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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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1000 Series1500 Series2500 SeriesAcadia
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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+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 1998 GMC K2500 Pickup 5.7 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+.

Power Brake Units -> Delco Brake Booster -> Power Brake Unit Service
Vehicle: 2000 GMC C3500 Pickup 6.5 V8 DIESEL

The power brake unit is n...

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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 -> Gasoline Engines Except Equinox, Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Uplander & Vue (2004-06) & 2004-06 Envoy, Rainier & TrailBlazer -> Returnless Fuel System
Vehicle: 1990 GMC G35/G3500 VAN Rally 7.4 V8 GAS

Returnless Fuel System

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. Pri...

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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+.

CV AXLE SHAFT, Replace
Vehicle: 2000 GMC Sierra 1500 4.8 V8 GAS

  • Raise and support vehicle.
  • Remove wheel and tire assembly.
  • Remove drive axle center cap, if equipped.
  • Insert a drift or large screwdriver through brake caliper into one of the brake rotor vanes in order to prevent drive axle wheel drive shaft from turning.
  • Remove nut and washer from hub. Do not reuse nut. A new nut must be used when installing wheel drive shaft.
  • Using axle remover tool No. J 45859 or equivalent, press wheel drive shaft from hub.
  • Remove bolts securing wheel dr...

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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+.

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

Refer to Figs. through for w...

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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+.

Starter, Replace
Vehicle: 1997 GMC C2500 Pickup Sierra 6.5 V8 DIESEL

  • Disconnect battery ground cable.
  • Raise and support vehicle.
  • Disconnect starter battery positive cable and wiring harness.
  • Remove starter motor mounting bolts, then washers, then bracket nut and washer.
  • Remove star...

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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 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...

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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 -> Check Engine Oil Level ->
Vehicle: 1998 GMC K3500 Pickup 7.4 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...

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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: 1990 GMC K3500 Pickup Sierra XC 6.2 V8 DIESEL

  • Drain cooling system into a suitable container.
  • Remove upper fan shroud.
  • Remove radiator hose inlet.
  • Remove radiator hose outlet.
  • Remove transmission oil cooler lines.
  • Remove overflow hose.
  • Remove ...

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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: 1998 GMC G35/G3500 VAN 6.5 V8 DIESEL

  • Rotate tensioner arm counterclockwise using 3/8 inch breaker bar.
  • Remove belt from pulleys.
  • Route new belt over all pulleys except tensioner arm.
  • Rotate tensioner arm co...

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 Module Diagram for 1994 GMC Yukon  6.5 V8 DIESELRear Window Wiper Module Diagram for 1994 GMC Yukon 6.5 V8 DIESEL

Components on diagram:
  • Rear Window Wiper Module
  • Connector C-406
  • Connector C-900
  • Grommet P-405
  • 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.

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

    Components on diagram:
  • Radio
  • 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: SPEC TOOL-J43435 STEER GEAR ADJUSTER LOCKNUT WRENCH
    Vehicle: 1992 GMC G15/G1500 VAN Vandura 4.3 V6 GAS

    Auto Systems:
  • Tools, Equipment
  • Document: SERVICE ENGINE SOON LIGHT - FALSE - PROMS REVISED
    Vehicle: 1987 GMC V2500 Pickup 5.7 V8 GAS

    Symptoms:
  • False Instrument Panel Indications
  • 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 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 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 details about 2009 GMC Envoy Door Handle Covers2009 GMC Envoy Door Handle Covers, Door Handle Covers; 4 Door; Without Passenger Side Keyhole, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $36.50

    Click here to view more details about 1995 GMC P35/P3500 Van V8, 5.7 L, 350 CID Rebuilt Engine1995 GMC P35/P3500 Van V8, 5.7 L, 350 CID Rebuilt Engine, Flat lifters, 4-bolt main, block #638, head #191, 193, valve cover bolts thru center of cover, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,332.00

    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 details1981 GMC C15/C1500 Pickup Used Parking Lamp, Driver Side, Very Good.

    Source: Used Auto Parts Store

    $24.00
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