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GMC CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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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!
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+
A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-2002 Chevrolet Astro & GMC Safari
Vehicle: 1993 GMC Safari XT 4.3 V6 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 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: 1994 GMC C1500 Suburban 5.7 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 -> Install -> Rear -> Remove
Vehicle: 2009 GMC Yukon XL 1500 SLT 5.3 V8 FLEX
Front
Remove
Before disassembly, observe and accurately reference mark all driveline components relative to the propeller shaft and axles. These items include the following components:
- Propeller shafts
- Wheel drive shafts
- Pinion flanges
- Output shafts
Assemble all components in the exact relationship to each other as they were prior to removal. Observe all published specifications and torque values, and any measurements obtained prior to disassembly.
- Raise and support vehicle.
- Remove transfer case shield, if equipped.
- If equipped with double clamp style boot, remove clamp at transfer ca...
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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+.
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+.
Alternator, Replace
Vehicle: 2005 GMC Savana 3500 4.8 V8 GAS
- Disconnect battery ground cable.
- Remove coolant reservoir and air cleaner.
- Remove upper fan shroud.
- Remove drive belt.
- Remove heater hose pipe from alternator and oil fill tubes from support bracket.
- Remove alternator ...
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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: 2002 GMC Yukon XL 2500 8.1 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 -> Service Four Wheel Drive (4WD) System Warning Lamp ->
Vehicle: 2002 GMC Sierra 2500 6.0 V8 CNG
This lamp should light for approximately 6-8 seconds when the ignition is turned On as a bulb check. If 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 C1500 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: 1995 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 ...
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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+.
Outside Moisture Sensor Diagram for 2006 GMC Envoy SLT 4.2 L6 GASComponents on diagram: |
Steering Column Diagram for 2007 GMC Sierra 1500 Classic SLE 4.8 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR GMC AUTOMOBILES
OEM drawn wiring diagrams for most GMC cars and light trucks sold in the U.S.
2002 GMC Envoy XL 4.2 L6 GAS Wiring DiagramComponents on diagram: |
2003 GMC Sierra 1500 HD 6.0 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC AUTOMOBILES
OEM TSB listings for most GMC cars and light trucks sold in the U.S. from 1985+.
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Document: RELEASE OF DEXRON VI AUTOMATIC TRANSMISSION FLUID (ATF) - REVISED Vehicle: 1987 GMC R1500 Pickup 5.0 V8 GAS Auto Systems: |
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Document: PERFORMANCE CHARACTERISTICS OF VEHICLES WITH ACCESSORY WHEEL/TIRE ASSEMBLIES INSTALLED AS "UPSIZED" TO ORIGINAL EQUIPMENT- REVISED Vehicle: 1991 GMC V1500 Suburban 6.2 V8 DIESEL Auto Systems: |
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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
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Outside Moisture Sensor Diagram for 2006 GMC Envoy SLT 4.2 L6 GAS
Steering Column Diagram for 2007 GMC Sierra 1500 Classic SLE 4.8 V8 GAS
2002 GMC Envoy XL 4.2 L6 GAS Wiring Diagram
2003 GMC Sierra 1500 HD 6.0 V8 GAS Wiring Diagram
