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1990 Oldsmobile 98 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Oldsmobile 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 Oldsmobile 98 car and truck repair procedures including Oldsmobile 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 Oldsmobile 98 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 Oldsmobile 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 Oldsmobile 98 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 Oldsmobile 98 AUTOMOBILES

    A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-2002 Buick Electra, LeSabre & Park Avenue, Oldsmobile Eighty-Eight, LSS, Ninety-Eight & Regency & Pontiac Bonneville
    Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

    DISC BRAKES, GENERAL MOTORS -> General Information -> BRAKE DISC SERVICE
    Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 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 Oldsmobile 98 BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

    General Motors Corp./Saturn Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1980-06 Gasoline Engine Models Except Catera, LeMans (1988-93) Metro, Nova (1985-88), Saturn & Sprint -> Normal Service -> Severe Service
    Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

    CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

    CV AXLE SHAFT, Replace
    Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

    • Raise and support vehicle, then remove tire and wheel assembly.
    • Install a brass drift or a screwdriver to prevent rotor from turning.
    • Remove shaft nut and washer.
    • Remove brake caliper from steering knuckle and suspend caliper assembly.
    • Remove rotor from hub and bearing assembly, then stabilizer shaft or link from control arm.
    • Remove ball joint from steering knuckle.
    • Remove drive axle from transaxle using axle shaft remover tool No. J-33008, a...

    CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

    Alternator, Replace
    Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

    • Disconnect battery ground cable.
    • Remove drive belt.
    • Remove engine cover.
    • Remove rear pencil brace bolts.
    • Remove brace.
    • Remove alternator mounting bolts.
    • Remove output terminal nut.
    • Disconnect electrical connector.
    • Remove alternat...

    CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

    General Motors Corp./Saturn Cars -> Active Handling System Warning Lamp ->
    Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

    This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. The lamp will also come on as the system is...

    CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS

    Lower

    • Drain coolant into a suitable container.
    • Loosen hose clamp connecting hose to radiator.
    • Loosen hose clamp connecting hose to water pump inlet.
    • Remove hose from vehicle.
    • Reverse procedure t...

    CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

    • Rotate tensioner counterclockwise, using a suitable tool to re...

    CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1990 Oldsmobile 98 AUTOMOBILES

    Component location diagrams for most 1990 Oldsmobile 98 cars and light trucks sold in the U.S. from 1990+.

    Steering Wheel Pad Switch & Electronics Module  Diagram for 1990 Oldsmobile 98 Regency 3.8 V6 GASSteering Wheel Pad Switch & Electronics Module Diagram for 1990 Oldsmobile 98 Regency 3.8 V6 GAS

    Components on diagram:
  • Steering Wheel Pad Switch & Electronics Module
  • Luggage Compartment Lid Release/Pull-Down Diagram for 1990 Oldsmobile 98 Regency 3.8 V6 GASLuggage Compartment Lid Release/Pull-Down Diagram for 1990 Oldsmobile 98 Regency 3.8 V6 GAS

    Components on diagram:
  • Fuel Door Release Solenoid
  • Luggage Compartment Lid Release Solenoid
  • Fuel Door Release
  • Connector C305
  • Connector C306
  • CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1990 Oldsmobile 98 AUTOMOBILES

    OEM drawn wiring diagrams for most 1990 Oldsmobile 98 cars and light trucks sold in the U.S.

    1990 Oldsmobile 98 Regency 3.8 V6 GAS Wiring Diagram1990 Oldsmobile 98 Regency 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Blower Relay
  • Heater And A/C Control Assembly
  • Blower Switch
  • Blower Motor
  • Blower Resistor Assembly
  • 1990 Oldsmobile 98 Regency 3.8 V6 GAS Wiring Diagram1990 Oldsmobile 98 Regency 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Fuel Tank Unit
  • Battery
  • Cruise Control Module
  • Mass Air Flow Sensor
  • Keyless Entry Module
  • CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1990 Oldsmobile 98 AUTOMOBILES

    OEM TSB listings for most 1990 Oldsmobile 98 cars and light trucks sold in the U.S. from 1985+.

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED
    Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1990 Oldsmobile 98 AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Oldsmobile 98 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 Oldsmobile 98 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 Oldsmobile 98 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 Oldsmobile 98 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 Oldsmobile 98 SPECIFICATIONS DATA!

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

    Click here to view more details about 1984 Oldsmobile 98 Bumper Filler, Rear1984 Oldsmobile 98 Bumper Filler, Rear, With quarter panel extensions; Made of high-density material for maximum durability and reliability; Designed to match OE specifications for a precise fit..

    Source: Auto Body Parts Store

    $249.28

    Click here to view more details1991 Oldsmobile 98 Relay, Rear, For A/C control, blower motor, radiator fan, and compressor; A high quality, direct fit OE replacement relay..

    Source: Auto Body Parts Store

    $17.47

    Click here to view more details about 2004 Oldsmobile Alero Aftermarket Wheel Covers2004 Oldsmobile Alero Aftermarket Wheel Covers, AFTERMARKET WHEEL COVERS, 15 INCH, SILVER ABS 8 SLOT WITH RAISED SPOKE, SPRING STEEL CLIP APPLICATION, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $19.30

    Click here to view more details about 1975 Oldsmobile 98 V8, 6.6 L, 400 CID Rebuilt Engine1975 Oldsmobile 98 V8, 6.6 L, 400 CID Rebuilt Engine, No smog, Specify head #, 2 1/2" crank centering ring, 5 motor mount on left 4 on right, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $1,799.00

    Click here to view more details1993 Oldsmobile 98 Used Exhaust Manifold, 6-231 (3.8L), L. (Fr), Very Good.

    Source: Used Auto Parts Store

    $80.00

    Click here to view more details1988 Oldsmobile 98 Used Air Flow Meter/Sensor, 3.3, AUTO, FWD (6-204, 3.3L), Very Good.

    Source: Used Auto Parts Store

    $100.00
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