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GMC C1500 Pickup CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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A/C & HEATER SERVICE PROCEDURES FOR GMC C1500 Pickup 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 C1500 Pickup cars and light trucks from 1990+
Serpentine Drive Belt Routing -> Domestic Light Trucks & Vans -> General Motors Corp.
Vehicle: 1998 GMC C1500 Pickup 5.7 V8 GAS
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BRAKE SERVICE PROCEDURES FOR GMC C1500 Pickup AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC C1500 Pickup cars and light trucks from 1990+.
Disc Brakes -> Bendix Single Piston Sliding Caliper -> Tightening Specifications
Vehicle: 1994 GMC C1500 Pickup Sierra XC 4.3 V6 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR GMC C1500 Pickup AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported GMC C1500 Pickup cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 1988-95 C/K, G & R/V Series w/Gasoline Engine -> Heavy Duty Emissions -> Light Duty Emissions -> Normal Service -> Severe Service
Vehicle: 1990 GMC C1500 Pickup Sierra XC 5.7 V8 GAS
Light Duty Emissions
Normal Service
Replace every 60,000 miles
Severe Service
Rep...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR GMC C1500 Pickup AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC C1500 Pickup cars and light trucks from 1990+.
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 1990 GMC C1500 Pickup Sierra XC 4.3 V6 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 ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR GMC C1500 Pickup AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported GMC C1500 Pickup cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 1993 GMC C1500 Pickup Sierra 4.3 V6 GAS
- Disconnect battery ground cable.
- Disconnect terminal plug and battery lead from rear of alternator.
- Remove accessory drive belt.
- Remove alternator mounting bolts.
- Separate alternator from mount...
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MAINTENANCE LAMP RESET PROCEDURES FOR GMC C1500 Pickup AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC C1500 Pickup cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> Water In Fuel Or Drain Fuel Filter Warning Lamp -> Diesel Engine
Vehicle: 1997 GMC C1500 Pickup Sierra 6.5 V8 DIESEL
The Water In Fuel indicator should light when excessive water has entered the fuel system. As the fuel filter becomes plugged, a low pressure sensor activates the lamp. The lamp should light during engine starting as a bulb inspection. Once the engine has started, the lamp should go off. If the lamp is lit intermittently, drain fuel filter. If lamp remains lit, drain fuel filter. If the lamp still remains on after fuel filter has been drained, replace fuel filter. If lamp is lit dur...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC C1500 Pickup AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC C1500 Pickup cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1992 GMC C1500 Pickup Sierra XC 5.0 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 coolant pump.
- Remove radiator outlet hose from coolant pump and from vehicle.
- Reverse procedure...
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SERPENTINE BELT SERVICE PROCEDURES FOR GMC C1500 Pickup AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC C1500 Pickup cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1993 GMC C1500 Pickup Sierra XC 4.3 V6 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 C1500 Pickup AUTOMOBILES
Component location diagrams for most GMC C1500 Pickup cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR GMC C1500 Pickup AUTOMOBILES
OEM drawn wiring diagrams for most GMC C1500 Pickup cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC C1500 Pickup AUTOMOBILES
OEM TSB listings for most GMC C1500 Pickup cars and light trucks sold in the U.S. from 1985+.
Document: ENGINEERING INFORMATION (EI) PROCESS - REVISED Vehicle: 1992 GMC C1500 Pickup Sierra 4.3 V6 GAS Auto Systems: |
Document: LOW VOLTAGE DISPLAY ON IP GAUGE, LIGHTS DIM AT STOP LIGHTS, BATTERY DISCHARGED, NO START, SLOW CRANKING, DIM LIGHTS AT IDLE, LOW GENERATOR OUTPUT - REVISED Vehicle: 1992 GMC C1500 Pickup Sierra XC 6.2 V8 DIESEL Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR GMC C1500 Pickup AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC C1500 Pickup 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 C1500 Pickup 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 C1500 Pickup 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 C1500 Pickup 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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