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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+.

POWER BRAKE UNITS, GENERAL MOTORS -> GENERAL SERVICE -> AIR METHOD -> Delco-Moraine Type -> GAUGE METHOD -> POWER BOOSTER REPLACE -> PRECAUTIONS -> PUSHROD ADJUSTMENT -> Single Diaphragm Type
Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies, which use engine vacuum or, in some cases vacuum pressure developed by an external vacuum pump. The second type is a hydraulic pressure assist mechanism, which use pressure developed by an external pump (usually the power steering pump). Both systems act to increase the force exerted on the master cylinder piston by the operator. This in turn increases the hydraulic pressure delivered to the wheel cylinders, while decreasing driver effort necessary to obtain acceptable stopping performance.

V...

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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+.

POWER BRAKE UNITS, GENERAL MOTORS -> GIRLOCK SINGLE DIAPHRAGM TYPE -> Assembly -> Brakes Grab -> Brakes Slow To Release Or Drag -> Brakes Slow To Respond -> DESCRIPTION -> Disassembly -> Excessive Pedal Effort -> OVERHAUL -> TROUBLESHOOTING
Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

DESCRIPTION

This booster is a single diaphragm, vacuum suspended unit with a lightweight cast alloy housing,Fig. . Vacuum is applied to the front and rear housings. When the brake pedal is released, negative pressure is equalized on both sides of the diaphragm and power piston assembly. Spring tension holds the piston at the rest position. When the brakes are applied, the atmospheric port in the power piston is opened. Negative pressure in the front chamber pulls the diaphragm and vacuum piston assembly, reaction disc and output rod forward. Pressure on the master c...

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 -> PROPORTIONING VALVE
Vehicle: 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS

The proportioning valve (when used), Fig. , provides balanced braking action between front and rear brakes under a wide range of braking conditions. The valve regulates the hyd...

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 -> BRAKE SHOES, LININGS & CALIPERS
Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

Remove wheels and inspect brake disc, caliper and linings. The wheel bearings should be inspected at this time and repacked if necessary. Do not get any grease on the linings.

Do not replace individual pads or replace pads on one wheel of an axle set alone, as braking performance will be adversely affected.

If a visual inspection does not ade...

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 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+.

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

The purpose of this Teves anti-lock brake system, is to prevent wheel lockup under heavy brake application.

The anti-lock function is desirable because a vehicle which is stopped without locking the wheels will normally sto...

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

Click here to view more details about 1991 Oldsmobile 98 Alternator1991 Oldsmobile 98 Alternator, 105 amps output, 12 V, internally regulated, clockwise rotation, 11 o'clock position, 1255 pulley; Replaces OE Delco unit; No core required; A high quality, direct fit OE replacement alternator; May not include pulley..

Source: Auto Body Parts Store

$82.46

Click here to view more details about 1990 Oldsmobile 98 Fog Light, Driver Or Passenger Side1990 Oldsmobile 98 Fog Light, Driver Or Passenger Side, Bulbs included; Rectangular; Without bracket; DOT and SAE approved; A high quality, direct fit OE replacement fog light assembly..

Source: Auto Body Parts Store

$45.00

Click here to view more details1971 Oldsmobile Cutlass Head Light Housing Screw Kit, Head Light Housing Screw Kit, , .

Source: Wheels / Rims, Mirrors & Lights Store

$18.50

Click here to view more details1971 Oldsmobile 98 V8, 7.5 L, 455 CID Rebuilt Engine, Olds, specify automatic or 4 speed transmission, Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$1,865.00

Click here to view more details1992 Oldsmobile 98 Used Hub Bearing , Driver Side, FRONT, NEW AFTERMARKET, Very Good.

Source: Used Auto Parts Store

$93.00

Click here to view more details1986 Oldsmobile 98 Used Steering Gear, 3.8, AUTO, FWD, PS Power Rack & Pinion; 15 whl, Very Good.

Source: Used Auto Parts Store

$123.00
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