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Chevrolet G20 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 Chevrolet G20 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 G20 VAN automobile. Try the Automotix DIY solution today!
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    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 G20 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 G20 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 G20 VAN cars and light trucks from 1990+

    Air Bag System Precautions -> General Motors Corp. -> Disarming -> 1990 -> 1990-93 -> 1990-95 -> 1990-97 -> 1991 -> 1991-93 -> 1991-94 -> 1991-95 -> 1992-93 -> 1992-99 -> 1993-2002 -> 1993-94 -> 1993-98 -> 1994 -> 1994-2002 -> 1994-95 -> 1994-96 -> 1994-98 -> 1995-2002 -> 1995-96 -> 1995-97 -> 1995-98 -> 1995-99 -> 1996 -> 1996-2001 -> 1996-97 -> 1997 -> 1997-2002 -> 1997-98 -> 1997-99 -> 1998-2000 -> 1998-2002 -> 1998-99 -> 1999 -> 1999-2000 -> 1999-2001 -> 1999-2002 -> 2000-02 -> 2001-02 -> 2002 -> 2003 -> 2003-04 -> 2003-04 Except Malibu Maxx -> Achieva & Skylark -> Alero -> Astro & Safari -> Aurora -> Avalanche -> Aveo -> Aztek & Rendezvous -> Beretta & Corsica -> Blazer, Jimmy, Sonoma & S-10 -> Bonneville, Eighty-Eight, LeSabre, LSS, Ninety-Eight & Regency -> Bravada, Envoy, Rainier, SSR & TrailBlazer -> C/K Series -> Camaro & Firebird -> Canyon & Colorado -> Caprice, Custom Cruiser & Roadmaster -> Catera -> Cavalier & Sunfire -> Century -> Corvette -> Coupe -> CTS -> Cutlass -> Cutlass Ciera & Cruiser -> Cutlass Supreme -> DeVille -> Eldorado -> Escalade -> Express, G Series & Savana -> Fleetwood -> Grand Am -> Grand Prix & Intrigue -> Impala -> ION -> L-Series -> Light Trucks & Vans -> Lumina -> Lumina APV, Montana, Silhouette, Trans Sport & Venture -> Malibu -> Malibu Maxx -> Metro -> Monte Carlo -> Park Avenue -> Passenger Cars -> Prizm -> Reatta, Toronado & Trofeo -> Regal -> Riviera -> S-Series -> Sedan -> Seville -> Sierra & Silverado -> SRX -> Storm -> Suburban, Tahoe, Yukon & Yukon XL -> Tracker -> Vibe -> VUE -> XLR -> Zone 1 -> Zone 10 -> Zone 12 -> Zone 2 -> Zone 3 -> Zone 4 -> Zone 5 -> Zone 6 -> Zone 7 -> Zone 8 -> Zone 9 -> Zones 1 & 7 -> Zones 2 & 6 -> Zones 5 & 9 -> Zones 7 & 9
    Vehicle: 1993 Chevrolet G20 VAN 4.3 V6 GAS

    Passenger Cars

    The Sensing and Diagnostic Module (SDM) can maintain enough voltage to cause air bag deployment for up to 10 minutes after the ignition is turned Off and the battery is disconnected. Servicing the Supplemental air bag (SIR) system during this period may result in accidental deployment and personal injury.

    Achieva & Skylark
    1994-96
    • Ensure front wheels are in straight-ahead position.
    • Turn ignition switch to LOCK position.
    • Remove AIR BAG fuse from fuse block.
    • On 1995 models, remove lefthand sound insulator panel to ac...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G20 VAN A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR Chevrolet G20 VAN AUTOMOBILES

    Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Chevrolet G20 VAN cars and light trucks from 1990+.

    Power Brake Units -> Delco-Moraine Brake Boosters -> Description -> Operation -> Single Diaphragm Type -> Tandem (Dual) Diaphragm Type
    Vehicle: 1994 Chevrolet G20 VAN 4.3 V6 GAS

    In order to properly service power brake systems, a thorough understanding of the various power assist systems is necessary. These systems provide a mechanical assist, acting to increase the force applied to the master cylinder piston by the driver while decreasing the effort necessary to obtain acceptable stopping performance. Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies which use engine vacuum and in some cases vacuum from an external vacuum pump, and hydraulic assist assemblies which use hydraulic pressure developed by an external pump (...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G20 VAN BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR Chevrolet G20 VAN AUTOMOBILES

    Fuel filter replacement procedures with corresponding images for most domestic and imported Chevrolet G20 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: 1994 Chevrolet G20 VAN Sportvan 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 G20 VAN FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Chevrolet G20 VAN AUTOMOBILES

    Includes CV axle, universal joint, and driveline replacement, for domestic and imported Chevrolet G20 VAN cars and light trucks from 1990+.

    DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
    Vehicle: 1995 Chevrolet G20 VAN 4.3 V6 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 ...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G20 VAN DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Chevrolet G20 VAN AUTOMOBILES

    Includes starter and alternator replacement procedures for domestic and imported Chevrolet G20 VAN cars and light trucks from 1990+.

    Alternator, Replace
    Vehicle: 1995 Chevrolet G20 VAN Sportvan 5.7 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 Chevrolet G20 VAN STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR Chevrolet G20 VAN AUTOMOBILES

    Maintenance lamp reset procedures with corresponding images for most domestic and imported Chevrolet G20 VAN cars and light trucks sold in the U.S. from 1990+.

    General Motors Corp./Saturn Trucks -> Anti-Lock Brake System Warning Lamp ->
    Vehicle: 1991 Chevrolet G20 VAN Sportvan 5.7 V8 GAS

    This lamp should light for approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warn...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G20 VAN MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Chevrolet G20 VAN AUTOMOBILES

    Includes radiator, cooling and heater hose replacement procedures for domestic and imported Chevrolet G20 VAN cars and light trucks from 1990+

    Radiator, Replace
    Vehicle: 1991 Chevrolet G20 VAN 6.2 V8 DIESEL

    • Drain cooling system into a suitable container.
    • Remove upper fan shroud.
    • Remove radiator hose inlet.
    • Remove radiator hose outlet.
    • Remove transmission oil cooler lines.
    • Remove overflow hose.
    • Remove ...

    CLICK HERE TO GET FULL ACCESS TO Chevrolet G20 VAN RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR Chevrolet G20 VAN AUTOMOBILES

    Serpentine belt replacement procedures with corresponding images for most domestic and imported Chevrolet G20 VAN cars and light trucks sold in the U.S. from 1990+.

    Serpentine Drive Belt, Replace
    Vehicle: 1996 Chevrolet G20 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 G20 VAN SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR Chevrolet G20 VAN AUTOMOBILES

    Component location diagrams for most Chevrolet G20 VAN cars and light trucks sold in the U.S. from 1990+.

    Transmission Components Diagram for 1993 Chevrolet G20 VAN  6.2 V8 DIESELTransmission Components Diagram for 1993 Chevrolet G20 VAN 6.2 V8 DIESEL

    Components on diagram:
  • Output Speed Sensor
  • Input Speed Sensor
  • Transmission
  • Connector C-318
  • Connector C-378
  •  Diagram for 1991 Chevrolet G20 VAN Sportvan 4.3 V6 GAS Diagram for 1991 Chevrolet G20 VAN Sportvan 4.3 V6 GAS

    Components on diagram:
  • A/C Accumulator
  • CLICK HERE TO GET FULL ACCESS TO Chevrolet G20 VAN PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR Chevrolet G20 VAN AUTOMOBILES

    OEM drawn wiring diagrams for most Chevrolet G20 VAN cars and light trucks sold in the U.S.

    1992 Chevrolet G20 VAN Sportvan 6.2 V8 DIESEL Wiring Diagram1992 Chevrolet G20 VAN Sportvan 6.2 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Hazard Flasher
  • Stoplamp Switch
  • Right Hand Side Marker Lamp
  • Right Hand Park and Turn Signal Lamp
  • Left Hand Side Marker
  • 1993 Chevrolet G20 VAN Sportvan 5.7 V8 GAS Wiring Diagram1993 Chevrolet G20 VAN Sportvan 5.7 V8 GAS Wiring Diagram

    Components on diagram:
  • LH Side Marker Lamp
  • RH Side Marker Lamp
  • Turn Signal Flasher
  • LH Park And Turn Signal Lamp
  • RH Park and Turn Signal Lamp
  • CLICK HERE TO GET FULL ACCESS TO Chevrolet G20 VAN WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR Chevrolet G20 VAN AUTOMOBILES

    OEM TSB listings for most Chevrolet G20 VAN cars and light trucks sold in the U.S. from 1985+.

    Document: A/T OIL COOLER FLUSHING & FLOW CHECK PROCEDURES
    Vehicle: 1987 Chevrolet G20 VAN 4.3 V6 GAS

    Auto Systems:
  • Automatic Trans, Coolers, Torque Converter
  • Document: GRILLE - LH MOUNTING TABS BREAK - SILICONE SEALANT
    Vehicle: 1986 Chevrolet G20 VAN 6.2 V8 DIESEL

    Auto Systems:
  • Finishes, Body Structure, Frame, Bumpers
  • CLICK HERE TO GET FULL ACCESS TO Chevrolet G20 VAN TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR Chevrolet G20 VAN AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Chevrolet G20 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 G20 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 G20 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 G20 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 G20 VAN SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details1972 Chevrolet G20 Van Radiator Cap, 15 to 18 lbs., 18 psi maximum pressure, standard radiator style, plain cap logo, round shape; Does not include gauge; A high quality, direct fit OE replacement radiator cap..

    Source: Auto Body Parts Store

    $8.99

    Click here to view more details1974 Chevrolet G20 Van Ignition Switch, Blade type; 9-prong male terminal; A high quality, OE replacement ignition switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $22.59

    Click here to view more details about 2009 Chevrolet Trailblazer Tail Light Assembly , Passenger Side2009 Chevrolet Trailblazer Tail Light Assembly , Passenger Side, PASSENGER SIDE TAIL LIGHT ASSEMBLY , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $57.79

    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

    $1,446.00

    Click here to view more details1987 Chevrolet G20 VAN Used Air Injection Pump, 5.0, AUTO, RWD 8-305 (5.0L), Very Good.

    Source: Used Auto Parts Store

    $93.00

    Click here to view more details1995 Chevrolet G20 VAN Used AM-FM-Cassette, AM-MONO-FM-STEREO-CASS, Very Good.

    Source: Used Auto Parts Store

    $66.00
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