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GMC C2500 Suburban 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 C2500 Suburban 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 C2500 Suburban automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR GMC C2500 Suburban 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 C2500 Suburban cars and light trucks from 1990+
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Compressor, Replace -> Astro & Safari -> Bravada, S & T Series -> C & K Series -> G & P Series -> Montana, Silhouette, Trans Sport & Venture -> Tracker
Vehicle: 1998 GMC C2500 Suburban 5.7 V8 GAS
Astro & Safari
- Recover refrigerant as outlined under .
- Remove the engine cover, then disconnect electrical connectors from compressor and clutch.
- Loosen idle pulley and disconnect compressor drive belt.
- Remove compressor manifold attaching bolt and manifold from rear of compressor, then cap all connections.
- Remove carburetor vacuum break to provide clearance, if necessary.
- Remove bolts securing compressor to mounting bracket, then compressor, Fig. .
- Reverse procedure to install, using new O-rings when installing manifold.
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BRAKE SERVICE PROCEDURES FOR GMC C2500 Suburban AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC C2500 Suburban cars and light trucks from 1990+.
Power Brake Units -> Bendix Brake Booster -> Power Brake Unit Replacement -> Astro & Safari -> C & K Series -> G Series -> P Series
Vehicle: 1999 GMC C2500 Suburban 7.4 V8 GAS
Astro & Safari
- Apply parking brake.
- Disconnect reservoir and power steering hoses from booster.
- Remove master cylinder to brake booster retaining nuts.
- Position and support master cylinder away from booster. Do not remove hydraulic lines from master cylinder.
- Remove booster rod from top of brake pedal.
- Remove booster mounting nuts from inside of vehicle.
- Remove booster assembly and gasket.
- Reverse procedure to install, noting the following:
- Torque booster mounting nuts to 27 ft. lbs.
- Torque master cylinder retaining nuts to 27 ft. lbs.
- Torque power steering hoses to booster n...
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FUEL FILTER REPLACEMENT PROCEDURES FOR GMC C2500 Suburban AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported GMC C2500 Suburban 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: 1997 GMC C2500 Suburban 6.5 V8 DIESEL
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 C2500 Suburban AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC C2500 Suburban cars and light trucks from 1990+.
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 1996 GMC C2500 Suburban 7.4 V8 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 C2500 Suburban AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported GMC C2500 Suburban cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 1999 GMC C2500 Suburban 5.7 V8 GAS
- Disconnect battery ground cable.
- Remove air inlet duct, if required.
- Disconnect terminal plug and battery lead connections from back of alternator.
- Remove upper fan shroud mounting bolts and fan shroud.
- Remove accessory drive belt using suitable 3/8 i...
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MAINTENANCE LAMP RESET PROCEDURES FOR GMC C2500 Suburban AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC C2500 Suburban cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> StabiliTrak Control System Warning Lamp ->
Vehicle: 1999 GMC C2500 Suburban 6.5 V8 DIESEL
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 C2500 Suburban AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC C2500 Suburban cars and light trucks from 1990+
Radiator, Replace
Vehicle: 1997 GMC C2500 Suburban 7.4 V8 GAS
- Drain radiator coolant into suitable container.
- Remove upper and lower radiator hoses.
- Remove mounting bolts and lower fan shroud.
- Remove engine vent hose and surge take hose.
- Disconnect engine o...
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SERPENTINE BELT SERVICE PROCEDURES FOR GMC C2500 Suburban AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC C2500 Suburban cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1994 GMC C2500 Suburban 6.5 V8 DIESEL
- Rotate tensioner to release belt tension, using a 1/2 inch breaker bar with a 5/8 inch socket placed on tensioner pulley.
- Remove drive belt.
- Route b...
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COMPONENT LOCATION DIAGRAMS FOR GMC C2500 Suburban AUTOMOBILES
Component location diagrams for most GMC C2500 Suburban cars and light trucks sold in the U.S. from 1990+.
 A/C Components Diagram for 1999 GMC C2500 Suburban 6.5 V8 DIESELComponents on diagram: |
 ECM Wiring Diagram for 1993 GMC C2500 Suburban 5.7 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR GMC C2500 Suburban AUTOMOBILES
OEM drawn wiring diagrams for most GMC C2500 Suburban cars and light trucks sold in the U.S.
 1998 GMC C2500 Suburban 6.5 V8 DIESEL Wiring DiagramComponents on diagram: |
 1995 GMC C2500 Suburban 5.7 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC C2500 Suburban AUTOMOBILES
OEM TSB listings for most GMC C2500 Suburban cars and light trucks sold in the U.S. from 1985+.
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Document: INFORMATION ON TIRE RADIAL FORCE VARIATION (RFV) - REVISED Vehicle: 1994 GMC C2500 Suburban 7.4 V8 GAS Auto Systems: |
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Document: WARRANTY - ELECTRONIC EXCHANGE PROGRAM CHANGES - REVISED Vehicle: 1996 GMC C2500 Suburban 5.7 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR GMC C2500 Suburban AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC C2500 Suburban 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 C2500 Suburban 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 C2500 Suburban 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 C2500 Suburban 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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