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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+

Charging Valve Locations -> Domestic Light Trucks & Vans -> 2001-02
Vehicle: 2001 GMC Sierra 1500 4.8 V8 GAS

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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+.

Disc Brakes -> Delco Dual Piston Sliding Caliper -> Rotor, Replace
Vehicle: 2006 GMC Sierra 2500 HD SL 6.0 V8 GAS

  • Raise and support vehicle, then remove wheel and tire assemblies.
  • Compress caliper pistons until they bottom in bores using suitable clamp.
  • Remove calip...

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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 -> Fuel Filter Replacement -> 6.5L Diesel Engine
Vehicle: 1997 GMC Yukon 6.5 V8 DIESEL

On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."

On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Prior to reconnecting the connector, apply a few drops of clean motor oil to the male pipe ends.

On models equipped with plastic collar quick disconnect connectors, squeeze the connector plastic retainer release tabs to release the connector. Prior to reconnecting the connector, apply a few drops of clean motor...

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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 -> Front -> Front, All Except NP8 Axle -> Front, NP8 Axle -> One Piece Driveshaft -> Rear -> Three Piece Driveshaft -> Two Piece Driveshaft
Vehicle: 2000 GMC C3500 Pickup 5.7 V8 GAS

Front

Front, All Except NP8 Axle
  • Raise and support vehicle.
  • Remove front differential carrier shield, if used.
  • Reference mark relationship of propeller shaft to front axle and transfer case flange.
  • Remove bolts and retainers from front axle.
  • Remove bolts and retainers from transfer case.
  • Remove propeller shaft. When removing propeller shaft, do not attempt to remove shaft by pounding on yoke ears or using a tool between yoke and universal joint. If propeller shaft is removed by using such means, injection joints may fracture and lead to premature failure of joint.
  • Compress propeller...

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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+.

Relearn Procedures
Vehicle: 2006 GMC Sierra 3500 SL 6.6 V8 DIESEL

  • Apply the Parking brake, then place the ignition switch in the On position.
  • Cycle the headlamp switch from Off to Parking Lamp position 4 times within 4 seconds.
  • The horn should chirp twice and the low tire pressure warning indicator should begin to flash indicating the system is in the learn mode.
  • If GM tool No. J-46079 or equivalent is available, starting with the left front tire, hold the antenna of the tool No. J-46079 near the valve stem on the wheel, then press the activate button and wait for the horn to chirp.
  • If the tool is not available, starting with the left front tir...

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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: 1990 GMC C1500 Pickup Sierra XC 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...

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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: 2001 GMC Sierra 1500 4.8 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 -> Diesel Engine Water In Fuel Or Drain Fuel Filter Warning Lamp ->
Vehicle: 1990 GMC K2500 Pickup Sierra 6.2 V8 DIESEL

The "Water in Fuel" indicator will light when excessive water has entered the fuel system. A low pressure sensor activates the lamp as the fuel filter becomes plugged. The lamp will light during engine starting as a bulb check.

Once engine has started, the lamp should go Off. If the lamp is lit intermittently or remains lit, drain fuel filter. If the lamp still remains On after fuel filter has been drained, replace fuel filter. If lamp is lit during high speed opera...

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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+

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1990 GMC G15/G1500 VAN Rally 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...

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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: 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 ...

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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+.

Auxiliary Battery/Relay Wiring Diagram for 1993 GMC K3500 Pickup Sierra XC 7.4 V8 GASAuxiliary Battery/Relay Wiring Diagram for 1993 GMC K3500 Pickup Sierra XC 7.4 V8 GAS

Components on diagram:
  • Convenience Center
  • Auxiliary Battery Relay
  • Auxiliary Battery
  • Ground G-101
  • Battery Junction Block
  • Rear Window Wiper Switch Diagram for 2005 GMC Yukon XL 2500 SLT 6.0 V8 GASRear Window Wiper Switch Diagram for 2005 GMC Yukon XL 2500 SLT 6.0 V8 GAS

    Components on diagram:
  • Wiper/Washer Switch
  • Multifunction Accessory Switch
  • Air Deflector Housing
  • 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.

    1998 GMC C1500 Suburban  6.5 V8 DIESEL Wiring Diagram1998 GMC C1500 Suburban 6.5 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Radio
  • 2001 GMC Savana 3500  8.1 V8 GAS Wiring Diagram2001 GMC Savana 3500 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Powertrain 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: FRONT SEAT ARMREST HINGE BREAKING
    Vehicle: 2004 GMC Yukon 5.3 V8 FLEX

    Auto Systems:
  • Seats, Belts, Interior Trim, Carpets, Air Bags
  • Document: NAVIGATION RADIO DIAGNOSTIC QUESTIONNAIRES FOR WARRANTY EXCHANGES THROUGH PQC PARTS RESTRICTION PROCESS - REVISED
    Vehicle: 1990 GMC Tracker 1.6 L4 GAS

    Auto Systems:
  • Aux Equip, Phone, Jacks, Trailer Hitches, Towing
  • Entertainment: Stereo, Radio, Cassettes
  • 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 details1997 GMC K1500 Fuel Pump, A high quality, direct fit OE replacement fuel pump; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $77.57

    Click here to view more details about 2000 GMC Yukon Door Handle, Front, Passenger Side2000 GMC Yukon Door Handle, Front, Passenger Side, With keyhole; A high quality, OE replacement door handle; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $18.05

    Click here to view more details about 2013 GMC Pickup Sierra 17" x 7.5" Steel Wheel2013 GMC Pickup Sierra 17" x 7.5" Steel Wheel, Steel Wheel; 17 X 7.5; 31MM Offset; 8 Round Vents; 6 Lug; 6.5 Inch BP; Ident UTX; Black, , .

    Source: Wheels / Rims, Mirrors & Lights Store

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    Click here to view more details about 1997 GMC G25/G2500 Van Savana V8, 5.7 L, 350 CID Rebuilt Engine1997 GMC G25/G2500 Van Savana V8, 5.7 L, 350 CID Rebuilt Engine, Roller cam, 2-bolt main, block #880, head #906, valve cover bolts thru center of cover, plastic timing cover with crank sensor. Vortec, Warranty: 3-Year/100,000 Mile, .

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    Click here to view more details1973 GMC C15/C1500 Pickup Used Headlamp Door/Cover, Driver Side, CHROME, Very Good.

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    $37.00

    Click here to view more details1979 GMC C1500 Suburban Used Upper Control Arm, Passenger Side, 2410182, NEW AFTERMARKET, Very Good.

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    $130.00
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