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1991 Oldsmobile 98 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Oldsmobile REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1991 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: 1991 Oldsmobile 98 Regency Touring 3.8 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Oldsmobile 98 AUTOMOBILES
DISC BRAKES, GENERAL MOTORS -> General Information -> GENERAL PRECAUTIONS
Vehicle: 1991 Oldsmobile 98 Regency Elite 3.8 V6 GAS
- Grease or any other foreign material must be kept off the brake linings, caliper, surfaces of the disc and external surfaces of the hub, during service procedures. Handling the brake disc and caliper should be done in a way to avoid deformation of the disc and nicking or scratching brake linings.
- If inspection reveals rubber piston seals are worn or damaged, they should be replaced immediately.
- During removal and installation of a wheel assembly, exercise care so as not to interfer...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 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: 1991 Oldsmobile 98 Regency Elite 3.8 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Oldsmobile 98 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Oldsmobile 98 Regency Touring 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 1991 Oldsmobile 98 AUTOMOBILES
Starter, Replace
Vehicle: 1991 Oldsmobile 98 Regency Elite 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 1991 Oldsmobile 98 AUTOMOBILES
General Motors Corp./Saturn Cars -> Low Washer Fluid Indicator ->
Vehicle: 1991 Oldsmobile 98 Regency Elite 3.8 V6 GAS
The windshield washer solvent tank has a switch that closes when the wash...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Oldsmobile 98 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1991 Oldsmobile 98 Regency Elite 3.8 V6 GAS
Inlet
- Drain coolant into a suitable container.
- Loosen hose clamp connecting hose to heater core inlet tube.
- Loosen hose clamp connecting hose to intake manifold.
- Remove hose from vehicle.
- Reverse procedure to...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Oldsmobile 98 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Oldsmobile 98 Regency Touring 3.8 V6 GAS
- Rotate tensioner counterclockwise, using a suitable tool to re...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Oldsmobile 98 AUTOMOBILES
Component location diagrams for most 1991 Oldsmobile 98 cars and light trucks sold in the U.S. from 1990+.
Behind Center Of I/P Diagram for 1991 Oldsmobile 98 Regency Elite 3.8 V6 GAS Components on diagram: |
Behind Center Of I/P Diagram for 1991 Oldsmobile 98 Regency Touring 3.8 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1991 Oldsmobile 98 AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Oldsmobile 98 cars and light trucks sold in the U.S.
1991 Oldsmobile 98 Regency Elite 3.8 V6 GAS Wiring Diagram Components on diagram: |
1991 Oldsmobile 98 Regency Touring 3.8 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Oldsmobile 98 AUTOMOBILES
OEM TSB listings for most 1991 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: 1991 Oldsmobile 98 Regency Touring 3.8 V6 GAS Auto Systems: |
Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1991 Oldsmobile 98 Regency Touring 3.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Oldsmobile 98 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 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 1991 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 1991 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 1991 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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