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1991 Oldsmobile 98 Service and Repair Manual
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$29.99 USD
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Covers all 1991 98 trims — Regency Elite Sedan 4-Door, Touring Sedan 4-Door ·
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Complete repair procedures
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1991 Oldsmobile 98 Service and Repair Manual
Regular price
$29.99 USD
Unit price
1991 Oldsmobile 98 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Regency Elite Sedan 4-Door
- Touring Sedan 4-Door
Engines covered
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
WHEN APPLIED, THE PARKING BRAKE LEVER ASSEMBLY MAY RELEASE ONE OR MORE TEETH, REDUCING THE CABLE LOAD TO THE REAR BRAKES.
Consequence
DEPENDING ON THE EXTENT OF THE LEVER RELEASE AND ROADLEVEL. THE PARKING BRAKE MAY NOT HOLD THE VEHIC
Remedy
REPLACE PARKING BRAKE LEVER ASSEMBLY.
THE CONSOLE MOUNTED SHIFT LEVER MAY DISENGAGE FROM THE SHIFT CONTROL CABLE BRACKET CAUSING LOSS OF GEAR INDICATOR REFERENCE AND SHIFT SELECTOR OPERATION.
Consequence
THE DRIVER CAN PLACE THE GEAR SHIFTER IN THE PARKPOSITION WITHOUT SETTING THE PARKING BRAKE AND THE
Remedy
INSTALL TWO TRANSAXLE SHIFT CONTROL CABLE RETAINING CLIPS.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
SOME CUSTOMERS MAY COMMENT THAT THERE IS CORROSION ( RUST ) APPEARING ON THE LEFT AND /OR RIGHT ROCKER PANEL(S). *YC
CONCERNS OF DOOR HANDLES ON WHITE PAINTED VEHICLES TRUNING YELLOW. *YC
SOME CUSTOMERS MAY COMMENT THAT THE VEHICLE
COMMENTS ON INOPERATIVE POWER DOOR LOCKS (FRONT AND/OR REAR DOORS).
EXCESSIVE VIBRATION OF ELECTROCHROMIC INSIDE REARVIEW MIRROR. *TW
COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW
COLD START RATTLE NOISE. *TW
Showing the 8 most recent of 10 technical service bulletins on file with NHTSA.
CONSUMER WAS REAR ENDED AT ABOUT 25-30 MPH, AND FRONT PASSENGER SEAT BROKE ON RIGHT SIDE OF SEAT. CONTACTED MANUFACTURER. *AK
NO DEPLOYMENT OF DRIVER'S AIRBAG DURING ACCIDENT, CAUSING SERIOUS INJURIES. *SD
CONSUMER WAS TRAVELING ABOUT 5MPH IN SLOW TRAFFIC, PRESSED ON BRAKES AND PEDAL WENT STRAIGHT TO THE FLOOR. CONSUMER REAREDNDED ANOTHER VEHICLE. CONSUMER INDICATED THIS HAPPENED FREQUENTLY. DEALE
WHILE DRIVING IN A PARKING LOT ABOUT 2-3MPH, DRIVER'S AIRBAG DEPLOYED UNEXPECTEDLY WITHOUT A DIRECT FRONTAL IMPACT DUE TO A DEFECTIVE SOLENOID SENSOR IN THE STEERING COLUMN. THE AIRBAG LIGHT CAME ON
THE CAR HAS ABS BRAKES. WHEN APPLYING THE BRAKES THE PEDAL GOES TO THE FLOOR AND THE CAR DOES NOT STOP. IT HAS CAUSED AN ACCIDENT. PLEASE DESCRIBE. TT
Showing the 5 most serious of 69 complaints filed with NHTSA.
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