO Press and release the PTO in cab switch To disable OSIM Mobile PTO Press and release the PTO in cab switch Prolonged or Extended PTO Operation When operating the vehicle in stati...

Page 77: ...the Radio Customization menu COAST Press and hold SET on the cruise control to reduce the rpm at 150 rpm sec until the desired engine speed is reached or until the initial PTO Standby Speed is reached In Cab Cruise Control RES or Remote PTO Set 2 Switch RESUME After a PTO set speed has been met a Resume Speed message is retained after an application of the brake pedal Engine speed will reduce to b...

Page 78: ...imum Value PTO Option Configuration VEHICLE STATIONARY PRESET SPEED VEHICLE STATIONARY PRESET SPEED VEHICLE STATIONARY VARIABLE SPEED VEHICLE MOBILE VARIABLE SPEED PTO Control In Cab PTO Mode In Cab PTO Mode Remote PTO Mode Operator In Cab Selectable Mode OSIM Type of Set Switch Operation MOMENTARY MOMENTARY LATCHING PTO SET 1 Engine Speed After PTO On DISABLED DISABLED ENABLED PTO Load Feedback D...

Page 79: ... programmed with the GM Service Tool Set Low Fuel Level for Engine Shutdown 15 0 25 Engine Run Time with PTO Active Timer ENABLED DISABLED ENABLED Engine Run Time while PTO Is Active 420 min 10 min 3480 min PTO Max Engine Speed 2100 rpm 1100 rpm 2900 rpm Min Engine Speed for PTO Engagement 500 rpm 500 rpm 1000 rpm Max Engine Speed for PTO Engagement 1500 rpm 1000 rpm 1800 rpm PTO Standby rpm 900 r...

Page 80: ...ntiometer Threshold 95 50 100 Remote Set Switch Transition to Low Voltage 33 of Ignition Voltage SET SPEED 1 STANDBY SPEED SET SPEED 1 or SET SPEED 2 Remote Set Switch Transition to Open State 33 of Ignition and 67 of Ignition Voltage PTO STANDBY STANDBY SPEED SET SPEED 1 or SET SPEED 2 Remote Set Switch Transition to High Voltage 67 of Ignition Voltage SET SPEED 2 STANDBY SPEED SET SPEED 1 or SET...

Page 81: ...In Stationary Preset DISABLED DISABLED ENABLED Engine Speed Tap Step Menu In Stationary Variable and Mobile DISABLED DISABLED ENABLED Remote Set Switch Speed Control DISABLED DISABLED ENABLED Remote Throttle Speed Control DISABLED DISABLED ENABLED Remote Engine Start DISABLED DISABLED ENABLED Remote Engine Shutdown DISABLED DISABLED ENABLED Throttle Override ENABLED DISABLED ENABLED Throttle Overr...

Page 82: ...mode only PTO RELEASE BRAKE TO ENGAGE PTO PTO REDUCE VEHICLE SPEED PTO REDUCE ENGINE SPEED PTO DISENGAGE CRUISE CONTROL PTO ACCELERATION UPON BRAKE RELEASE PTO SERVICE PTO PTO SHIFT TO M1 M2 OR M3 Mobile mode only Action Required Cleaning Exhaust Filter Continue Driving DPF only Action Required Cleaning Exhaust Filter Must Continue Driving DPF only Exhaust Filter Cleaning Available Go to Options M...

Page 83: ...affic extended idles short drive cycles or stationary PTO operation prevent DPF self cleaning Manual regeneration can only be used when the DPF has become at least 90 full At 100 full it will attempt to automatically self clean if proper driving conditions are met The DPF will clean itself if the vehicle can be driven above 50 km h 30 mph for about 30 minutes Manual regeneration can be used during...

Page 84: ...e to vehicle components resulting from modifications or the installation or use of non GM certified parts including control module or software modifications is not covered under the terms of the vehicle warranty and may affect remaining warranty coverage for affected parts GM Accessories are designed to complement and function with other systems on the vehicle See your dealer to accessorize the ve...

Page 85: ...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 ...

Page 86: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 Vehicle Care 85 Vehicle Checks Engine Compartment Overview 2 8L 4 Cylinder Engine Pickup Models ...

Page 87: ...4421 2018 CRC 5 9 17 86 Vehicle Care 1 Coolant Surge Tank and Pressure Cap 2 Engine Air Cleaner Filter 3 Engine Oil Fill Cap 4 Engine Fan Out of View 5 Engine Oil Dipstick 6 Engine Compartment Fuse Block 7 Brake Fluid Reservoir 8 Windshield Washer Fluid Reservoir 9 Battery ...

Page 88: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 Vehicle Care 87 6 6L 8 Cylinder Engine Pickup Models ...

Page 89: ...ank and Pressure Cap 4 Remote Positive Terminal 5 Diesel Exhaust Fluid DEF Fill Tube 6 Engine Fan Out of View 7 Automatic Transmission Dipstick 8 Engine Oil Fill Cap 9 Power Steering Fluid Reservoir 10 Engine Oil Dipstick 11 Brake Fluid Reservoir 12 Windshield Washer Fluid Reservoir 13 Auxiliary Battery 14 Engine Compartment Fuse Block 15 Remote Negative Terminal ...

Page 90: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 Vehicle Care 89 2 8L 4 Cylinder Engine Van Models ...

Page 91: ...f engine oil properly See What to Do with Used Oil in this section Checking Engine Oil Check the engine oil level regularly every 650 km 400 mi especially prior to a long trip The engine oil dipstick handle is a loop See Engine Compartment Overview 0 85 for the location Warning The engine oil dipstick handle may be hot it could burn you Use a towel or glove to touch the dipstick handle If a low oi...

Page 92: ...uld be damaged You should drain out the excess oil or limit driving of the vehicle and seek a service professional to remove the excess amount of oil See Engine Compartment Overview 0 85 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 the way back in when through Selecting the Right Engine Oil 2 8L...

Page 93: ... 40 oil may be used An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures When selecting an oil of the appropriate viscosity grade it is recommended to select an oil of the correct specification See Specification earlier in this section Engine Oil Additives Engine Oil Flushes dexos2 Do not add anything to the oil The recommended oils meeting ...

Page 94: ...Symbol This doughnut shaped logo symbol is used on most oil containers to help you select the correct oil It means that the oil has been certified by the American Petroleum Institute Look for this on the oil container and use only those oils that display this logo Caution Use only engine oils that have the designation CJ 4 for the diesel engine Failure to use the recommended oil can damage the DPF...

Page 95: ...r dispose of oil by putting it in the trash or pouring it on the ground into sewers or into streams or bodies of water Recycle it by taking it to a place that collects used oil Engine Oil Life System The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter The oil life system shoul...

Page 96: ...put the shift lever in P Park 4 Allow the engine to run at idle 500 800 rpm Slowly release the brake pedal Then without shutting off the engine follow these steps Cold Check Procedure The purpose of the cold check is to determine if the transmission has enough fluid to be operated safely until a hot check can be made The fluid level rises as fluid temperature increases DO NOT fill above the COLD b...

Page 97: ...within the HOT band add or drain fluid as necessary to bring the fluid level to within the HOT band 6 If the fluid level is in the acceptable range push the dipstick back in all the way Consistency of Readings Always check the fluid level at least twice using the procedures described previously Consistency is important to maintaining proper fluid level If inconsistent readings persist check the tr...

Page 98: ...5 L 1 pt Do not overfill Caution Use of the incorrect automatic transmission fluid may damage the vehicle and the damage may not be covered by the vehicle warranty Always use the automatic transmission fluid listed in Recommended Fluids and Lubricants 0 125 After adding fluid recheck the fluid level as described under How to Check previously in this section When the correct fluid level is obtained...

Page 99: ... air filter housing and nearby components are free of dirt and debris Remove the engine air filter Lightly tap and shake the engine air filter away from the vehicle to release dust and dirt Inspect the engine air filter for damage and replace if damaged Do not clean the engine air filter or components with water or compressed air When changing the air filter remove the dust valve from the front in...

Page 100: ...ce and tighten the two clamp screws 12 Reinstall the wiring harness electrical connector See Maintenance Schedule 0 121 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 Continued Warning Continued backfires Use cau...

Page 101: ...he sides of the housing cover 4 and on the housing base and pull the cover off 3 Remove the air cleaner filter from the housing base Take care to dislodge as little dirt as possible 4 Clean the air cleaner filter sealing surface and housing base 5 Install the engine air cleaner filter by aligning the arrow on one side of the air cleaner filter end cap with the arrow on top of the housing base 6 Re...

Page 102: ...n the correct working temperature 2 8L 4 Cylinder Engine Pickup Models See Cooling System in the owner s manual 6 6L 8 Cylinder Engine Pickup Models 1 Coolant Surge Tank 2 Coolant Surge Tank Pressure Cap 3 Engine Cooling Fan Out of View 2 8L 4 Cylinder Engine Van Models 1 Coolant Surge Tank 2 Coolant Surge Tank Pressure Cap 3 Engine Cooling Fan Out of View Warning An underhood electric fan can sta...

Page 103: ...re is a problem with engine overheating see Engine Overheating 0 105 A 50 50 mixture of clean drinkable water and DEX COOL coolant will Give freezing protection down to 37 C 34 F Give boiling protection up to 129 C 265 F Protect against rust and corrosion Help keep the proper engine temperature Let the warning lights and gauges work as they should What to Use Use a 50 50 mixture of clean drinkable...

Page 104: ...tor arrows The coolant level must be checked when the engine is cold and the vehicle must be on a level surface The lower portion will be mostly empty depending on the operating temperature Warning Turning the surge tank pressure cap when the engine and radiator are hot can allow steam and scalding liquids to blow out and burn you badly Never turn the surge tank pressure cap even a little when the...

Page 105: ...Coolant contains ethylene glycol and it will burn if the engine parts are hot enough Warning Steam and scalding liquids from a hot cooling system are under pressure Turning the pressure cap even a little can cause them to come out at high speed and you could be burned Never turn the cap when the cooling system including the pressure cap is hot Wait for the cooling system and pressure cap to cool I...

Page 106: ...the engine is shut off and the coolant is cold If necessary repeat coolant fill procedure Steps 1 6 If the coolant level is still low after having followed these steps twice have the coolant system checked by a certified technician at the dealer for a possible leak Caution If the pressure cap is not tightly installed coolant loss and engine damage may occur Be sure the cap is properly and tightly ...

Page 107: ...erheat warning the vehicle can be driven Just to be safe drive slower for about 10 minutes If the warning does not come back on drive normally and have the cooling system checked for proper fill and function If the warning continues pull over stop and park the vehicle right away If there is still no sign of steam and the vehicle is equipped with an engine driven cooling fan push down the accelerat...

Page 108: ...r side of the vehicle Lift the cover to access the fuse block Caution Spilling liquid on any electrical component on the vehicle may damage it Always keep the covers on any electrical component A fuse puller is available inside this fuse block Danger Fuses and circuit breakers are marked with their ampere rating Do not exceed the specified amperage rating when replacing fuses and circuit breakers ...

Page 109: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 108 Vehicle Care 4 Cylinder Pickup ...

Page 110: ...Engine control module miscellaneous F9 Engine control module Fuses Usage F10 Engine control module injectors F11 Mass air flow sensor F12 Starter F13 Traction control module F14 F15 F16 F17 Front axle actuator F18 F19 F20 Fuel pump F21 Front blower F22 Antilock brake system valves F23 F24 Trailer F25 Transfer case electronic control Fuses Usage F26 Antilock brake system pump F27 Trailer brake cont...

Page 111: ...lytic reduction power module wake up F50 Trailer parking lamps F51 Horn F52 Fuses Usage F53 F54 F55 F56 Washer pump F57 F58 F59 F60 Mirror defogger F61 F62 Selective catalytic reduction power module F63 F64 Trailer reverse lamps F65 Left trailer stoplamp Turnlamp F66 Right trailer stoplamp Turnlamp F67 Electric power steering F68 Fuses Usage F69 Battery regulated voltage control F70 F71 F72 F73 F7...

Page 112: ... 9 17 Vehicle Care 111 Relays Usage K10 Rear differential lock actuators K11 Center high mounted stoplamp K12 Fuel heater K13 Selective catalytic reduction power module heater control K14 Trailer parking lamps K15 Run Crank K16 Cooling fan clutch K17 Rear window defogger Mirror defogger ...

Page 113: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 112 Vehicle Care 4 Cylinder Van ...

Page 114: ... Rear vision camera 14 Washer 16 Horn 17 Transmission 18 Air conditioning 19 Engine control module battery 20 Cutaway Left stoplamp Turnlamp 21 Left trailer stoplamp Turnlamp 22 Cutaway Right stoplamp Turnlamp 23 NOx sensors 24 Gas fuel pump Diesel fuel pump 25 Auxiliary power outlet 26 Body control module 3 27 Special equipment option Fuses Usage 28 Airbag 29 Steering wheel sensor 30 Engine contr...

Page 115: ...nkcase vent heater 62 O2 sensor 2 EV fan 63 64 Mass airflow sensor Canister vent Humidity sensor 65 Ignition Injectors odd 66 Daytime running lamps 2 67 Daytime running lamps 1 uplevel 68 Auxiliary stoplamps 69 Trailer power extension 70 Upfitter stoplamps 71 Fuel heater Flex fuel sensor 72 Body control module 6 Fuses Usage 73 Lighter Data link connector 74 Front blower 75 Fuel Injectors 76 Soot s...

Page 116: ...t trailer stoplamp Turnlamp K19 Daytime running lamps Auxiliary Fuse Block The vehicle may not be equipped with all of the fuses relays and features shown Fuses Usage MR 1 Fuel filter heater MR 2 Diesel exhaust fluid power MR 3 Diesel exhaust fluid wake up Relays Usage MR Rel 1 Fuel filter heater MR Rel 2 Diesel exhaust fluid power Wake up Mega Fuse Holder To check the fuse release the yellow clam...

Page 117: ...ays and features shown Fuses Usage 1 Trailer brake Fuses Usage 2 Trailer battery 3 Antilock brake system pump 4 Instrument panel BEC 1 5 Passenger motorized seat belt 6 4WD transfer case electronic control 7 Electric parking brake 8 Instrument panel BEC 2 9 Driver motorized seat belt 10 Rear window defogger 11 Starter 12 Cooling fan 1 13 Cooling fan 2 14 Left trailer stop Turn lamps ...

Page 118: ...ter 3 Fuses Usage 28 Right parking lamps 29 Left parking lamps 30 Upfitter 3 31 Upfitter 4 32 Upfitter 4 33 Reverse lamps 34 Engine control module Ignition 35 Air conditioning clutch 36 Heated mirrors 37 Upfitter 1 38 Center high mounted stoplamp 39 Miscellaneous Ignition 40 Transmission Ignition 41 Fuel pump 2 42 Cooling fan clutch Fuses Usage 43 Engine 44 Fuel injectors A odd 45 Fuel injectors B...

Page 119: ...pump 60 Upfitter 2 61 Upfitter 3 62 Upfitter 4 Relays Usage 63 Trailer parking lamps 64 Run Crank 65 Upfitter 1 66 Fuel pump 2 67 Air conditioning control 68 Starter 69 Rear window defogger 70 Engine control module 71 Cooling fan clutch 72 CKT 95 73 CKT 92 75 Fuel heater 78 Diesel exhaust fluid heater 79 PT sensor Appearance Care Exterior Care See the owner s manual for additional exterior care in...

Page 120: ...er to have all required maintenance performed Your dealer has trained technicians who can perform required maintenance using genuine replacement parts They have up to date tools and equipment for fast and accurate diagnostics Many dealers have extended evening and Saturday hours courtesy transportation and online scheduling to assist with service needs Your dealer recognizes the importance of prov...

Page 121: ...d Loading Information label See Vehicle Load Limits in the owner s manual Are driven on reasonable road surfaces within legal driving limits Use the recommended fuel See Fuel for Diesel Engines 0 45 Refer to the information in the Maintenance Schedule Additional Required Services Normal chart The Additional Required Services Severe are for vehicles that are Mainly driven in heavy city traffic in h...

Page 122: ...anged at least once a year and the oil life system must be reset Your trained dealer technician can perform this work If the engine oil life system is reset accidentally service the vehicle within 5 000 km 3 000 mi since the last service Reset the oil life system when the oil is changed See Engine Oil Life System 0 94 Required Services Every 12 000 km 7 500 mi Check engine oil level and oil life p...

Page 123: ... 8 0 0 0 k m 1 0 5 0 0 0 mi 1 8 0 0 0 0 k m 11 2 5 0 0 mi 1 9 2 0 0 0 k m 1 2 0 0 0 0 mi 2 0 4 0 0 0 k m 1 2 7 5 0 0 mi 2 1 6 0 0 0 k m 1 3 5 0 0 0 mi 2 2 8 0 0 0 k m 1 4 2 5 0 0 mi 2 4 0 0 0 0 k m 1 5 0 0 0 0 mi Perform Required Services Check engine oil level and oil life percentage Change engine oil and filter if needed Replace engine air cleaner filter 1 Change automatic transmission fluid and...

Page 124: ... or more often as needed 2 Or every five years whichever comes first See Cooling System 0 101 3 Or every 10 years whichever comes first Inspect for fraying excessive cracking or damage replace if needed 4 Or every two years or when the CHANGE FUEL FILTER message in the Driver Information Center DIC comes on whichever comes first The fuel filter may need to be replaced more often based on biodiesel...

Page 125: ...ine oil and filter if needed Replace engine air cleaner filter 1 Change automatic transmission fluid and filter Drain and fill engine cooling system 2 Visually inspect accessory drive belts 3 Replace timing belt 2 8L 4 Cylinder Engine Replace fuel filter 8 Cylinder Pickup 4 Replace fuel filter 4 Cylinder Pickup 4 Replace fuel filter Van 4 Footnotes Maintenance Schedule Additional Required Services...

Page 126: ...llison Transmission Only For areas where ambient temperatures are below 40 C 40 F use Synthetic Transmission Fluid approved to Allison Transmission specification TES 295 GM Part No 12378515 in Canada 88900701 Automatic Transmission Van DEXRON HP Automatic Transmission Fluid GM Part No 19331925 in Canada 19300537 Diesel Exhaust Aftertreatment System Diesel Exhaust Fluid GM Part No 19286291 in Canad...

Page 127: ...ity To determine the preferred viscosity for your vehicle s diesel engine see Engine Oil 0 90 Hydraulic Power Steering System If Equipped GM Power Steering Fluid GM Part No 19329450 in Canada 89021186 Maintenance Replacement Parts Replacement parts identified below by name part number or specification can be obtained from your dealer Part GM Part Number ACDelco Part Number Engine Air Cleaner Filte...

Page 128: ...nada 11354421 2018 CRC 5 9 17 Service and Maintenance 127 Part GM Part Number ACDelco Part Number Engine Oil Filter 4 Cylinder Engines Van 12677407 PF2267G 4 Cylinder Engines Truck 12679114 PF2262G 8 Cylinder Engines 88917036 PF2232 Use only the specified filters ...

Page 129: ... 128 Service and Maintenance Maintenance Records After 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 Date Odometer Reading Serviced By Services Performed ...

Page 130: ...Chevrolet GMC Duramax Diesel Supplement GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 Technical Data 129 Technical Data Vehicle Data Capacities and Specifications 130 Engine Drive Belt Routing 132 ...

Page 131: ...r Engine LWN 10 5 L 11 1 qt 6 6L 8 Cylinder Engine L5P 29 7 L 31 4 qt Cooling System 2 8L 4 Cylinder Van Models Front Heater Core without Fuel Operated Heater FOH 13 7 L 14 4 qt Front Heater Core with Fuel Operated Heater FOH 13 9 L 14 7 qt Front and Rear Heater Core without Fuel Operated Heater FOH 15 8 L 16 7 qt Front and Rear Heater Core with Fuel Operated Heater FOH 16 0 L 16 9 qt Diesel Exhau...

Page 132: ...ion Fluid Pan Removal and Filter Replacement 2 8L 4 Cylinder Engines 6 3 L 6 7 qt 6 6L 8 Cylinder Engines 7 0 L 7 4 qt Do not overfill the DEF tank See Diesel Exhaust Fluid 0 37 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 2 8L 4 Cylinder Turbo Diesel LW...

Page 133: ... GMNA Localizing U S Canada 11354421 2018 CRC 5 9 17 132 Technical Data Engine Drive Belt Routing 2 8L 4 Cylinder Engine Pickup 2 8L 4 Cylinder Engine Van 6 6L 8 Cylinder Engine L5P Single Generator 6 6L 8 Cylinder Engine L5P Dual Generator ...

Page 134: ...8 Cleaning Exterior Care 118 Cluster Instrument 10 Cold Weather Operation 49 Cooling System 101 Covers Winter 27 D Diesel Starting Your Engine 24 Diesel Exhaust Fluid 7 37 Diesel Exhaust Fluid DEF Warning Light 20 Diesel Particulate Filter 34 Drive Belt Routing Engine 132 Driver Information Center DIC 21 E Electrical System Engine Compartment Fuse Block 107 Engine Air Cleaner Filter 98 Check Light...

Page 135: ...Fuses Engine Compartment Fuse Block 107 G Gauges Engine Oil Pressure 17 Fuel 16 General Information Service and Maintenance 119 H Heater Engine 31 Fuel Operated 33 I Instrument Cluster 10 Introduction 2 L Lamps Malfunction Indicator Check Engine 18 Lights Check Engine Malfunction Indicator 18 Diesel Exhaust Fluid DEF 20 Power Take off 21 Wait to Start 20 M Maintenance Records 128 Maintenance Sched...

Page 136: ...fications 83 Maintenance Records 128 Maintenance General Information 119 Specifications and Capacities 130 Starting the Diesel Engine 24 Supplement Using 2 T Towing Trailer 58 Trailer Towing 58 Transmission Fluid Automatic 94 U Using This Supplement 2 V Vehicle Canadian Owners 2 Personalization 22 23 W Wait to Start Light 20 Water in Fuel 49 What Fuel to Use in Canada 46 What Fuel to Use in the U ...

Page 137: ... Manual Supplement 2018 Duramax Diesel C M Y CM MY CY CMY K 18_MUL_Duramax_Diesel_Supplement_COV_en_US_23380346A_2017MAY11 ai 1 5 8 2017 8 53 21 AM 18_MUL_Duramax_Diesel_Supplement_COV_en_US_23380346A_2017MAY11 ai 1 5 8 2017 8 53 21 AM ...

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