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1991 Chevrolet G30 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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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Chevrolet G30 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 G30 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 1991 Chevrolet G30 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 1991 Chevrolet G30 VAN AUTOMOBILES

    A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-95 Chevrolet & GMC C & K, G, P & R & V Series
    Vehicle: 1991 Chevrolet G30 VAN Sportvan 6.2 V8 DIESEL

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G30 VAN A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    POWER BRAKE UNITS, GENERAL MOTORS -> Delco-Moraine Brake Boosters -> TANDEM DIAPHRAGM TYPE -> Assemble -> BOOSTER SERVICE -> DESCRIPTION -> Disassemble
    Vehicle: 1991 Chevrolet G30 VAN 5.7 V8 GAS

    DESCRIPTION

    These units, Figs. and , have a vacuum power chamber that consists of a front and rear shell, a housing divider, front and rear diaphragm and plate assemblies, an hydraulic pushrod and a diaphragm return spring.

    The unit operates in much the same manner as the Single Diaphragm unit described above. The diaphragm and plate assemblies use the pressure differential created by engine intake manifold vacuum and atmospheric pressure to assist the hydraulic pushrod.

    BOOSTER SERVICE

    Disassemble
    • Remove boot, silencer, vacuum check valve, grommet and front housing seal Fig. ...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G30 VAN BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 1988-06 C/K, G & R/V Series w/Diesel Engines -> Normal Service -> Severe Service
    Vehicle: 1991 Chevrolet G30 VAN 6.2 V8 DIESEL

    Normal Service

    Repl...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G30 VAN FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    DRIVESHAFT, Replace -> One Piece Driveshaft -> Two Piece Driveshaft
    Vehicle: 1991 Chevrolet G30 VAN Sportvan 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 1991 Chevrolet G30 VAN DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    Alternator, Replace
    Vehicle: 1991 Chevrolet G30 VAN 7.4 V8 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 mounting bracket.
    • Rem...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G30 VAN STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    General Motors Corp./Saturn Trucks -> Service Throttle Soon Indicator Lamp ->
    Vehicle: 1991 Chevrolet G30 VAN Sportvan 6.2 V8 DIESEL

    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 1991 Chevrolet G30 VAN MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 1991 Chevrolet G30 VAN 4.3 V6 GAS

    Lower

    • Drain cooling system into a suitable container.
    • Reposition hose clamp at radiator outlet and remove hose.
    • Reposition hose clamp at water pump inlet and remove hose.
    • Remove hose from vehicle.
    • Reverse procedure...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G30 VAN RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 1991 Chevrolet G30 VAN 5.7 V8 GAS

    • Rotate tensioner counterclockwise, using a 1/2 inch breaker bar with a socket placed on tensioner ...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G30 VAN SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    Component location diagrams for most 1991 Chevrolet G30 VAN cars and light trucks sold in the U.S. from 1990+.

    Rear Wheel Anti-Lock Brake Wiring & Components Diagram for 1991 Chevrolet G30 VAN Sportvan 7.4 V8 GASRear Wheel Anti-Lock Brake Wiring & Components Diagram for 1991 Chevrolet G30 VAN Sportvan 7.4 V8 GAS

    Components on diagram:
  • Connector C-100
  • ECM & Associated Components Diagram for 1991 Chevrolet G30 VAN  5.7 V8 GASECM & Associated Components Diagram for 1991 Chevrolet G30 VAN 5.7 V8 GAS

    Components on diagram:
  • Electronic Control Module
  • ESC Module
  • Hot Fuel Handling Module
  • CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G30 VAN PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    OEM drawn wiring diagrams for most 1991 Chevrolet G30 VAN cars and light trucks sold in the U.S.

    1991 Chevrolet G30 VAN Sportvan 6.2 V8 DIESEL Wiring Diagram1991 Chevrolet G30 VAN Sportvan 6.2 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Light Switch
  • LH Door Jamb Switch
  • RH Door Jamb Switch
  • Interior Lighting Control Switch
  • 1991 Chevrolet G30 VAN  6.2 V8 DIESEL Wiring Diagram1991 Chevrolet G30 VAN 6.2 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Light Switch
  • Headlamp Dimmer Switch
  • RH High Beam Headlamp
  • LH High Beam Headlamp
  • LH High-Low Headlamp
  • CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G30 VAN WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    OEM TSB listings for most 1991 Chevrolet G30 VAN cars and light trucks sold in the U.S. from 1985+.

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1991 Chevrolet G30 VAN 4.3 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED
    Vehicle: 1991 Chevrolet G30 VAN 4.3 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G30 VAN TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1991 Chevrolet G30 VAN AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Chevrolet G30 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 1991 Chevrolet G30 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 1991 Chevrolet G30 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 1991 Chevrolet G30 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 1991 Chevrolet G30 VAN SPECIFICATIONS DATA!

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    Source: Auto Body Parts Store

    $45.23

    Click here to view more details about 1974 Chevrolet G30 Van Weatherstrip Seal1974 Chevrolet G30 Van Weatherstrip Seal, A high quality, direct fit OE replacement side slider door seal..

    Source: Auto Body Parts Store

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    Click here to view more details about 2005 Chevrolet Cavalier Tail Light Assembly, Passenger Side2005 Chevrolet Cavalier Tail Light Assembly, Passenger Side, PASSENGER SIDE TAIL LIGHT ASSEMBLY, WITH MARKER LIGHT , , .

    Source: Wheels / Rims, Mirrors & Lights Store

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    Click here to view more details1993 Ford F-250 Pickup V8, 5.8 L, 351 CID Rebuilt Engine, Windsor, HO, dipstick in block, Non Roller cam., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details1988 Chevrolet G30 VAN Used Fan Clutch, 5.7, AUTO, RWD 8-350 (5.7L), w/AC, Without trailer equip Z82, Very Good.

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    Click here to view more details1987 Chevrolet G30 VAN Used A/C Compressor, 5.7, AUTO, 4X4 serpentine drive, Very Good.

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