Workshop Repair and Service Manuals GMC SIERRA
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Body

Headlamp Aiming Lighting Exterior Lighting Head Lamp      Headlamp aim has been preset and should need no furtheradjustment. If the vehicle is damaged in a crash, the headlamp aim may beaffected. If adjustment to the headlamps is necessary, see yourdealer.
Halogen Bulbs Lighting Bulbs      Warning:Halogen bulbs have pressurized gas inside and can burst ifyou drop or scratch the bulb. You or others could be injured. Besure to read and follow the instructions on the bulbpackage.
Interior Lighting Systems Description and Operation Lighting Interior Lighting - part 2      If theignition switch is turned to either the RUN or CRANK position thecourtesy lamps will turn OFF immediately. Vanity Lamps The inadvertent power supply voltage circuit of the bodycontrol module (BCM) provides battery...
Interior Lighting Systems Description and Operation Lighting Interior Lighting      Interior Lamps The interior lighting consists of 2 groups. The first groupincludes lamps that may not be dimmed. Courtesy/illuminated entry lampsDome lampsMap lampsReading lampsVanity mirror lampsCourtesy/Illuminated Entry...
Power Outlets Description and Operation Accessory Outlets      12 Volt Power Outlet Receptacle Description andOperation The accessory power receptacles are supplied battery voltageat all times.
Replacement Bulbs Lighting Bulbs      Exterior Lamp Bulb Number Back-up Lamp 3047K Back-up Lamp* 1156 Cargo Lamp and Center High-Mounted Stoplamp (CHMSL) 912LL Fender Marker Lamp (If Equipped) W5WLL Front Turn Signal Lamp...
Fastener Tightening Specifications - 4WD Driveline Control      Fastener Tightening Specifications Application Specification Metric English Air Inlet Grille Panel Screws 1.3-Y 12-lb-in Plenum Reinforcement Panel Bolts 9-Y 80-lb-in Windshield Washer Solvent...
Windshield Glass Cleaning      Clean the windshield glass with windshield cleaner. Thecleaner used should be one that will not harm the paint finish orscratch the glass. The windshield glass is clean when water nolonger beads, but sheets across the entire...
Wiper Chatter Repair Wipers      Some vehicles may exhibit a condition where the windshieldwiper blades chatter or wipe unevenly. Several different conditionscan cause the wiper blade chatter. To completely repair wiper bladechatter, all of the following...
Wiper Washer System Description and Operation      Windshield Wipers The windshield wiper/washer switch signal circuits are inputsto the body control module (BCM) and the BCM controls wiper motorlow speed operation, washer pump and high speed operation. Thewindshield...
Wiper Blade Element Cleaning Wipers Wiper Blade      Lift the wiper blade assemblies off of the windshieldglass.Clean the wiper blade element with a clean cloth saturatedwith full strength washer solution.Rinse the wiper blade assemblies with water.Place the wiper blade...
Fastener Tightening Specifications - Moonroof Sunroof Moonroof Sunroof      Fastener Tightening Specifications Application Specifications Metric English Sunroof Actuator to Bracket Screws 3-Y 27-lb-in Sunroof Air Deflector Screws 3-Y 27-lb-in Sunroof Module 10-Y...
Sunroof Track Timing Synchronization (Extended Cab) Moonroof Sunroof      Removal ProcedurePlace the module in the full open position.It is only necessary to lower the headliner. Only do thosestep in headliner replacement that will lower the headliner enoughto gain access to the part. Refer...
Sunroof Motor Actuator Initialization Teach Process (Crew Cab New Motor) Moonroof Sunroof Power Moonroof Motor and Cables      Initialization/Teach Procedure (Manual Method), New/FirstTime Installation Perform the initialization/teach procedure at the firstoperation test of the sunroof. Ensure the electrical harness on theheadliner is connected to the...
Sunroof Description and Operation Moonroof Sunroof      Power Sunroof System Components The Power Sunroof System consists of the followingcomponents: Sunroof moduleSunroof switchSunroof glassRail and track assembly upon which the sunroof glassridesSunroof sunshade panelS/ROOF Fuse...
Sunroof Drain Inspection and Cleaning Moonroof Sunroof      Drain Hose Routing Note:If the headliner is wet DO NOT remove any interior trim. Dothe Plugged Drain Hose test first. A drain trough encircles the sunroof window panel and wateris drained off by the drain hoses located at...
Sunroof Control Module Programming and Setup Moonroof Sunroof      When replacing the sunroof motor/control module, the sunroofmotor/actuator initialization/teach procedure must be followed.Refer toSunroof Motor/Actuator Initialization/Teach Process.
Sunroof Motor Actuator Initialization Teach Process (Crew Cab Existing Motor) Moonroof Sunroof Power Moonroof Motor and Cables      Re-Initialization/Teach Procedure (Manual Method), possibleRe-Installation Perform the initialization/teach procedure at the firstoperation test of the sunroof. Ensure the electrical harness on theheadliner is connected to the...
General Plastic Repair      Warning:In order to reduce the risk of personal injury when exposedto toxic fumes while grinding, cutting, or applying repair materialon any type of sheet molded compound or RIM rigid plastic, observethe following guidelines:...
Rigid Plastic Part Repair Materials      Rigid Plastic Part Repair Materials Thermoset Plastic Type Type of Repair Recommended Repair Material Availability Sheet metal compound (SMC), RIM rigid plastic parts Cosmetic filling GM Goodwrench® Structural...
Eliminating Unwanted Odors in Vehicles      GM Vehicle Care Odor Eliminator,GM-P/N-88861431(Canadian-P/N-88861436), may control oreliminate odors in the interior and luggage compartment areas of GMvehicles. This non-toxic, biodegradable, odorless product has beenshown...
Flexible Plastic Part Repair Materials      Product– 88861039, *88861040, High Strength PlasticRepair 50-ml Components– 12 cartridges with 2 mixers each Structural and Cosmetic Recommended Repair Material Product Components Recommended Repair Material Work Time...
Plastic Identification and Refinishing Systems      Plastic Identification and Refinishing Systems Identifying Symbol– Old Symbol in ( )s Chemical Composition or Plastic Family Name Typical Area(s) Where Part is Used Examples of Common / Trade Names Type of Plastic...