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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+.

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+.

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+.

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 Touring 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+.

DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Single Piston w/Dual Mounting Bolts (Type 2) -> DESCRIPTION
Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

The caliper has a single piston and is mounted to the support bracket by two mounting bolts, Figs. through . The caliper assembly slides on the two mounting bolts. Upon brake application, fluid pressure against the piston forces the inboard s...

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 -> INSTALLATION
Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

  • Press adjuster pin and spring washer into shoe and lining so that pin projects .275-.283 inch from the side on which the adjuster actuator is installed.
  • Install adjuster shoe and lining, to front of vehicle on left side or to rear of vehicle on right side.
  • Install parking brake lever on shoe and lining with spring washer, pin and retaining ring. Install spring washer with concave side against parking brake lever.
  • Attach adjuster shoe and lining to remaining shoe with lower return spring.
  • Install both shoes on backing plate, securing with hold-down pins and springs.
  • Install adjuster actu...

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+.

HYDRAULIC BRAKE SYSTEM, GENERAL MOTORS -> COMPONENT DESCRIPTION -> BRAKE DISTRIBUTION VALVE & SWITCH -> BRAKE WARNING LAMP SWITCHES -> COMBINATION VALVE -> Failure Warning Switch -> Fluid Level Sensor -> Metering Valve -> Proportioning or Pressure Control Valve -> Testing Warning Lamp Operation
Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

BRAKE WARNING LAMP SWITCHES

There are four basic types of brake warning lamp switches as shown,Figs. through . When a pressure differential occurs between the front and rear brake systems, the valves will shuttle toward the side with the low pressure.

In the switch shown inFig. , movement of the differential valve forces the switch plunger upward over the tapered shoulder of the valve to close the switch contacts and light the dual brake warning lamp, signaling a brake system failure.

InFig. , the valve assembly consists of two valves in a common bore that are spring loaded ...

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

Click here to view more details about 1990 Oldsmobile 98 Door Handle, Front Or Rear, Driver Side1990 Oldsmobile 98 Door Handle, Front Or Rear, Driver Side, Without keyhole; A high quality, OE replacement door handle; Backed by 1-year, unlimited-mileage warranty..

Source: Auto Body Parts Store

$11.43

Click here to view more details1989 Oldsmobile 98 Oil Pressure Switch, 1/4 in. x 18 NPT thread size; Post type; 3-prong male terminal; A high quality, direct fit OE replacement oil pressure switch; With 2 years limited Trustbuilt warranty..

Source: Auto Body Parts Store

$27.93

Click here to view more details1996 Oldsmobile Ciera Hvac Heater Block, Hvac Heater Core, , .

Source: Wheels / Rims, Mirrors & Lights Store

$36.50

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: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$1,286.00

Click here to view more details1991 Oldsmobile 98 Used Hood, 4DR, TAN, BASE 10ML, Good.

Source: Used Auto Parts Store

$129.00

Click here to view more details1980 Oldsmobile 98 Used Wiper Motor Front, Very Good.

Source: Used Auto Parts Store

$70.00
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