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

Auto Parts Search


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+

Drive Belt Data -> Domestic Light Trucks & Vans -> 1992-95
Vehicle: 1993 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+.

ANTI-LOCK BRAKES, GENERAL MOTORS -> Rear Wheel Anti-Lock Brake System -> SYSTEM SERVICE -> ELECTRONIC CONTROL UNIT (ECU) -> Except G, R, P & V Models -> G, R, P & V Models -> ISOLATION/DUMP VALVE ASSEMBLY -> SPEED SENSOR -> SPEEDOMETER CALIBRATION
Vehicle: 1991 GMC K1500 Pickup Sierra XC 4.3 V6 GAS

ELECTRONIC CONTROL UNIT (ECU)

Do not touch electrical connections and pins or allow them to come into contact with brake fluid.

  • Disconnect battery ground cable.
  • Disconnect electrical connectors from ECU.
  • Pry up tab at rear of ECU and remove unit toward front of vehicle.
  • Slide unit into bracket until tab locks into hole.
  • Inspect electrical connectors for brake fluid contamination, clean with alcohol as needed, then connect electrical connectors to ECU.

ISOLATION/DUMP VALVE ASSEMBLY

  • Disconnect brake lines from control valve, the plug lines and open fittings.
  • Remove bolts (25) securing...

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 -> Fuel Filter Scheduled Maintenance -> 1988-06 C/K, G & R/V Series w/Diesel Engines -> Normal Service -> Severe Service
Vehicle: 1997 GMC K3500 Pickup Sierra XC 6.5 V8 DIESEL

Normal Service

Repl...

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 U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 1995 GMC C2500 Pickup Sierra 7.4 V8 GAS

Never clamp propeller shaft tubing in a vise. Clamping could dent or deform the tube causing an imbalance or unsafe condition. Always clamp on one of the yokes and support the shaft horizontally. Avoid damaging the slip yoke sealing surface. Nicks may damage the bushing or cut the lip seal.

Disassemble

  • Support propeller shaft in a line horizontal with table of a press.
  • Mark propeller shaft in order to show which end connects to transmission and which end goes to rear axle.
  • On models equipped with external snap ring retainers, proceed as follows:
    • Disassemble snap rings by ...

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 Locations
Vehicle: 2008 GMC Canyon SLE 2.9 L4 GAS

Refer to F...

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+.

Starter, Replace
Vehicle: 2004 GMC Safari 4.3 V6 GAS

  • Disconnect battery ground cable.
  • Raise and support vehicle.
  • Remove starter motor to engine mounting bolts, shims and lower starter motor.
  • Re...

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: 2005 GMC Yukon SLE 5.3 V8 FLEX

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 -> Service Four Wheel Drive (4WD) System Warning Lamp ->
Vehicle: 2005 GMC Canyon Z71 SL 3.5 L5 GAS

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

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2000 GMC Savana 3500 7.4 V8 GAS

Lower

  • Drain cooling system into a suitable container.
  • Reposition hose clamp from radiator.
  • Remove radiator outlet hose from radiator.
  • Reposition hose clamp from water pump.
  • Remove radiator outlet hose from water pump and from vehicle.
  • Reverse procedure to install.

Upper

  • Drain co...

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: 2009 GMC Sierra 1500 SLE 5.3 V8 GAS

  • Rotate tensioner clockwise to release belt tension using suitable wrench, then remove belt.
  • Route belt over pulleys excep...

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+.

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
  • Rear Body Components Diagram for 2007 GMC Yukon XL 1500 SLT 5.3 V8 FLEXRear Body Components Diagram for 2007 GMC Yukon XL 1500 SLT 5.3 V8 FLEX

    Components on diagram:
  • Defogger Grid
  • Remote Control Door Lock Receiver
  • Information Center Telltale Assembly
  • 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.

    2001 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2001 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • HVAC Control Module
  • Recirculation Actuator
  • 2002 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2002 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Mode Actuator
  • HVAC Control Module
  • Recirculation Actuator
  • Right Air Temperature Actuator
  • Defrost Actuator
  • 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 LABOR OPS - SHOCKS & STRUTS
    Vehicle: 1990 GMC V3500 Pickup 6.2 V8 DIESEL

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: Groan, Clunk or Bump Noise From Launch Or At Stop
    Vehicle: 2009 GMC Sierra 3500 HD SLT 6.6 V8 DIESEL

    Symptoms:
  • Noise
  • Auto Systems:
  • Brakes, Power Brakes, Traction Control
  • Drive Axles, Shafts, U-Joints, CV-Joints
  • 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 2010 GMC Yukon Side Skirts, Driver Or Passenger Side2010 GMC Yukon Side Skirts, Driver Or Passenger Side, Made From Tough And Durable Urethane, Features A Custom Fit Design That Is Perfect For Your Vehicle, Paintable To Perfectly Match Your Vehicle's Color, Easy Installation, With Limited Manufacturer's Warranty.

    Source: Auto Body Parts Store

    $379.36

    Click here to view more details1993 GMC K1500 Serpentine Belt, 94.1 in. effective length, 0.82 top width, 6 ribs; A high quality, direct fit OE replacement serpentine belt; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $30.75

    Click here to view more details2002 GMC Pickup Fullsize C/K 15" x 6" Steel Wheel, Steel Wheel; 15 X 6; Solid Disc; 5 Lug; 5 Inch BP; Ident RAK; Black Full Face, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $69.50

    Click here to view more details about 1988 GMC P35/P3500 Van V8, 5.7 L, 350 CID Rebuilt Engine1988 GMC P35/P3500 Van V8, 5.7 L, 350 CID Rebuilt Engine, Flat lifters 4-bolt main, block #548. head #261, one piece rear main seal, valve cover held on by four bolts around outside edge., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,217.00

    Click here to view more details1988 GMC C2500 Pickup Used Rear Axle Assembly, 5.7, AUTO, 4X2 4x2; semi-floating, 6 lug whl, 3.73 ratio (opt GT4), Very Good.

    Source: Used Auto Parts Store

    $624.00

    Click here to view more details2009 GMC Acadia Used Cooling Fan Assembly, Fan Assm, Very Good.

    Source: Used Auto Parts Store

    $145.00
    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