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1992 GMC G25/G2500 VAN 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!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1992 GMC G25/G2500 VAN AUTOMOBILES
General Service Domestic Vehicles -> 1992-93 -> Exercise System
Vehicle: 1992 GMC G25/G2500 VAN Rally 4.3 V6 GAS
An important fact most car owners ignore is that the A/C system must be used periodically. Car manufacturers caution that when the air conditioner is not used regularly, particularly during cold months, it should be turned on for a few minutes once every two or three weeks while the engine is running. This keeps the system in good operating condition.
Checking out the system for the effects of disuse before the onset of summer is one of the most important asp...
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BRAKE SERVICE PROCEDURES FOR 1992 GMC G25/G2500 VAN AUTOMOBILES
Anti-lock Brakes -> Rear Wheel Anti-Lock Brake System -> Description -> 1992 -> 1993 S & T Series -> 1993-94 C & K Series & 1994-95 S & T Series
Vehicle: 1992 GMC G25/G2500 VAN Vandura 4.3 V6 GAS
1992
The Rear Wheel Anti-Lock (RWAL) system, Fig. , reduces the occurrence of rear wheel lockup during severe braking by regulating rear hydraulic line pressure. Pressure applied to the rear wheel brakes is regulated by a control valve assembly located under the master cylinder. The control valve consists of a dump valve which releases hydraulic pressure into an accumulator, and an isolation valve which holds rear brake pressure. Operation of the dump valve and isolation valve is controlled by an Electronic Control Unit (ECU) which is mounted next to the master cylinder.
The ECU rec...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1992 GMC G25/G2500 VAN AUTOMOBILES
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> 6.2L Diesel Engine
Vehicle: 1992 GMC G25/G2500 VAN Vandura 6.2 V8 DIESEL
On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."
On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Prior to reconnecting the connector, apply a few drops of clean motor oil to the male pipe ends.
On models equipped with plastic collar quick disconnect connectors, squeeze the connector plastic retainer release tabs to release the connector. Prior to reconnecting the connector, apply a few drops of clean motor...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1992 GMC G25/G2500 VAN AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 1992 GMC G25/G2500 VAN Rally 6.2 V8 DIESEL
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 1992 GMC G25/G2500 VAN AUTOMOBILES
Starter, Replace
Vehicle: 1992 GMC G25/G2500 VAN Rally 4.3 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove starter to engine brace and heat shields, if equipped.
- Remove starter motor mounting bolts and lower ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1992 GMC G25/G2500 VAN AUTOMOBILES
General Motors Corp./Saturn Trucks -> Low Coolant Lamp ->
Vehicle: 1992 GMC G25/G2500 VAN Vandura 4.3 V6 GAS
This lamp should light when engine coolant level in the radiator drops below a predetermined le...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1992 GMC G25/G2500 VAN AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1992 GMC G25/G2500 VAN Rally 6.2 V8 DIESEL
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 1992 GMC G25/G2500 VAN AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1992 GMC G25/G2500 VAN Vandura 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 1992 GMC G25/G2500 VAN AUTOMOBILES
Component location diagrams for most 1992 GMC G25/G2500 VAN cars and light trucks sold in the U.S. from 1990+.
Cruise Control System & Multi-Function Lever Diagram for 1992 GMC G25/G2500 VAN Vandura 5.0 V8 GAS Components on diagram: |
Engine Components Diagram for 1992 GMC G25/G2500 VAN Rally 4.3 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1992 GMC G25/G2500 VAN AUTOMOBILES
OEM drawn wiring diagrams for most 1992 GMC G25/G2500 VAN cars and light trucks sold in the U.S.
1992 GMC G25/G2500 VAN Rally 5.7 V8 GAS Wiring Diagram Components on diagram: |
1992 GMC G25/G2500 VAN Rally 6.2 V8 DIESEL Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1992 GMC G25/G2500 VAN AUTOMOBILES
OEM TSB listings for most 1992 GMC G25/G2500 VAN cars and light trucks sold in the U.S. from 1985+.
Document: Car and Truck Fix It Right the First Time Issues Vehicle: 1992 GMC G25/G2500 VAN Rally 4.3 V6 GAS Auto Systems: |
Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1992 GMC G25/G2500 VAN Rally 4.3 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1992 GMC G25/G2500 VAN AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1992 GMC G25/G2500 VAN 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 1992 GMC G25/G2500 VAN 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 1992 GMC G25/G2500 VAN 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 1992 GMC G25/G2500 VAN 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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