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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 1990 Oldsmobile 98 automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 1990 Oldsmobile 98

  • 1990 Oldsmobile 98 Regency 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:C
  • 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:C
  • 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:C

BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile 98 cars and light trucks from 1990+.

ANTI-LOCK BRAKES, GENERAL MOTORS -> 1990 Bonneville, DeVille, Eighty-Eight, Electra, Fleetwood, Ninety-Eight, Park Avenue & 6000 (Teves Type) -> REQUIRED TEST EQUIPMENT
Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

Some diagnostic procedures require use of a pressure gauge and Pin-Out Box tool No. J-35592 or equivalent.

  • Install Pin-Out Box tool No. J-35592 or equivalent as follows:
    • Turn ignition switch to the Off position.
    • Depending on model, different procedures are required for EBCM removal. EBCM is either held in with two retainers, three screws, or a twist-type mount. EBCM is located on left side dash close out panel.
    • Remove 35 pin harness connector from EBCM, depress locking plate, then turn t...

CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile 98 cars and light trucks from 1990+.

DRUM BRAKES, GENERAL MOTORS -> Type 5 -> REMOVAL
Vehicle: 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS

  • Raise and support vehicle.
  • Mark relationship of wheel to axle flange, then remove wheel and tire assembly.
  • Mark relationship of brake drum to axle flange, then remove drum.If brake drum is difficult to remove, back off parking brake cable adjustment, remove inspection hole plug from backing plate, insert screwdriver through hole and press in to push parking brake lever off stop.
  • Using suitable tool, rem...

CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile 98 cars and light trucks from 1990+.

DISC BRAKES, GENERAL MOTORS -> General Information -> TROUBLESHOOTING
Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

When troubleshoot...

CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile 98 cars and light trucks from 1990+.

DRUM BRAKES, GENERAL MOTORS -> Type 5 -> BRAKE ADJUSTMENTS -> PARKING BRAKE, ADJUSTMENT -> SERVICE BRAKE, ADJUSTMENT
Vehicle: 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS

The rear drum brakes have self-adjusting shoe mechanisms that assure correct lining-to-drum clearances at all times. The automatic adjusters operate only when the brakes are applied as the vehicle is moving rearward.

Although the brakes are self-adjusting, an initial adjustment is necessary after the brake shoes have been replaced, or when the length of the star wheel adjuster has been changed during some other service operation.

SERVICE BRAKE, ADJUSTMENT

  • Raise and support vehicle, then remove rear wheels and brake drums.
  • Check to make sure parking brake cable linkage and levers o...

CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile 98 cars and light trucks from 1990+.

DISC BRAKES, GENERAL MOTORS -> General Information -> TESTING PROPORTIONING VALVE
Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

When a premature rear wheel slide is obtained on a brake application, it usually is an indication that the fluid pressure to the rear wheels is above the 50% reduction ratio for the rear line pressure and that malfunction has occurred within the proportioning valve.

To test the valve, install gauge set shown in Fig. in brake line between master cylinder and proportioning valve, and at outpu...

CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile 98 cars and light trucks from 1990+.

ANTI-LOCK BRAKES, GENERAL MOTORS -> 1990 Bonneville, DeVille, Eighty-Eight, Electra, Fleetwood, Ninety-Eight, Park Avenue & 6000 (Teves Type) -> SYSTEM COMPONENTS -> ANTI-LOCK WARNING LAMP -> BRAKE WARNING LAMP -> ELECTRONIC BRAKE CONTROL MODULE (EBCM) -> HYDRAULIC UNIT -> TIMER FLASHER MODULE
Vehicle: 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS

The anti-lock brake system, Fig. , consists of a pump motor assembly, fluid accumulator, pressure switch, fluid reservoir with integral filter, hydraulic booster/master cylinder, wheel speed sensors, Electronic Brake Control Module (EBCM) and a valve block assembly.

ELECTRONIC BRAKE CONTROL MODULE (EBCM)

The EBCM monitors speed of each wheel to determine if any wheel is beginning to lock. If a locking condition is sensed, brake pressures are automatically adjusted to provide for maximum stopping without wheel lock.

TIMER FLASHER MODULE

On some models, the pump circuit includes a t...

CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile 98 BRAKE SERVICE PROCEDURES

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 details1996 Oldsmobile 98 Brake Disc, Front.

Source: Auto Body Parts Store

$56.53

Click here to view more details about 2004 Oldsmobile Alero Outer Tail Light Assembly , Passenger Side2004 Oldsmobile Alero Outer Tail Light Assembly , Passenger Side, PASSENGER SIDE OUTER TAIL LIGHT ASSEMBLY , , .

Source: Wheels / Rims, Mirrors & Lights Store

$83.92

Click here to view more details1985 Oldsmobile 98 Regency V6, 3 L, 181 CID Rebuilt Engine, 20 Bolt Pan, with distributor. Tall deck block, Warranty: 7-Year/70,000 Mile, .

Source: Rebuilt Engines Store

$1,286.00

Click here to view more details1996 Oldsmobile 98 Used Air Flow Meter/Sensor, 3.8, AUTO, FWD (6-231, 3.8L), Very Good.

Source: Used Auto Parts Store

$77.00

Click here to view more details1985 Oldsmobile 98 Used AM-FM-Cassette, AM-mono-FM-stereo, w/cass, Very Good.

Source: Used Auto Parts Store

$86.00
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