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GMC CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

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    C1000 PickupC15/C1500 PickupC15/C1500 SuburbanC1500 Pickup
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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about GMC car and truck repair procedures including GMC engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your GMC automobile. Try the Automotix DIY solution today!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for GMC mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your GMC vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR GMC AUTOMOBILES

    Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported GMC cars and light trucks from 1990+

    Drive Belt Data -> Domestic Light Trucks & Vans -> 1992-95
    Vehicle: 1994 GMC C3500 Pickup Sierra XC 6.5 V8 DIESEL

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO GMC A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR GMC AUTOMOBILES

    Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC cars and light trucks from 1990+.

    Power Brake Units -> Delco Brake Booster -> Precautions -> Connect -> Disconnect -> Hybrid Battery Service
    Vehicle: 2008 GMC Yukon Hybrid 6.0 V8 ELECTRIC/GAS

    Hybrid Battery Service

    Disconnect

    Before working on any high voltage system, be sure to wear the following Personal Protection Equipment: Safety glasses with appropriate side shields when within 50 feet of the vehicle, either indoors or outdoors. Certified and up-to-date Class "0" Insulation gloves rated at 1000 volts with leather protectors. Visually and functionally inspect the gloves before use. Wear the Insulation gloves at all times when working with the high voltage battery assembly, whether the system is energized or not. Failure to follow the procedure exactly as written may res...

    CLICK HERE TO GET FULL ACCESS TO GMC BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR GMC AUTOMOBILES

    Fuel filter replacement procedures with corresponding images for most domestic and imported GMC cars and light trucks sold in the U.S. for 1980+.

    General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Component Locations -> 1999-06 Escalade, Avalanche & Denali, 1988-03 & C/K Pickup (Except 1999-03 Sierra & Silverado), 1992-06 Blazer, Jimmy, Hummer H2, SSR, Suburban, Yukon XL, Tahoe, Yukon, Bravada Gasoline Engines & 2004-06 Rainier, TrailBlazer & Envoy
    Vehicle: 1992 GMC C2500 Pickup Sierra 7.4 V8 GAS

    CLICK HERE TO GET FULL ACCESS TO GMC FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR GMC AUTOMOBILES

    Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC cars and light trucks from 1990+.

    DRIVESHAFT, Replace
    Vehicle: 2010 GMC Terrain SLT 2.4 L4 GAS

    • Place transmission in neutral.
    • Raise and support vehicle.
    • Index mark relationship of propeller shaft to rear drive module flange.
    • Remove bolts securing underbody guard loop.
    • Remove underbody guard loop.
    • Place a support under propeller shaft at rear drive module.
    • Remove bolts securing propeller shaft yoke flange to rear drive module flange.
    • Index mark relationship of propeller shaft to power take-off unit (PTU) flange.
    • Place a support under propeller shaft at PTU.
    • Remove bolts securing propeller shaft to PTU flange.
    • Place a su...

    CLICK HERE TO GET FULL ACCESS TO GMC DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR GMC AUTOMOBILES

    Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported GMC cars and light trucks sold in the U.S. from mid 1990's+.

    Wiring Diagrams -> Wire Color Code Identification
    Vehicle: 2009 GMC Sierra 1500 SLT 5.3 V8 GAS

    Refer to Figs. through for w...

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO GMC TIRE PRESSURE MONITORING SYSTEM PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR GMC AUTOMOBILES

    Includes starter and alternator replacement procedures for domestic and imported GMC cars and light trucks from 1990+.

    Alternator, Replace
    Vehicle: 1990 GMC K2500 Pickup Sierra 4.3 V6 GAS

    • Disconnect battery ground cable.
    • Disconnect terminal plug and battery lead from rear of alternator.
    • Remove accessory drive belt.
    • Remove alternator mounting bolts.
    • Separate alternator from mounting bracket.
    • Rem...

    CLICK HERE TO GET FULL ACCESS TO GMC STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR GMC AUTOMOBILES

    Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported GMC cars and light trucks sold in the U.S. as equipped to the current model year.

    Cabin Air Filter Service -> General Motors Corp./Saturn -> 1999-2007 Silverado, Sierra, 2000-07 Denali, Suburban, Tahoe, Yukon, Yukon XL, 2001-07 Escalade & 2002-07 Avalanche
    Vehicle: 2007 GMC Sierra Denali 6.2 V8 GAS

    Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.

    • Remove the righthand instrument panel hush panel.
    • Remove the A/C and heater modul...

    CLICK HERE TO GET FULL ACCESS TO GMC CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR GMC AUTOMOBILES

    Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC cars and light trucks sold in the U.S. from 1990+.

    General Motors Corp./Saturn Trucks -> All Wheel Drive (AWD) System Warning Lamp ->
    Vehicle: 1993 GMC C1500 Pickup Sierra XC 5.7 V8 GAS

    This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the war...

    CLICK HERE TO GET FULL ACCESS TO GMC MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC AUTOMOBILES

    Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC cars and light trucks from 1990+

    Heater Hose, Replace -> Inlet -> Outlet
    Vehicle: 1991 GMC C1500 Pickup Sierra 5.0 V8 GAS

    Inlet

    • Drain cooling system into a suitable container.
    • Reposition hose clamp at heater core.
    • Remove inlet heater hose from heater core.
    • Reposition hose clamp at thermostat housing.
    • Remove inlet heater hose from thermostat housing.
    • Remove hose from vehicle.
    • Reverse proc...

    CLICK HERE TO GET FULL ACCESS TO GMC RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR GMC AUTOMOBILES

    Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC cars and light trucks sold in the U.S. from 1990+.

    Serpentine Drive Belt, Replace
    Vehicle: 1996 GMC C1500 Pickup Sierra 5.0 V8 GAS

    • Rotate tensioner counterclockwise, using a 1/2 inch breaker bar with a socket placed on tensioner ...

    CLICK HERE TO GET FULL ACCESS TO GMC SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR GMC AUTOMOBILES

    Component location diagrams for most GMC cars and light trucks sold in the U.S. from 1990+.

    Behind Center Of I/P Diagram for 1996 GMC K1500 Pickup Sierra 5.7 V8 GASBehind Center Of I/P Diagram for 1996 GMC K1500 Pickup Sierra 5.7 V8 GAS

    Components on diagram:
  • Remote Keyless Entry Module
  • Diagnostic Energy Reserve Module
  • Illuminated Entry Module
  • Outside Moisture Sensor Diagram for 2006 GMC Envoy SLT 4.2 L6 GASOutside Moisture Sensor Diagram for 2006 GMC Envoy SLT 4.2 L6 GAS

    Components on diagram:
  • Rearview Mirror
  • Headliner Harness
  • Moisture Sensor
  • CLICK HERE TO GET FULL ACCESS TO GMC PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR GMC AUTOMOBILES

    OEM drawn wiring diagrams for most GMC cars and light trucks sold in the U.S.

    1996 GMC G35/G3500 VAN  4.3 V6 GAS Wiring Diagram1996 GMC G35/G3500 VAN 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • LH Front Lock Actuator Motor
  • Side Door Lock Actuator Motor
  • Rear Door Actuator Motor
  • RH Front Lock Actuator Motor
  • 2007 GMC Sierra 3500 Classic SL 6.0 V8 GAS Wiring Diagram2007 GMC Sierra 3500 Classic SL 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Transmission Control Module
  • Right Backup Lamp
  • Left Backup Lamp
  • Body Control Module
  • Engine Control Module
  • CLICK HERE TO GET FULL ACCESS TO GMC WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR GMC AUTOMOBILES

    OEM TSB listings for most GMC cars and light trucks sold in the U.S. from 1985+.

    Document: DRIVELINE CLUNK SHIFTING BETWEEN P-D/P-R/D-R REVISED
    Vehicle: 1986 GMC K15/K1500 Suburban 5.7 V8 GAS

    Symptoms:
  • Noise
  • Auto Systems:
  • Drive Axles, Shafts, U-Joints, CV-Joints
  • Document: INFORMATION ON HEATED ELECTROMATIC OUTSIDE REARVIEW MIRROR PERFORMANCE
    Vehicle: 1991 GMC R3500 Pickup 6.2 V8 DIESEL

    Auto Systems:
  • Instruments, Dash Cluster, Warning Lights, Mirrors
  • CLICK HERE TO GET FULL ACCESS TO GMC TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR GMC AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC cars and light trucks sold in the U.S. and Canada from 1970+.

    • Brake caliper mounting bolt torque
    • Brake drum runout, machining, & discard specs
    • Minimum brake lining thickness.
    • Brake rotor runout, parallelism, machining, discard, & finish specs

    A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most GMC cars and light trucks sold in the U.S. and Canada from 1980+.

    • Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap

    COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.

    PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules

    QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most GMC cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.

    • Automatic transmission/transaxles capacities, lubricant recommendations
    • Differential/final drive capacities, lube recommendations, grades, & viscosities
    • Final drive fill & drain plug torques
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
    • Severe service maintenance & interval recommendations
    • Tire sizes, wheel nut/bolt torque, pressures & rim sizes
    • Transfer case capacities, lube recommendations, grades, & viscosities

    TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most GMC cars and light trucks sold in the U.S. and Canada from 1980+

    • Airflow sensor electrical specifications
    • Tensioning specifications for systems with automatic tensioners
    • Barometric pressure sensor specs
    • Battery group number and cranking performance
    • Crankshaft & camshaft position sensor resistance
    • Engine compression pressures
    • Coolant temperature sensor specs
    • Computer advance.
    • Diesel fuel temperature sensor resistance.
    • Distributor advance specifications
    • Ignition pickup coil resistance
    • Exhaust gas recirculation temperature sensor resistance
    • Engine fastener torque values
    • Firing order diagrams
    • Fuel system pressures
    • Generator (alternator) specs
    • Intake air temperature sensor specs
    • Ignition coil specifications
    • Fuel injector resistance
    • Engine idle speeds
    • Knock sensor resistance
    • Manifold absolute pressure sensor specs
    • Mixture control solenoid resistance
    • Voltage regulator specs
    • Spark plug applications & gaps
    • Starter motor electrical specs.
    • Tensioning specifications for systems without automatic tensioners
    • Throttle body temperature sensor resistance
    • Ignition timing in degrees at rpm
    • Transmission oil temperature sensor resistance
    • Throttle position sensor specs
    • Vacuum sensor valve specs

    CLICK HERE TO GET FULL ACCESS TO GMC SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 1996 GMC C1500 Helper Spring1996 GMC C1500 Helper Spring, Enough for 2 leaf springs; Includes mounting hardware; Bolts on to stock leaf springs; Provides up to 1,000 lbs. of level load capacity; Ensures a safer ride by giving you more stability through level load management; Eliminates rear end sagging; Easy to install; Best for lighter cargo; For heavier loads, we recommend the LP series; This product is not designed to be used for exceeding the manufacturer's maximum gross vehicle weight rating..

    Source: Auto Body Parts Store

    $97.64

    Click here to view more details about 1999 GMC Jimmy Tail Light, Driver Side1999 GMC Jimmy Tail Light, Driver Side.

    Source: Auto Body Parts Store

    $20.41

    Click here to view more details about 2004 GMC Sonoma Pickup 15" X 7" Alloy Wheel2004 GMC Sonoma Pickup 15" X 7" Alloy Wheel, ALLOY WHEEL, 15 X 7, 5 STUDS/LUGS, 4.75" BOLT DIA, 5 SPOKES, SILVER, 4X4. MACH'D LIP AND LUG AREA WITH SILV SPKS., , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $111.45

    Click here to view more details about 1993 GMC S15 Typhoon V6, 4.3 L, 262 CID Rebuilt Engine1993 GMC S15 Typhoon V6, 4.3 L, 262 CID Rebuilt Engine, Fuel injected, roller cam, no balance shaft, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,251.00

    Click here to view more details2002 GMC Yukon Used Suspension Compressor/Pump, CHECK THIS P/N-15070878, Very Good.

    Source: Used Auto Parts Store

    $323.00

    Click here to view more details2003 GMC Envoy Used Suspension Compressor/Pump, AIR COMPRESSOR, 25978169, Very Good.

    Source: Used Auto Parts Store

    $323.00
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