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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 -> TESTING PROPORTIONING VALVE
Vehicle: 1990 Oldsmobile 98 Regency Touring 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...

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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 -> Delco-Moraine Single Piston w/Dual Mounting Bolts (Type 2) -> SERVICE -> BRAKE SHOE & LINING INSTALLATION -> BRAKE SHOE & LINING REMOVAL -> CALIPER ASSEMBLY -> CALIPER DISASSEMBLY -> CALIPER INSTALLATION -> CALIPER REMOVAL
Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

CALIPER REMOVAL

  • Remove approximately2/3 of brake fluid from master cylinder.
  • Raise and support front of vehicle, then remove wheel and tire assembly.
  • Position suitable pliers over inboard pad and housing as shown in Fig. , and squeeze pliers to compress caliper piston.
  • If caliper assembly is being removed for service, remove inlet fitting attaching bolt, copper washer, and inlet fitting from caliper housing. Plug opening in inlet fitting to prevent fluid loss and contamination. Do not crimp brake hose, as this may damage internal structure of hose. If only shoe and lining assemblies are 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) -> 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+.

DISC BRAKES, GENERAL MOTORS -> General Information -> INSPECTION OF CALIPER
Vehicle: 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS

Should it become necessary to remove the caliper for installation of new parts, clean all parts in alcohol, wipe dry using lint free cloths, using an air hose to blow out drilled passages and bores. Check dust boots for punctures or tears. If punctures or tears are evident, new boots should be installed upon reassembly.

Inspect piston bores for scoring or pitting. Bores that show light scratches or corrosion can usually be cleaned with crocus cloth. However, bores that have deep scratches or scoring may be honed, provided the diameter of the...

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+.

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

  • If any parts are of doubtful strength or quality due to heat discoloration, or are worn, replace them.
  • Inspect wheel cylinder dust boots for signs of excessive wear or damage.
  • Inspect adjusting screw for smooth operation over full length.
  • Clean adjusting screw components in denatured alcohol.Ensure spring clip is installed in correct position, Fig. .
  • Apply suitable lubricant to adjuster screw threads, inside diameter of socket and socket face. Adequate lubrication is achieve...

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

Click here to view more details about 1995 Oldsmobile 98 Grille Assembly1995 Oldsmobile 98 Grille Assembly, With emblem provision, gray frame, and black bar grille insert; A high quality, direct fit OE replacement grille assembly..

Source: Auto Body Parts Store

$145.94

Click here to view more details1995 Oldsmobile 98 Coolant Temperature Sensor, 3/8 in. x 18 NPT thread size; Pin type; With 2-prong male terminal; AutoTrust Platinum products are guaranteed to meet or exceed the original manufacturer's standards and quality; <b>Backed by a 5-year unlimited warranty</b>; If the part breaks or is damaged anytime within 5 years from purchase, simply cover shipping and handling and we will send you a new part - even if we have already sent you a new product and it becomes damaged again..

Source: Auto Body Parts Store

$7.34

Click here to view more details2002 Oldsmobile Intrigue Radiator, Radiator; 3.5LTR, , .

Source: Wheels / Rims, Mirrors & Lights Store

$155.50

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 details1989 Oldsmobile 98 Used AM-FM-Cassette, AM-mono-FM-stereo-cass, Very Good.

Source: Used Auto Parts Store

$62.00

Click here to view more details1995 Oldsmobile 98 Used Radio / CD Player / GPS, CD PLAYER (REMOTE MULTI-DISC), 6 DISC, KNOBS WORN, Good.

Source: Used Auto Parts Store

$108.00
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