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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+.

HYDRAULIC BRAKE SYSTEM, GENERAL MOTORS -> SYSTEM SERVICE -> BLEEDING BRAKES -> Flushing Hydraulic System -> Manual Bleeding -> Pressure Bleeding -> Wheel Bleeding Sequence
Vehicle: 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS

BLEEDING BRAKES

Manual Bleeding

Pressure bleeding is recommended for all hydraulic systems. However, if a pressure bleeder is unavailable, use the following procedure.Brake fluid damages painted surfaces. Immediately clean any spilled fluid.

  • Remove vacuum reserve by pumping brakes several times with engine off.
  • Fill master cylinder reservoir with clean brake fluid. Check fluid level often during bleeding procedure; do not let reservoir fall below half full.
  • If necessary, bleed master cylinder as follows:
    • Disconnect master cylinder forward brake line connection until fluid flows from re...

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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 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...

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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...

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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 Brougham 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+.

ANTI-LOCK BRAKES, GENERAL MOTORS -> 1990 Bonneville, DeVille, Eighty-Eight, Electra, Fleetwood, Ninety-Eight, Park Avenue & 6000 (Teves Type) -> COMPONENT REPLACEMENT -> FLUID RESERVOIR & SEALS -> Front Wheel -> HYDRAULIC ACCUMULATOR -> HYDRAULIC UNIT -> PRESSURE/WARNING SWITCH -> PUMP MOTOR ASSEMBLY -> Rear Wheel -> VALVE BLOCK ASSEMBLY -> WHEEL SENSOR
Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

HYDRAULIC UNIT

  • Disconnect battery ground cable.
  • Depressurize accumulator, refer to .. "Depressurizing Hydraulic Accumulator" procedure.
  • Disconnect all hydraulic unit electrical connectors, then remove all brake fluid from fluid reservoir.
  • Remove pump attaching bolt, then position energy unit aside to gain access to brake pipes.
  • Disconnect hydraulic lines to valve block. Use caution not to twist lines.
  • On 6000 models, remove line attaching hydraulic unit to combination valve.
  • On all models, disconnect push rod from brake pedal, then push dust boot forward, past hex on pushrod.
  • Separa...

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) -> REQUIRED TEST EQUIPMENT
Vehicle: 1990 Oldsmobile 98 Regency 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...

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

Click here to view more details about 1996 Oldsmobile 98 Headlight, Driver Side1996 Oldsmobile 98 Headlight, Driver Side, Bulbs included; Composite type; DOT and SAE approved; A high quality, direct fit OE replacement headlight assembly..

Source: Auto Body Parts Store

$138.65

Click here to view more details1996 Oldsmobile 98 Ignition Switch, 6-prong and 9-prong female terminals; Without lock cylinder; A high quality, OE replacement ignition switch; With 2 years limited Trustbuilt warranty..

Source: Auto Body Parts Store

$77.41

Click here to view more details about 2002 Oldsmobile Alero 16" x 6.5" Alloy Wheel2002 Oldsmobile Alero 16" x 6.5" Alloy Wheel, Alloy Wheel; 16 X 6.5; 42MM Offset; 6 Spokes; 5 Lug; 115MM BP; Stepped Mounting Surface; Polished, , .

Source: Wheels / Rims, Mirrors & Lights Store

$169.50

Click here to view more details1987 Oldsmobile 98 Regency V6, 3.8 L, 231 CID Rebuilt Engine, FWD, roller cam, No distributor, oil pump driven by splines. 7/16" Dia. dipstick tube, GM dipstick P/N 25531505, tube P/N 25531507. With oil pump kit only., Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$1,445.00

Click here to view more details1990 Oldsmobile 98 Used Air Cleaner Assembly, 3.8, AUTO, FWD (3.8L), Very Good.

Source: Used Auto Parts Store

$72.00

Click here to view more details1995 Oldsmobile 98 Used A/C Compressor, 3.8, AUTO, FWD Without supercharger, Very Good.

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$125.00
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