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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+
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 G25/G2500 VAN Vandura 5.7 V8 GAS
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...
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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, GENERAL MOTORS -> Bendix Brake Boosters -> POWER BRAKE UNIT, Replace -> 1990-91 C & K SERIES -> ASTRO VAN & SAFARI VAN -> CABALLERO & EL CAMINO -> FULL SIZE EXCEPT 1990-91 C & K SERIES
Vehicle: 1991 GMC S15 Jimmy 4.3 V6 GAS
CABALLERO & EL CAMINO
Pump brake pedal several times with engine off to deplete accumulator of fluid.
- Remove two nuts attaching master cylinder to booster, then move master cylinder away from booster with brake lines attached.
- Remove three hydraulic lines from booster. Plug and cap all lines and outlets.
- Remove retainer and washer securing booster pushrod to brake pedal arm.
- Remove four nuts attaching booster unit to dash panel.
- From engine compartment, loosen booster from dash panel and move booster pushrod inboard until it disconnects from brake pedal arm. Remove spring wa...
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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 -> Component Locations -> 1999-06 Escalade, Avalanche & Denali, 1988-03 & C/K Pickup (Except 1999-03 Sierra & Silverado), 1992-06 Blazer, Jimmy, Hummer H2, SSR, Suburban, Yukon XL, Tahoe, Yukon, Bravada Gasoline Engines & 2004-06 Rainier, TrailBlazer & Envoy
Vehicle: 2005 GMC Yukon XL 1500 SLE 5.3 V8 GAS
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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: 1997 GMC K2500 Pickup Sierra 5.7 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...
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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+.
Starter, Replace
Vehicle: 1993 GMC K3500 Pickup Sierra XC 6.2 V8 DIESEL
- Disconnect battery ground cable.
- Remove starter braces or heat shields, if equipped.
- Disconnect starter solenoid electrical connectors.
- Raise and support vehicle.
- Remove at...
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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 -> StabiliTrak Control System Warning Lamp ->
Vehicle: 1993 GMC K2500 Suburban 5.7 V8 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warning...
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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+
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1995 GMC C2500 Suburban 7.4 V8 GAS
Inlet
- Remove air cleaner.
- Drain cooling system into a suitable container.
- Remove heater hose support clamp bolt.
- Reposition heater core inlet hose clamp at engine.
- Remove hose from engine.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Remove air cleaner.
- Drain cooling system into a suitable container.
- Remove heater hose support clamp bolt.
- Reposition heater hose...
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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: 2006 GMC Yukon SL 5.3 V8 GAS
- Rotate tensioner clockwise to release belt tension using suitable wrench, then remove belt.
- Route belt over pulleys excep...
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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+.
Instrument Panel Diagram for 2007 GMC Sierra 1500 SLT 5.3 V8 GAS Components on diagram: |
Body Components Diagram for 2007 GMC Sierra 1500 SLE 6.0 V8 GAS Components 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 Yukon 4.8 V8 GAS Wiring Diagram Components on diagram: |
2005 GMC Canyon Z85 SLE 2.8 L4 GAS Wiring Diagram Components 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+.
Document: INFORMATION FOR DEALERS ON HOW TO SUBMIT A FIELD PRODUCT REPORT - REVISED Vehicle: 2000 GMC Savana 2500 5.7 V8 GAS Auto Systems: |
Document: WARRANTY - CHANGES TO GENERAL MOTORS VEHICLE INQUIRY SYSTEM (GMVIS) Vehicle: 1996 GMC K3500 Pickup Sierra 5.7 V8 GAS 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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