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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+

    Compressor Service -> Harrison HD6/HT6 Compressor -> Compressor Clutch Service -> Clutch Coil, Replace -> Clutch Plate & Hub, Replace -> Clutch Pulley & Bearing, Replace -> Installation -> Removal
    Vehicle: 1999 GMC C3500 Pickup 5.7 V8 GAS

    Clutch Plate & Hub, Replace

    Service procedures given are for compressor removed and mounted in suitable holding fixture. However, on most applications, compressor clutch components can be serviced without removing compressor or recovering refrigerant from system. If refrigerant recovery becomes necessary, refer to "General Service" for procedure.

    To prevent serious internal compressor damage, when removing or installing clutch components, never apply pressure directly to the compressor shaft. Always use a suitable shaft protector.

    Removal

    Refer to Fig. when performing compr...

    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+.

    Hydraulic Brake Systems -> Component Replacement -> Master Cylinder
    Vehicle: 2006 GMC Sierra 1500 WT 5.3 V8 GAS

    Master Cylinder

    • On models equipped with manual brake system,disconnect master cylinder pushrod from brake pedal.
    • On all models, disconnect all wire con...

    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 Pressure Relief -> Except Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Tracker & Uplander -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
    Vehicle: 2004 GMC Yukon XL 2500 6.0 V8 GAS

    Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

    Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.

    After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strategy.

    Engines Less Fuel Pressure ...

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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: 1991 GMC C1500 Pickup Sierra 5.0 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...

    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+.

    Reset Procedures
    Vehicle: 2006 GMC Sierra 3500 WT 6.6 V8 DIESEL

    When the TPMS detects a significant loss of tire pressure, the CHECK TIRE PRESSURE message is displayed on the DI...

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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: 2009 GMC Savana 1500 5.3 V8 FLEX

    • Disconnect battery ground cable.
    • Raise and support vehicle.
    • Remove right transmission cover bolt, if equipped.
    • Disconnect oil level sensor electrical connector.
    • Remove starter bolts.
    • Slide starter forward until starter clears transmission.
    • Remove starter solenoid nut.
    • Remove starter lead from solenoid stud.
    • Rem...

    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: 2006 GMC Sierra 3500 WT 6.6 V8 DIESEL

    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/Service Engine Soon Indicator Lamp -> Electronic Engine Controls Or Electronic Fuel Injection Except Tracker
    Vehicle: 1993 GMC Sonoma 4.3 V6 GAS

    The Check Engine/Service Engine Soon Lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a problem and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM/PCM memory can be cleared of codes either by using a scan tool (OBD II systems) or by disconnecting the battery ground ca...

    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 -> Inlet -> Outlet
    Vehicle: 1991 GMC C1500 Pickup Sierra 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: 1993 GMC C2500 Pickup Sierra XC 5.0 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+.

    Outside Air Temperature Sensor Diagram for 2001 GMC Sierra 1500  5.3 V8 GASOutside Air Temperature Sensor Diagram for 2001 GMC Sierra 1500 5.3 V8 GAS

    Components on diagram:
  • Forward Lamp Harness
  • Radiator Support
  • Ambient Light Sensor Connector
  • Front Bumper Filler
  • Cruise Control Components  Diagram for 1990 GMC Safari  4.3 V6 GASCruise Control Components Diagram for 1990 GMC Safari 4.3 V6 GAS

    Components on diagram:
  • Cruise Control Servo
  • Connector C171
  • 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.

    1995 GMC C3500 Pickup Sierra 5.7 V8 GAS Wiring Diagram1995 GMC C3500 Pickup Sierra 5.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Convenience Center
  • Left Door Jamb Switch
  • Safety Belt Retractor Switch
  • 2006 GMC Sierra 2500 HD SLT 6.6 V8 DIESEL Wiring Diagram2006 GMC Sierra 2500 HD SLT 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Rear Seat Entertainment Assembly
  • 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: RADIO FREQUENCY INTERFERENCE (RFI) IDENT & DIAG
    Vehicle: 1985 GMC K35/K3500 Pickup 7.4 V8 GAS

    Auto Systems:
  • Entertainment: Stereo, Radio, Cassettes
  • Document: WARRANTY - EXPEDITING PARTS
    Vehicle: 1995 GMC K2500 Suburban 5.7 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • 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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    $128.64

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    Source: Auto Body Parts Store

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