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Chevrolet G3500 VAN CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet 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!

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    1998

    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about Chevrolet G3500 VAN car and truck repair procedures including Chevrolet 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 Chevrolet G3500 VAN automobile. Try the Automotix DIY solution today!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Chevrolet mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your Chevrolet G3500 VAN vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR Chevrolet G3500 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 G3500 VAN cars and light trucks from 1990+

    Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Blower Motor, Replace -> Astro & Safari -> Bravada, S & T Series -> C & K Series -> Front -> G Series -> Montana, Silhouette, Trans Sport & Venture -> P Series -> Rear -> Tracker
    Vehicle: 1998 Chevrolet G3500 VAN 7.4 V8 GAS

    Astro & Safari
    Front
    • Remove air cleaner assembly.
    • Disconnect electrical connector, then remove recovery and windshield washer fluid reservoir assembly.
    • Remove two accoustic cover retaining screws in blower motor area.
    • Cut acoustic cover between five clip lands, Fig. . Retain piece of acoustic cover for reassembly.
    • Remove cooling tube from motor.
    • Remove blower motor to case attaching screws.
    • Remove blower motor from case.
    • Reverse procedure install.
    Rear
    • Remove left quarter panel swing-out win...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR Chevrolet G3500 VAN AUTOMOBILES

    Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Chevrolet G3500 VAN cars and light trucks from 1990+.

    Anti-lock Brakes -> Kelsey-Hayes -> Diagnosis & Testing -> 1997 Astro -> 1997 C & K Series -> 1997 G-Series -> 1997 P-Series -> 1997 S & T Series -> 1997-99 -> 1997-99 Except 1999 Sierra & Silverado -> 1997-99 G Van & P Series -> 1998 Astro -> 1998 C & K Series -> 1998 G-Series -> 1998 P-Series -> 1998 S & T Series -> 1999 Astro -> 1999 C & K Series Except Sierra & Silverado -> 1999 G-Series -> 1999 P-Series -> 1999 S & T Series -> 1999 Sierra & Silverado -> 2000 Astro -> 2000 C & K Series except Sierra, Silverado, Suburban, Tahoe & Yukon -> 2000 G-Series -> 2000 S & T Series -> 2000 Sierra -> 2000 Silverado -> 2000 Suburban -> 2000 Tahoe -> 2000 Yukon -> 2000-01 -> 2000-01 G Van -> 2001 Astro -> 2001 C & K Series -> 2001 G-Series -> 2001 S & T Series -> Accessing Diagnostic Trouble Codes -> Astro, Safari & S & T Series -> C & K Series -> Clearing Diagnostic Trouble Codes -> Connector Pin ID -> Diagnostic Process -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Enhanced Diagnostics -> G Van & P Series -> Intermittents & Poor Connections -> Temperature Vs. Resistance -> Wiring Diagrams
    Vehicle: 1998 Chevrolet G3500 VAN 5.7 V8 GAS

    Accessing Diagnostic Trouble Codes

    Diagnostic trouble codes (DTCs) can only be read by connecting a suitably programmed scan tool to the Data Link Connector (DLC) and following the tool manufacturer instructions.

    Diagnostic Trouble Code Interpretation

    Refer to Figs. and , for Diagnostic Trouble Code (DTC) interpretation.

    Wiring Diagrams

    Refer "Wiring Diagrams" in "Vehicle Systems"

    Connector Pin ID

    On 2000 S & T Series only, ensure correct anti-lock brake system connector pin identifications are used.

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    Diagnostic Process

    • Inspect master cylinder reservoir fluid level and for possible fluid...
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    CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR Chevrolet G3500 VAN AUTOMOBILES

    Fuel filter replacement procedures with corresponding images for most domestic and imported Chevrolet G3500 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 G3500 VAN 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 ...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Chevrolet G3500 VAN AUTOMOBILES

    Includes CV axle, universal joint, and driveline replacement, for domestic and imported Chevrolet G3500 VAN cars and light trucks from 1990+.

    DRIVESHAFT, Replace -> One Piece Driveshaft -> Two Piece Driveshaft
    Vehicle: 1998 Chevrolet G3500 VAN 7.4 V8 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...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Chevrolet G3500 VAN AUTOMOBILES

    Includes starter and alternator replacement procedures for domestic and imported Chevrolet G3500 VAN cars and light trucks from 1990+.

    Starter, Replace
    Vehicle: 1998 Chevrolet G3500 VAN 7.4 V8 GAS

    • Disconnect battery ground cable.
    • Raise and support vehicle.
    • Remove starter to engine brace and heat shields.
    • Disconnect wires from solenoids.
    • Remove starter motor mounting bolts, washers and lower starter. Record position of shims, if required.
    • Remove starter motor from vehicle.
    • Reverse procedure to install, notin...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR Chevrolet G3500 VAN AUTOMOBILES

    Maintenance lamp reset procedures with corresponding images for most domestic and imported Chevrolet G3500 VAN cars and light trucks sold in the U.S. from 1990+.

    General Motors Corp./Saturn Trucks -> Service Throttle Soon Indicator Lamp ->
    Vehicle: 1998 Chevrolet G3500 VAN 5.7 V8 GAS

    A "Service Throttle Soon" indicator lamp is mounted in the lower righthand instrument cluster corner on these models. It lights when the ignition is turned On, but should go out approximately 1-5 seconds after the engine starts.

    Traditional throttle cables are no longer used on these models. The PCM receives signals from an electron...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Chevrolet G3500 VAN AUTOMOBILES

    Includes radiator, cooling and heater hose replacement procedures for domestic and imported Chevrolet G3500 VAN cars and light trucks from 1990+

    Radiator, Replace
    Vehicle: 1998 Chevrolet G3500 VAN 5.7 V8 GAS

    • Drain coolant to suitable container.
    • Remove air cleaner, duct and coolant recovery reservoir.
    • Remove mounting bolts, upper to lower mounting bolts and upper fan shroud.
    • Remove mounting bolts and lower...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR Chevrolet G3500 VAN AUTOMOBILES

    Serpentine belt replacement procedures with corresponding images for most domestic and imported Chevrolet G3500 VAN cars and light trucks sold in the U.S. from 1990+.

    Serpentine Drive Belt, Replace
    Vehicle: 1998 Chevrolet G3500 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...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR Chevrolet G3500 VAN AUTOMOBILES

    Component location diagrams for most Chevrolet G3500 VAN cars and light trucks sold in the U.S. from 1990+.

    LH Frame Rail Diagram for 1998 Chevrolet G3500 VAN  5.7 V8 GASLH Frame Rail Diagram for 1998 Chevrolet G3500 VAN 5.7 V8 GAS

    Components on diagram:
  • Battery
  • Electronic Brake Control Module
  • Brake Pressure Differential Switch
  • Ignition Feed
  • Top Of Brake Pedal Support Diagram for 1998 Chevrolet G3500 VAN  6.5 V8 DIESELTop Of Brake Pedal Support Diagram for 1998 Chevrolet G3500 VAN 6.5 V8 DIESEL

    Components on diagram:
  • Convenience Center
  • Connector C-210
  • CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR Chevrolet G3500 VAN AUTOMOBILES

    OEM drawn wiring diagrams for most Chevrolet G3500 VAN cars and light trucks sold in the U.S.

    1998 Chevrolet G3500 VAN  7.4 V8 GAS Wiring Diagram1998 Chevrolet G3500 VAN 7.4 V8 GAS Wiring Diagram

    Components on diagram:
  • Mode Switch
  • A/C Compressor High Pressure Cutoff Switch
  • A/C Compressor Low Pressure Cutout Switch
  • Heater and A/C Controller
  • 1998 Chevrolet G3500 VAN  6.5 V8 DIESEL Wiring Diagram1998 Chevrolet G3500 VAN 6.5 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Vehicle Control Module (VCM)
  • Convenience Center
  • Electronic Brake Control Module (EBCM)
  • Inflatable Restraint Sensing And Diagnostic Module
  • Remote Control Door Lock Receiver
  • CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR Chevrolet G3500 VAN AUTOMOBILES

    OEM TSB listings for most Chevrolet G3500 VAN cars and light trucks sold in the U.S. from 1985+.

    Document: Exterior Lamp Condensation and Replacement Guidelines
    Vehicle: 1998 Chevrolet G3500 VAN 7.4 V8 GAS

    Symptoms:
  • Leaks
  • Auto Systems:
  • Lighting, Horns, Turn Signals, Steering Column
  • Document: DIAG PROCEDURE FOR A/C PERFORMANCE & LEAKS
    Vehicle: 1998 Chevrolet G3500 VAN 6.5 V8 DIESEL

    Symptoms:
  • Leaks
  • Auto Systems:
  • Heating, A/C, Ventilation, Defogger
  • CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR Chevrolet G3500 VAN AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Chevrolet G3500 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 G3500 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 G3500 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 G3500 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

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G3500 VAN SPECIFICATIONS DATA!

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