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1990 GEO Prizm CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GEO 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 1990 GEO Prizm car and truck repair procedures including GEO 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 GEO Prizm 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 GEO mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1990 GEO Prizm 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 1990 GEO Prizm AUTOMOBILES

    A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-95 Geo Prizm
    Vehicle: 1990 GEO Prizm GSI 1.6 L4 GAS

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1990 GEO Prizm AUTOMOBILES

    DISC BRAKES, GENERAL MOTORS -> General Information -> BRAKE DISC SERVICE
    Vehicle: 1990 GEO Prizm GSI 1.6 L4 GAS

    Servicing of disc brakes is extremely critical due to the close tolerances required in machining the brake disc to insure proper brake operation.

    The maintenance of these close controls of the shape of the rubbing surfaces is necessary to prevent brake roughness. In addition, the surface finish must be non-directional and maintained at a micro inch finish. This close control of the rubbing surface finish is necessary to avoid pulls and erratic performance, and to promote long lining life and equal lining wear of both left and right brakes.

    In light of the foregoing remarks, ref...

    CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 GEO Prizm AUTOMOBILES

    General Motors Corp./Saturn Passenger Cars -> Fuel Filter Replacement -> Except Aveo, Chevette 1.8L Diesel, Corvette, GTO, LaCrosse, Malibu (2004-06) & Malibu Maxx, Vibe, XLR, 2004-05 Corvette & 1998-2002 Metro & Prizm
    Vehicle: 1990 GEO Prizm LSI 1.6 L4 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 v...

    CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 GEO Prizm AUTOMOBILES

    CV AXLE SHAFT, Replace
    Vehicle: 1990 GEO Prizm LSI 1.6 L4 GAS

    • Disconnect battery ground cable.
    • Raise and support vehicle.
    • Drain transaxle fluid.
    • Remove hub nut cap, then cotter pin, hub nut and washer.
    • Remove tie rod end from steering knuckle.
    • Remove brake caliper from steering knuckle.
    • Disconnect control arm from steering knuckle.
    • Remove brake rotor.
    • Remove drive axle from hub assembly using a plastic hammer. If shaft is difficult to remove, use crankshaft gear puller (Tool No. J 25287) or equivalent.
    • R...

    CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 GEO Prizm AUTOMOBILES

    Alternator, Replace
    Vehicle: 1990 GEO Prizm LSI 1.6 L4 GAS

    • Disconnect battery ground cable at battery.
    • Remove protective cover, then nut from B+ terminal on alternator.
    • Remove electrical connector from alternator.
    • Remove drive belt adjuster bolt.
    • Remove drive belt.
    • Remove alternator mounting bolts.
    • Re...

    CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1990 GEO Prizm AUTOMOBILES

    General Motors Corp./Saturn Cars -> Traction Control System (TCS) Warning Lamp ->
    Vehicle: 1990 GEO Prizm GSI 1.6 L4 GAS

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

    CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 GEO Prizm AUTOMOBILES

    Heater Hose, Replace -> Inlet -> Outlet
    Vehicle: 1990 GEO Prizm LSI 1.6 L4 GAS

    Inlet

    • Drain coolant into a suitable container.
    • Loosen hose clamp connecting hose to heater core inlet tube.
    • Loosen hose clamp connecting hose to intake manifold.
    • Remove hose from vehicle.
    • Reverse procedure to i...

    CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1990 GEO Prizm AUTOMOBILES

    Serpentine Drive Belt, Replace -> Installation -> Removal
    Vehicle: 1990 GEO Prizm GSI 1.6 L4 GAS

    Removal

    • Rotate serpentine belt tensioner pulley clockwise to release tension from belt using a 3/8 drive socket wrench.
    • Remove serpentine belt from pulleys.

    Installation

    • ...

    CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1990 GEO Prizm AUTOMOBILES

    Component location diagrams for most 1990 GEO Prizm cars and light trucks sold in the U.S. from 1990+.

    Engine Compartment Component Locations  Diagram for 1990 GEO Prizm LSI 1.6 L4 GASEngine Compartment Component Locations Diagram for 1990 GEO Prizm LSI 1.6 L4 GAS

    Components on diagram:
  • Cooling Fan Relay
  • Vehicle Speed Sensor
  • Throttle Position Sensor
  • Manifold Absolute Pressure Sensor
  • Ignition Coil
  • Harness & Connector Locations  Diagram for 1990 GEO Prizm GSI 1.6 L4 GASHarness & Connector Locations Diagram for 1990 GEO Prizm GSI 1.6 L4 GAS

    Components on diagram:
  • Main Engine Relay
  • Junction Block 2
  • Junction Block 1
  • Junction Block 3
  • Junction Block 4
  • CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1990 GEO Prizm AUTOMOBILES

    OEM drawn wiring diagrams for most 1990 GEO Prizm cars and light trucks sold in the U.S.

    1990 GEO Prizm LSI 1.6 L4 GAS Wiring Diagram1990 GEO Prizm LSI 1.6 L4 GAS Wiring Diagram

    Components on diagram:
  • Cruise Control Module
  • Parking Brake Switch
  • Cruise Control Switch
  • Cruise Engage Switch
  • Brake Fluid Level Warning Switch
  • 1990 GEO Prizm LSI 1.6 L4 GAS Wiring Diagram1990 GEO Prizm LSI 1.6 L4 GAS Wiring Diagram

    Components on diagram:
  • Ashtray Lamp
  • Cigar Lighter Lamp
  • A/C Switch Lamp
  • Audio Alarm
  • Radio Lamp
  • CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1990 GEO Prizm AUTOMOBILES

    OEM TSB listings for most 1990 GEO Prizm cars and light trucks sold in the U.S. from 1985+.

    Document: INFORMATION ON USE OF DIAGNOSTIC WORKSHEET - REVISED
    Vehicle: 1990 GEO Prizm LSI 1.6 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: INFORMATION ON PROPER TIRE PRESSURE - REVISED
    Vehicle: 1990 GEO Prizm LSI 1.6 L4 GAS

    Auto Systems:
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 1990 GEO Prizm TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1990 GEO Prizm AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 GEO Prizm 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 1990 GEO Prizm 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 1990 GEO Prizm 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 1990 GEO Prizm 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 1990 GEO Prizm SPECIFICATIONS DATA!

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

    Click here to view more details about 1997 GEO Prizm Corner Light, Driver Side1997 GEO Prizm Corner Light, Driver Side.

    Source: Auto Body Parts Store

    $17.23

    Click here to view more details about 1992 GEO Prizm Corner Light, Passenger Side1992 GEO Prizm Corner Light, Passenger Side.

    Source: Auto Body Parts Store

    $23.98

    Click here to view more details about 1997 Geo Prizm Manual Door Mirror, Driver Side1997 Geo Prizm Manual Door Mirror, Driver Side, DRIVER SIDE MANUAL DOOR MIRROR, WITH CONVEX GLASS, GLOSS BLACK , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $41.04

    Click here to view more details1997 GEO Prizm Lsi L4, 1.8 L, 1788 CC, 110 CID Rebuilt Engine, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details1989 Geo Prizm Used Suspension Cross Member/Subframe, 1.6, AUTO, FWD Rear, Very Good.

    Source: Used Auto Parts Store

    $259.00

    Click here to view more details1993 Geo Prizm Used Wiper Motor Front, Very Good.

    Source: Used Auto Parts Store

    $66.00
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