1994 Oldsmobile 98 Service and Repair Manual

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Factory-Grade Data

1994 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
  • Regency Sedan 4-Door

Engines covered

  • 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
  • 3.8L 3800CC 231Cu. In. V6 GAS OHV Supercharged

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

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Vehicle Safety Data

1994 Oldsmobile 98 Recalls & Complaints

NHTSA #94V13800002/08/1994Component: EXTERIOR LIGHTING:HEADLIGHTS:SWITCH

A SPRING IN THE HEAD LAMP PORTION OF THE HEAD PARK LAMP SWITCH CAN FAIL PREVENTING LATCHING OF THE HEAD LAMP PORTION OF THE SWITCH IN THE "ON" POSITION.

Consequence

THE HEAD LAMPS WOULD NOT STAY ILLUMINATED RESULTING IN REDUCED DRIVER VISIBILITY.

Remedy

DEALERS WILL INSPECT HEAD/PARK LAMP SWITCH BUILD DATE CODES AND REPLACE SWITCHES WITH SUSPECT DATE C

TSB #10246631

Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules

TSB #619370

OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN STANDING IN PARK ON A HILL OR SLOPE WITH THE ENGINE RUNNING AND THE PARKING

TSB #6089996

SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN IN PARK ON INCLINE. *TT

TSB #603085

SOME CUSTOMERS MAY COMMENT THAT THERE IS CORROSION ( RUST ) APPEARING ON THE LEFT AND /OR RIGHT ROCKER PANEL(S). *YC

TSB #602983

CONCERNS OF DOOR HANDLES ON WHITE PAINTED VEHICLES TRUNING YELLOW. *YC

TSB #602751

SOME CUSTOMERS MAY COMMENT THAT THE VEHICLE

TSB #54328

EXPERIENCING INTERMITTENT STEERING COLUMN SNAP OR CLICK NOISE WHEN TURNING. *YC

TSB #54065

COMMENTS ON INOPERATIVE POWER DOOR LOCKS (FRONT AND/OR REAR DOORS).

Showing the 8 most recent of 23 technical service bulletins on file with NHTSA.

19960312Component: AIR BAGS:FRONTALCrash reportedFire reported1 injured

DRIVER AND PASSENGER SIDE AIRBAGS DEPLOYED IN A FRONTAL COLLISION CAUSING A MINOR FIRE, ALSO AIRBAGS BROKE WINDSHIELD. *AK

19960312Component: AIR BAGS:FRONTALCrash reportedFire reported1 injured

DRIVER AND PASSENGER SIDE AIRBAGS DEPLOYED IN A FRONTAL COLLISION CAUSING A MINOR FIRE, ALSO AIRBAGS BROKE WINDSHIELD. *AK

19960312Component: AIR BAGS:FRONTALCrash reportedFire reported1 injured

DEPLOYMENT OF DRIVER'S AIR BAG WAS VIOLENT IN FRONTAL COLLISION, RESULTING IN A MINOR FIRE/INJURIES. *AK

20030306Component: AIR BAGSCrash reported1 injured

VEHICLE WAS INVOLVED IN A FRONT COLLISION, AND AIR BAGS DID NOT DEPLOY, CONSUMER WAS INJURED.*JB

20010510Component: AIR BAGS:FRONTALCrash reported1 injured

WHILE DRIVING 30 MPH VEHICLE HIT A SMALL TREE, BOTH AIRBAGS DEPLOYED. CONSUMER RECEIVED BURNS TO RIGHT SIDE OF FACE/ BLEEDING BEHIND RIGHT EYE, AND A FRACTURED NOSE. STILL UNDER MEDICAL ATTENTION.

Showing the 5 most serious of 23 complaints filed with NHTSA.

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