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1991 Chevrolet G20 VAN CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet REPAIR SHOPS DON'T WANT YOU TO KNOW

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 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 1991 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 1991 Chevrolet G20 VAN AUTOMOBILES

    A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-95 Chevrolet & GMC C & K, G, P & R & V Series
    Vehicle: 1991 Chevrolet G20 VAN Sportvan 6.2 V8 DIESEL

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    HYDRAULIC BRAKE SYSTEMS, GENERAL MOTORS -> HEIGHT SENSING PROPORTIONING VALVE, Adjust
    Vehicle: 1991 Chevrolet G20 VAN 6.2 V8 DIESEL

    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 leaving wheels on, and allow axle to hang free (no load condition).
    • Remove lever retaining nut and disconnect lever from valve shaft, Fig. .
    • Rotate valve shaft to permit installation of correct adjustment gauge, Fig. ,...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 1988-95 C/K, G & R/V Series w/Gasoline Engine -> Heavy Duty Emissions -> Light Duty Emissions -> Normal Service -> Severe Service
    Vehicle: 1991 Chevrolet G20 VAN Sportvan 5.0 V8 GAS

    Light Duty Emissions

    Normal Service

    Replace every 60,000 miles

    Severe Service

    Rep...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    DRIVESHAFT, Replace -> One Piece Driveshaft -> Two Piece Driveshaft
    Vehicle: 1991 Chevrolet G20 VAN Sportvan 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...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    Starter, Replace
    Vehicle: 1991 Chevrolet G20 VAN 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 ...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    General Motors Corp./Saturn Trucks -> All Wheel Drive (AWD) System Warning Lamp ->
    Vehicle: 1991 Chevrolet G20 VAN 4.3 V6 GAS

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

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    Heater Hose, Replace -> Inlet -> Outlet
    Vehicle: 1991 Chevrolet G20 VAN Sportvan 5.0 V8 GAS

    Inlet

    • Drain cooling system into a suitable container.
    • Reposition hose clamp at heater core.
    • Remove inlet heater hose from heater core.
    • Reposition hose clamp at thermostat housing.
    • Remove inlet heater hose from thermostat housing.
    • Remove hose from vehicle.
    • Reverse proc...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 1991 Chevrolet G20 VAN 6.2 V8 DIESEL

    • Rotate tensioner to release belt tension, using a 1/2 inch breaker bar with a 5/8 inch socket placed on tensioner pulley.
    • Remove drive belt.
    • Route b...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    Component location diagrams for most 1991 Chevrolet G20 VAN cars and light trucks sold in the U.S. from 1990+.

    Hydro-Boost Brake System Components Diagram for 1991 Chevrolet G20 VAN Sportvan 6.2 V8 DIESELHydro-Boost Brake System Components Diagram for 1991 Chevrolet G20 VAN Sportvan 6.2 V8 DIESEL

    Components on diagram:
  • Fuse Block
  • Parking Brake Warning Switch
  • Flow Switch
  • Hydro-Boost Pressure Warning Switch
  • Electronic Delay Module Assembly
  • C-3 System Components Diagram for 1991 Chevrolet G20 VAN  4.3 V6 GASC-3 System Components Diagram for 1991 Chevrolet G20 VAN 4.3 V6 GAS

    Components on diagram:
  • Vehicle Speed Sensor
  • Throttle Position Sensor
  • Oxygen Sensor
  • MAP Sensor
  • Knock Sensor
  • CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    OEM drawn wiring diagrams for most 1991 Chevrolet G20 VAN cars and light trucks sold in the U.S.

    1991 Chevrolet G20 VAN  5.7 V8 GAS Wiring Diagram1991 Chevrolet G20 VAN 5.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Ignition Switch
  • 1991 Chevrolet G20 VAN Sportvan 6.2 V8 DIESEL Wiring Diagram1991 Chevrolet G20 VAN Sportvan 6.2 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Turn Signal Switch
  • LH Side Marker Lamp
  • RH Side Marker Lamp
  • Turn Signal Flasher
  • LH Park And Turn Signal Lamp
  • CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    OEM TSB listings for most 1991 Chevrolet G20 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 G20 VAN 4.3 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED
    Vehicle: 1991 Chevrolet G20 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 G20 VAN TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1991 Chevrolet G20 VAN AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 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 1991 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 1991 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 1991 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 1991 Chevrolet G20 VAN SPECIFICATIONS DATA!

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

    Click here to view more details about 1974 Chevrolet G20 Van Seat Belt, Front, Driver And Passenger Side1974 Chevrolet G20 Van Seat Belt, Front, Driver And Passenger Side.

    Source: Auto Body Parts Store

    $94.42

    Click here to view more details1971 Chevrolet G20 Van Alternator, 55 amps, single V-type pulley, external fan, externally regulated; Replaces OE Delco unit; Re-engineered and remanufactured to exacting standards for unsurpassed dependability; Constructed with the extensive remanufacturing process that includes total core disassembly, extensive component replacement and rigorous three-phase testing that ensures to deliver performance that can be depended on; Features a returned core alternator that is thoroughly stripped down to base components and durable parts are cleaned, machined and tested to precise standards; Offers new components including brushes, bushings, springs, contacts; Assembled with re-claimed durable parts and tested again to ensure proper function; Lubricated with aerospace-grade grease to ensure long-life under grueling conditions; Comes with a complimentary 24/7 Quality-Built (QB) Roadside Assistance Program (RAP) which includes a jump-start or tow for 1 year from the date of purchase limited to 3 events per year and a maximum reimbursement of $60 each event; The RAP is available anywhere in the U.S., Canada, and Puerto Rico for passenger vehicles, vans, and light trucks, and operates on a reimbursement basis where customers are required to pay the service provider at the time the service is rendered and submit the corresponding receipt to QB for reimbursement..

    Source: Auto Body Parts Store

    $32.18

    Click here to view more details2005 Chevrolet Cavalier Taillight Passenger Side Outter, Passenger Side Outer Tail Light, , .

    Source: Wheels / Rims, Mirrors & Lights Store

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    Click here to view more details about 1994 Isuzu Pickup L4, 2.3 L, 2254 CC Rebuilt Engine1994 Isuzu Pickup L4, 2.3 L, 2254 CC Rebuilt Engine, SOHC, supplied with new head casting., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,724.00

    Click here to view more details1990 Chevrolet G20 VAN Used Suspension Cross Member/Subframe, FRONT; 10 SERIES, Very Good.

    Source: Used Auto Parts Store

    $304.00

    Click here to view more details1987 Chevrolet G20 VAN Used A/C Compressor, 5.7, AUTO, 4X2 serpentine drive, Very Good.

    Source: Used Auto Parts Store

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