Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

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!

Help me findSearch

Select Model

1000 Series1500 Series2500 SeriesAcadia
C1000 PickupC15/C1500 PickupC15/C1500 SuburbanC1500 Pickup
C1500 SuburbanC25/C2500 PickupC25/C2500 SuburbanC2500 Pickup
C2500 SuburbanC35/C3500 PickupC3500 PickupCaballero
CanyonEnvoyG1000 SeriesG15/G1500 VAN
G25/G2500 VANG35/G3500 VANG3500Jimmy
K1000 PickupK15/K1500 PickupK15/K1500 SuburbanK1500 Pickup
K1500 SuburbanK25/K2500 PickupK25/K2500 SuburbanK2500 Pickup
K2500 SuburbanK35/K3500 PickupK3500 PickupP15/P1500 VAN
P25/P2500 VANP35/P3500 VANPB1000 SeriesPB15 Series
PB1500 SeriesPB25 SeriesPB2500 SeriesPV1000
R1500 PickupR1500 SuburbanR2500 PickupR2500 Suburban
R3500 PickupS15 JimmyS15 PickupSafari
Savana 1500Savana 2500Savana 3500Sierra 1500
Sierra 1500 HDSierra 2500Sierra 2500 HDSierra 3500
Sierra 3500 HDSierra C3Sierra DenaliSonoma
SprintSuburbanSycloneTerrain
TrackerTruckTyphoonV1500 Pickup
V1500 SuburbanV2500 PickupV2500 SuburbanV3000 Forward Control
V3500 PickupYukonYukon DenaliYukon Denali XL
Yukon XL 1500Yukon XL 2500

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+

Manual Air Conditioning & Heater System Diagnosis & Testing -> Light Duty Trucks & Vans -> HEATER SYSTEM DIAGNOSIS & TESTING -> ASTRO, SAFARI, C, G, K, P, S & T SERIES -> Heater Functional Check -> Heater Functional Test -> Insufficient Heater Or Defrosting -> Insufficient Heating Or Defrosting -> LUMINA APV & TRANS SPORT -> TRACKER
Vehicle: 1992 GMC K3500 Pickup Sierra 6.5 V8 DIESEL

ASTRO, SAFARI, C, G, K, P, S & T SERIES

Heater Functional Test

Before starting the functional test, the vehicle should be idling with coolant hot and thermostat open. Coolant temperature should be approximately 194°F.

  • Cycle the temperature lever to the extreme ends of travel in control assembly to ensure cable is properly adjusted.
  • Set mode lever to VENT position.
    • Air equal in temperature to outside air should be discharged from the instrument panel outlets.
    • Air should not blow from floor outlets, defroste...

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 -> Power Brake Unit Service
Vehicle: 2007 GMC Sierra 2500 HD WT 6.0 V8 GAS

The power brake unit is n...

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 Silverado & Sierra
Vehicle: 2001 GMC Sierra 2500 HD 8.1 V8 GAS

Refer ...

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 -> One Piece Driveshaft -> Three Piece Driveshaft -> Two Piece Driveshaft
Vehicle: 1992 GMC C2500 Pickup Sierra 4.3 V6 GAS

One Piece Driveshaft
  • Reference mark propeller shaft to pinion flange connection.
  • Reference mark slip yoke to transmission for proper reassembly.
  • When servicing driveshafts with pop on seal, do not remove seal from sleeve. Removal of seal causes damage to seal lip where it contacts sleeve yoke. If removal of seal is necessary, replace seal with a new unit.
  • Remove bolts.
  • Remove retainers.
  • Remove yoke and cross assembly, wrapping bearing cups with tape in order to prevent loss of bearing rollers. When removing propeller shaft, do not attempt to remove shaft by pounding on yoke ears o...

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+.

Component Replacement -> Installation -> Removal -> Tire Pressure Indicator Sensor
Vehicle: 2008 GMC Savana 3500 LT 6.0 V8 GAS

Tire Pressure Indicator Sensor

Each tire pressure sensor has an internal power supply which has a service life of 10 years.

Removal
  • Loosen the lug nuts.
  • Raise and support vehicle with jack stands, then remove the wheel and tire assembly.
  • Prior to dismounting the tire from the wheel, note the following precautions:
    • Position the bead breaking fixture 90° from the valve stem when separating the tire bead from the wheel.
    • Place the mounting and dismounting head so that the tire iron or pry bar can be inserted slightly clockwise of the sensor body when prying the tire bead up and over ...

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: 1992 GMC K2500 Pickup Sierra 6.2 V8 DIESEL

  • 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 mount...

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 2500 HD Classic SLE 6.0 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 -> Check Engine Oil Level ->
Vehicle: 1997 GMC K3500 Pickup Sierra 5.7 V8 GAS

This system is used to indicate a low engine oil level condition. The lamp should light during engine starting. If oil level is sufficient, the lamp should go off when engine is operating. If oil level is low the...

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 -> Bypass -> Inlet -> Outlet
Vehicle: 2002 GMC Savana 2500 4.3 V6 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Remove upper fan shroud.
  • Remove accumulator.
  • Reposition heater core inlet hose clamp at coolant bypass valve.
  • Remove hose from coolant bypass valve.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from heater core.
  • Remove hose from vehicle.
  • Reverse procedure to install.

Outlet

  • Drain cooling system into a suitable container.
  • Remove upper fan shroud.
  • Remove accumulator.
  • Reposition heater hose ou...

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: 1997 GMC C3500 Pickup Sierra 7.4 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+.

Center of the I/P-Accessory Switches Diagram for 2004 GMC Yukon  5.3 V8 FLEXCenter of the I/P-Accessory Switches Diagram for 2004 GMC Yukon 5.3 V8 FLEX

Components on diagram:
  • Instrument Panel
  • Fog Lamp Switch
  • Roof Beacon Switch
  • Accessory Switch Housing
  • LH Side Of Engine   Diagram for 1990 GMC R3500 Pickup  7.4 V8 GASLH Side Of Engine Diagram for 1990 GMC R3500 Pickup 7.4 V8 GAS

    Components on diagram:
  • Water Temperature Sensor
  • Oxygen Sensor
  • Oil Pressure Switch
  • Windshield Wiper Motor
  • Coolant Temperature 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.

    1993 GMC Safari XT 4.3 V6 GAS Wiring Diagram1993 GMC Safari XT 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Convenience Center
  • Rear Defogger Switch
  • Timer Relay
  • 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: WARRANTY - MIDTRONICS CODE GENERATED BY J 42000 OR J 42000EU BATTERY TESTER REQUIRED FOR CLAIM PROCESSING ON LABOR OPERATION NO11O
    Vehicle: 1997 GMC C2500 Suburban 6.5 V8 DIESEL

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: TIRE SIDEWALL DAMAGE
    Vehicle: 1988 GMC G15/G1500 VAN Rally 4.3 V6 GAS

    Auto Systems:
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • 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 2005 GMC Yukon Parking Light, Passenger Side2005 GMC Yukon Parking Light, Passenger Side, Bulbs not included; DOT and SAE approved; A high quality, OE replacement parking light; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $51.53

    Click here to view more details about 2005 GMC Yukon Bumper Bracket, Front, Driver Side2005 GMC Yukon Bumper Bracket, Front, Driver Side, A high quality, OE replacement bumper brace bracket; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $6.82

    Click here to view more details about 2007 GMC Envoy Aftermarket Center Cap2007 GMC Envoy Aftermarket Center Cap, Aftermarket Center Cap;Replica W5143;Finish Polish W/Silver; Set APP./4, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $76.50

    Click here to view more details1983 GMC Caballero V6, 3.8 L, 231 CID Rebuilt Engine, RWD, 14 bolt pan, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,280.00

    Click here to view more details2004 GMC Canyon Used Hub Bearing , Driver Side, FRONT; 4X4, L., Very Good.

    Source: Used Auto Parts Store

    $130.00

    Click here to view more details2001 GMC Sierra 1500 Used Bumper Cover, Front, 12479754-P, Good.

    Source: Used Auto Parts Store

    $247.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your GMC vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find