Repairing 1990 Oldsmobile 98 Automobiles? Access Complete DIY repair procedures (Charts, Diagrams, Procedures, Specifications)

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1990 Oldsmobile 98 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Oldsmobile REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

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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 Oldsmobile 98 automobile. Try the Automotix DIY solution today!

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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Oldsmobile mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1990 Oldsmobile 98 vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-2002 Buick Electra, LeSabre & Park Avenue, Oldsmobile Eighty-Eight, LSS, Ninety-Eight & Regency & Pontiac Bonneville
Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

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BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

DRUM BRAKES, GENERAL MOTORS -> General Information -> GENERAL INSPECTION -> ADJUSTER MECHANISM -> BACKING PLATE -> BRAKE DRUMS -> BRAKE LININGS & SPRINGS -> PARKING BRAKE CABLE
Vehicle: 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS

BRAKE DRUMS

Any time the brake drums are removed for brake service, the braking surface diameter should be checked with a suitable brake drum micrometer at several points to determine if they are within the safe oversize limit stamped on the brake drum outer surface. If the braking surface diameter exceeds specifications, the drum must be replaced. If the braking surface diameter is within specifications, drums should be cleaned and inspected for cracks, scores, deep grooves, taper, out of round and heat spotting. If drums are cracked or heat spotted, they must be replaced. Mi...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

General Motors Corp./Saturn Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1980-06 Gasoline Engine Models Except Catera, LeMans (1988-93) Metro, Nova (1985-88), Saturn & Sprint -> Normal Service -> Severe Service
Vehicle: 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

CV AXLE SHAFT, Replace
Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

Raise and support vehicle, then remove tire and wheel assembly.
Install a brass drift or a screwdriver to prevent rotor from turning.
Remove shaft nut and washer.
Remove brake caliper from steering knuckle and suspend caliper assembly.
Remove rotor from hub and bearing assembly, then stabilizer shaft or link from control arm.
Remove ball joint from steering knuckle.
Remove drive axle from transaxle using axle shaft remover tool No. J-33008, a...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

Starter, Replace
Vehicle: 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS

When removing starter, note if any shims are used between the starter and mounting surface. If shims are found, reinstall in original locations.

If starter is noisy during cranking, remove one .015 inch double shim or add one .015 inch single shim to the outer bolt. If starter makes a high pitched whine after engine start, add .01...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

General Motors Corp./Saturn Cars -> Anti-Lock Warning Lamp ->
Vehicle: 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

This lamp should light when the ignition is turned On. The lamp may light for as long as 30 seconds as a bulb and system inspection. If lamp remains lit or lights while operating the vehicle, a fault condition in the anti-lock brake system is indicated. When lamp is lit, turn ignition Off, then restart engine. If l...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

Lower

Drain coolant into a suitable container.
Loosen hose clamp connecting hose to radiator.
Loosen hose clamp connecting hose to water pump inlet.
Remove hose from vehicle.
Reverse procedure t...

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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Oldsmobile 98 AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

Rotate tensioner counterclockwise, using a suitable tool to re...

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COMPONENT LOCATION DIAGRAMS FOR 1990 Oldsmobile 98 AUTOMOBILES

Component location diagrams for most 1990 Oldsmobile 98 cars and light trucks sold in the U.S. from 1990+.

Alarm Module Diagram for 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

Components on diagram:

Alarm Module

Twilight Sentinel Amplifier Connector

Power Seats Components Location Diagram for 1990 Oldsmobile 98 Regency Brougham 3.8 V6 GAS

Components on diagram:

Seat Memory Module

Seat Switch

Front Height Motor

Forward/Back Motor

Rear Height Motor

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WIRING DIAGRAMS FOR 1990 Oldsmobile 98 AUTOMOBILES

OEM drawn wiring diagrams for most 1990 Oldsmobile 98 cars and light trucks sold in the U.S.

1990 Oldsmobile 98 Regency 3.8 V6 GAS Wiring Diagram

Components on diagram:

Ignition Switch

Park Brake Switch

Brake Fluid Level Switch

Alarm Module

Brake Hydraulic Unit

1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS Wiring Diagram

Components on diagram:

Right Door Lock Switch

Left Door Lock Switch

Keyless Entry Module

Left Front Door Lock Motor

Right Front Door Lock Motor

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TECHNICAL SERVICE BULLETINS FOR 1990 Oldsmobile 98 AUTOMOBILES

OEM TSB listings for most 1990 Oldsmobile 98 cars and light trucks sold in the U.S. from 1985+.

Document: Car and Truck Fix It Right the First Time Issues
Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

Auto Systems:

Labor Times, Manuals, Warranty, Aids

Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED
Vehicle: 1990 Oldsmobile 98 Regency 3.8 V6 GAS

Auto Systems:

Labor Times, Manuals, Warranty, Aids

Wheels, Tires, Wheel Bearings, Seals, Hubs

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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Oldsmobile 98 AUTOMOBILES

BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Oldsmobile 98 cars and light trucks sold in the U.S. and Canada from 1970+.

Brake caliper mounting bolt torque
Brake drum runout, machining, & discard specs
Minimum brake lining thickness.
Brake rotor runout, parallelism, machining, discard, & finish specs

A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1990 Oldsmobile 98 cars and light trucks sold in the U.S. and Canada from 1980+.

Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap

COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.

PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules

QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1990 Oldsmobile 98 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.

Automatic transmission/transaxles capacities, lubricant recommendations
Differential/final drive capacities, lube recommendations, grades, & viscosities
Final drive fill & drain plug torques
Number of lubrication fittings & plugs
Power steering, brake, & clutch fluid recommendations
Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
Number of lubrication fittings & plugs
Power steering, brake, & clutch fluid recommendations
Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
Severe service maintenance & interval recommendations
Tire sizes, wheel nut/bolt torque, pressures & rim sizes
Transfer case capacities, lube recommendations, grades, & viscosities

TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1990 Oldsmobile 98 cars and light trucks sold in the U.S. and Canada from 1980+

Airflow sensor electrical specifications
Tensioning specifications for systems with automatic tensioners
Barometric pressure sensor specs
Battery group number and cranking performance
Crankshaft & camshaft position sensor resistance
Engine compression pressures
Coolant temperature sensor specs
Computer advance.
Diesel fuel temperature sensor resistance.
Distributor advance specifications
Ignition pickup coil resistance
Exhaust gas recirculation temperature sensor resistance
Engine fastener torque values
Firing order diagrams
Fuel system pressures
Generator (alternator) specs
Intake air temperature sensor specs
Ignition coil specifications
Fuel injector resistance
Engine idle speeds
Knock sensor resistance
Manifold absolute pressure sensor specs
Mixture control solenoid resistance
Voltage regulator specs
Spark plug applications & gaps
Starter motor electrical specs.
Tensioning specifications for systems without automatic tensioners
Throttle body temperature sensor resistance
Ignition timing in degrees at rpm
Transmission oil temperature sensor resistance
Throttle position sensor specs
Vacuum sensor valve specs

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

	1996 Oldsmobile 98 Antenna, 4-section mast; 1200 mm cable; With top and side key; A high quality universal fender mount antenna; May require modification or other adjustment to your vehicle upon installation; Backed by 1-year, unlimited-mileage warranty.. Source: Auto Body Parts Store	$5.62

	1996 Oldsmobile 98 Brake Disc, Front. Source: Auto Body Parts Store	$56.53

	1995 Oldsmobile Supreme Sedan Manual Door Mirror, Passenger Side, PASSENGER SIDE MANUAL DOOR MIRROR, PAINT TO MATCH , , . Source: Wheels / Rims, Mirrors & Lights Store	$76.45

	1979 Oldsmobile 98 V8, 5.7 L, 350 CID Rebuilt Engine, Six bolt holes on exhaust side of head, 4-bolt main. Optional high-performance engine supplied with flat top pistons, performance cam, 194 intake valve heads, and high volume oil pump., Warranty: 7-Year/70,000 Mile, . Source: Rebuilt Engines Store	$1,243.00

	1995 Oldsmobile 98 Used Ignition Switch W/Key, Without floor console, Very Good. Source: Used Auto Parts Store	$73.00

	1980 Oldsmobile 98 Used A/C Compressor, 7.4, AUTO, 4X2 radial, Very Good. Source: Used Auto Parts Store	$136.00
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Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 1990 Oldsmobile 98 vehicle.