GMC REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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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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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!
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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+

Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Condenser, Replace -> Astro & Safari -> Bravada, S & T Series -> C & K Series -> G Series -> Montana, Silhouette, Trans Sport & Venture -> P Series -> Tracker
Vehicle: 1999 GMC C1500 Pickup 5.0 V8 GAS

Astro & Safari
  • Recover refrigerant as outlined under .
  • Remove grille and front end panel.
  • Disconnect radiator tie bar support at top.
  • Disconnect refrigerant lines from condenser. Cap lines and fittings to prevent dirt or moisture from entering system.
  • Remove condenser.
  • Reverse procedure to install.
C & K Series
  • Recover refrigerant as outlined under .
  • Remove grille assembly.
  • Remove condenser inlet and discharge lines. Cap lines and fittings to prevent dirt or moisture from entering system.
  • Remove condenser ...

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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...

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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 Silverado & Sierra
Vehicle: 2006 GMC Sierra 1500 WT 4.3 V6 GAS

Refer ...

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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 -> One Piece Driveshaft -> Two Piece Driveshaft
Vehicle: 2000 GMC Savana 1500 5.0 V8 GAS

One Piece Driveshaft
  • Raise and support vehicle.
  • Mark rear universal joint to drive shaft flange.
  • Remove retaining bolts and clamps.
  • Remove propeller shaft from pinion drive flange.
  • Remove propeller shaft from transmission/transfer case.
  • Using tape or a rubber band, wrap the U-Joint bearing caps to ensure bearing caps do not separate from U-Joint.
  • Reverse procedure to install, noting the following:
    • Align reference marks made during removal.
    • Torque yoke retainer bolts to 18 ft. lbs.
Two Piece Driveshaft
  • Raise and support vehicle.
  • Suppor...

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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+.

Reset Procedures
Vehicle: 2008 GMC Sierra 1500 WT 5.3 V8 GAS

The Low Tire Pressure warning lamp and/or the DIC (Driver Information Center) Low Tire Pressure message can be cl...

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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: 2007 GMC Sierra 2500 HD Classic WT 6.0 V8 GAS

  • Disconnect battery ground cable.
  • Disconnect positive crankcase ventilation hose from air cleaner outlet resonator.
  • Loosen air cleaner outlet resonator clamps at mass air flow intake air temperature sensor and at throttle body.
  • Remove air cleaner outlet resonator.
  • Remove drive belt using suitable tools.
  • Remove engine wiring harness clip from air conditioning compressor and condenser hose bracket.
  • Remove air conditioning compressor and condenser hose bracket bolt.
  • Remove heate...

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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: 2006 GMC Sierra 2500 HD SL 8.1 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...

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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 -> Service Four Wheel Drive (4WD) System Warning Lamp ->
Vehicle: 2009 GMC Yukon XL 1500 SLE 6.0 V8 GAS

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

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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+

Radiator, Replace
Vehicle: 1999 GMC Savana 2500 5.0 V8 GAS

  • Drain coolant into a suitable container.
  • Remove air cleaner, duct and coolant recovery reservoir.
  • Remove mounting bolts, upper to lower mounting bolts and upper fan shroud.
  • Remove mounting bolts and low...

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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: 1995 GMC G35/G3500 VAN Vandura 6.5 V8 DIESEL

  • Rotate tensioner to release belt tension, using a 1/2 inch breaker bar with a 5/8 inch socket placed on tensioner pulley.
  • Remove drive belt.
  • Route b...

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COMPONENT LOCATION DIAGRAMS FOR GMC AUTOMOBILES

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

Body Harness Diagram for 2006 GMC Sierra 3500 WT 6.0 V8 GASBody Harness Diagram for 2006 GMC Sierra 3500 WT 6.0 V8 GAS

Components on diagram:
  • Air Bag Control Module
  • Ground G305
  • Connector C305
  • B-Pillar
  • Engine Compartment Components Diagram for 2007 GMC Savana 1500  5.3 V8 GASEngine Compartment Components Diagram for 2007 GMC Savana 1500 5.3 V8 GAS

    Components on diagram:
  • Throttle Actuator Control Module
  • 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
  • 1996 GMC G35/G3500 VAN Vandura 7.4 V8 GAS Wiring Diagram1996 GMC G35/G3500 VAN Vandura 7.4 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Seat Belt Switch
  • Multi-Function Alarm Module
  • Inflatable Restraint Control Module
  • Inflatable Restraint Front End Discriminating Sensor
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    TECHNICAL SERVICE BULLETINS FOR GMC AUTOMOBILES

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

    Document: DISTORTION IN OUTER SURFACE OF VEHICLE GLASS - REVISED
    Vehicle: 1994 GMC C2500 Pickup Sierra 6.5 V8 DIESEL

    Auto Systems:
  • Glass, Doors, Hood, Decklid, Tailgate, Liftgate, Locks
  • Document: DISCONTINUATION OF PRINTED GM VIN CARDS
    Vehicle: 2002 GMC Savana 1500 5.7 V8 GAS

    Auto Systems:
  • Identification, Models, Labels, Etc.
  • 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!

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    Click here to view more details about 1999 GMC K1500 Antenna1999 GMC K1500 Antenna, 3-section mast; 1200 mm cable; Includes mast screw; A high quality universal pillar side mount antenna; May require modification or other adjustment to your vehicle upon installation; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $6.17

    Click here to view more details about 1999 GMC K1500 Mirror, Driver Side1999 GMC K1500 Mirror, Driver Side, This OE replacement mirror is primered and made of the highest quality, rust and corrosion resistant materials to withstand all types of weather. Item is backed by 2-year Kool Vue limited warranty.</p><p><b>Kool Vue</b> specializes in producing mirrors for all vehicle makes and models; our mirrors go through rigorous testing that includes 35,000 hours of Weather Testing, 500 Swing Tests and Impact, Pull Tension, Reflection and Vibration testing to make sure you purchase the highest quality mirrors. You can't go wrong with Kool Vue Mirrors!</p>.

    Source: Auto Body Parts Store

    $51.37

    Click here to view more details2014 GMC Yukon Denali Driver Side Head Light Assembly, Driver Side Head Light Assembly; For Denali Models [Platinum Bezel], , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $118.50

    Click here to view more details about 1993 GMC S15 Jimmy V6, 4.3 L, 262 CID Rebuilt Engine1993 GMC S15 Jimmy V6, 4.3 L, 262 CID Rebuilt Engine, CPI, balance shaft, roller cam, two temp/detonation senders in left head, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details2004 GMC Canyon Used Bed Assembly, White, STANDARD, LONG, FLEETSIDE, WORK TRUCK UTILITY, BED, Very Good.

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    Click here to view more details1985 GMC G15/G1500 VAN Used Parking Lamp, Driver Side, L, Side Marker; (fender mtd), Very Good.

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    $27.00
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