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Chevrolet G2500 VAN CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet REPAIR SHOPS DON'T WANT YOU TO KNOW
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1998 |

A/C & HEATER SERVICE PROCEDURES FOR Chevrolet G2500 VAN 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 Chevrolet G2500 VAN cars and light trucks from 1990+
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable -> Oil Charge -> Product Compatibility
Vehicle: 1998 Chevrolet G2500 VAN 6.5 V8 DIESEL
Air Bag System Disarming & Arming
Refer to and for air bag system disarming and arming procedures.
Battery Ground Cable
Prior to service, disconnect battery ground cable and isolate as required.
Product Compatibility
Before replenishing refrigerant or refrigerant oil...
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BRAKE SERVICE PROCEDURES FOR Chevrolet G2500 VAN AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Chevrolet G2500 VAN cars and light trucks from 1990+.
Hydraulic Brake Systems -> Adjustments -> Height Sensing Proportioning Valve
Vehicle: 1998 Chevrolet G2500 VAN 5.0 V8 GAS
Height Sensing Proportioning Valve
The height sensing proportioning valve must be adjusted whenever the valve and/or linkage is disassembled or removed for service. In addition, adjustment should be checked if excessive front wheel lock-up is experienced with a lower than desired brake application rate when vehicle is at or near maximum GVWR.
- Raise and support vehicle, leave wheels on and allow axle to hang freely.
- Remove lever retaining nut and disconnect lever from valve shaft, Fig. .
- Rotate valve shaft to permit installation of correct adjustment gauge, Fig. , ensure D shaped ho...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Chevrolet G2500 VAN AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Chevrolet G2500 VAN 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: 1998 Chevrolet G2500 VAN 5.0 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 Chevrolet G2500 VAN AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Chevrolet G2500 VAN cars and light trucks from 1990+.
DRIVESHAFT, Replace -> One Piece Driveshaft -> Two Piece Driveshaft
Vehicle: 1998 Chevrolet G2500 VAN 4.3 V6 GAS
One Piece Driveshaft
- Raise and support vehicle.
- Mark rear universal joint to drive shaft flange.
- Remove retaining bolts and clamps.
- Remove propeller shaft from pinion drive flange.
- Remove propeller shaft from transmission/transfer case.
- Using tape or a rubber band, wrap the U-Joint bearing caps to ensure bearing caps do not separate from U-Joint.
- Reverse procedure to install, noting the following:
- Align reference marks made during removal.
- Torque yoke retainer bolts to 18 ft. lbs.
Two Piece Driveshaft
- Raise and support vehicle.
- Suppor...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Chevrolet G2500 VAN AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Chevrolet G2500 VAN cars and light trucks from 1990+.
Alternator, Replace -> Auxiliary -> Single Alternator
Vehicle: 1998 Chevrolet G2500 VAN 5.0 V8 GAS
Single Alternator
- Disconnect battery ground cable.
- Remove coolant reservoir and air cleaner.
- Remove upper fan shroud.
- Remove drive belt, using suitable removal tool.
- Remove heater hose pipe from alternator and oil fill tubes from support bracket.
- Remove alternator mounting bolts, then alternator from vehicle.
- Disconnect electrical connectors.
- Reverse procedure to install, noting the following:
- Torque front alternator mounting bolt to 37 f...
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MAINTENANCE LAMP RESET PROCEDURES FOR Chevrolet G2500 VAN AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Chevrolet G2500 VAN cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> StabiliTrak Control System Warning Lamp ->
Vehicle: 1998 Chevrolet G2500 VAN 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 Chevrolet G2500 VAN AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Chevrolet G2500 VAN cars and light trucks from 1990+
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1998 Chevrolet G2500 VAN 5.0 V8 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater core inlet hose clamp at thermostat housing.
- Remove hose from thermostat housing.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Drain cooling system into a suitable container.
- Reposition heater hose outlet clamp at heater core.
- Disconnect heater outlet hose ...
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SERPENTINE BELT SERVICE PROCEDURES FOR Chevrolet G2500 VAN AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Chevrolet G2500 VAN cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1998 Chevrolet G2500 VAN 6.5 V8 DIESEL
- Rotate tensioner arm counterclockwise using 3/8 inch breaker bar.
- Remove belt from pulleys.
- Route new belt over all pulleys except tensioner arm.
- Rotate tensioner arm co...
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COMPONENT LOCATION DIAGRAMS FOR Chevrolet G2500 VAN AUTOMOBILES
Component location diagrams for most Chevrolet G2500 VAN cars and light trucks sold in the U.S. from 1990+.
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![]() Components on diagram: |
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WIRING DIAGRAMS FOR Chevrolet G2500 VAN AUTOMOBILES
OEM drawn wiring diagrams for most Chevrolet G2500 VAN cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Chevrolet G2500 VAN AUTOMOBILES
OEM TSB listings for most Chevrolet G2500 VAN cars and light trucks sold in the U.S. from 1985+.
Document: ENGINE "TICKING" SOUND - 5.7L Vehicle: 1998 Chevrolet G2500 VAN 5.7 V8 GAS Symptoms: |
Document: INSPECTION OF ALL RELATED WIRING HARNESS CONNECTIONS WHEN DIAGNOSING MISC. DTC'S, INTERMITTENT DRIVEABILITY CONCERNS, HARD START, NO START, INCORRECT GAUGES, INOP A/C SYSTEMS, SES LAMPS LIT, 4WD LAMP LIT, IP GAUGES INOP, CRUISE INOP - REVISED Vehicle: 1998 Chevrolet G2500 VAN 5.0 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR Chevrolet G2500 VAN AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Chevrolet 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 Chevrolet 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 Chevrolet 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 Chevrolet 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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