1998 Oldsmobile Cutlass Service and Repair Manual

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Covers all 1998 Cutlass trims — Base Sedan 4-Door, GLS Sedan 4-Door ·
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1998 Oldsmobile Cutlass 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

  • Base Sedan 4-Door
  • GLS Sedan 4-Door

Engines covered

  • 3.1L 189Cu. 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
NHTSA #03V52700011/12/2003Component: STEERING:RACK AND PINION

CERTAIN PASSENGER VEHICLES HAVE LOWER PINION BEARINGS IN THE POWER RACK AND PINION ASSEMBLY IN WHICH THE RETAINER TABS WERE NOT CRIMPED PROPERLY. THESE RETAINERS COULD FAIL AND PERMIT THE BALL BEARI

Consequence

IF THIS OCCURS, THE PINION SHAFT CAN BE FORCED UPWARD DURING LEFT TURNS AND BACK DOWN AS THE STEERIN

Remedy

DEALERS WILL INSTALL A NEW LOWER PINION BEARING UNLESS INSPECT OF THE EXISTING BEARING INDICATES THA

TSB #10208027

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

TSB #10171318

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

TSB #10246631

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

TSB #10023942

INFORMATION ON 4T40-E (MN4) AND 4T45-E (MN5) FRONT WHEEL DRIVE AUTOMATIC TRANSMISSION VALVE BODY RECONDITIONING, DTC P0741, P0742, P0751, P0752, P0756, P0757, P1811, HARSH SHIFTS, SLIPS, NO DRIVE, NO REVERSE. *NJ

TSB #10023171

ABS PUMP RUNNING WHEN NOT NEEDED. *NJ

TSB #10022923

SDM REPROGRAM - CLASS ACTION SETTLEMENT (U.S. ONLY). *NJ

TSB #10020731

REVISED TILT STEERING WHEEL AND COLUMN FASTENER TIGHTENING SPECIFICATIONS. *KB

TSB #10017096

VEHICLE WILL NOT MOVE IN EITHER DIRECTION. TRANSMISSION MAY SHOW OVER FULL. P90 4T40E 4T45E NO MOVEMENT DRIVE OR REVERSE. CONVERTER MAY BE EMPTY OF FLUID. *TT

Showing the 8 most recent of 84 technical service bulletins on file with NHTSA.

20040123Component: AIR BAGS:FRONTALCrash reported1 injured

THE VEHICLE WAS INVOLVED IN A FRONTAL COLLISION WHILE DRIVING 35 MPH. UPON IMPACT, THE FRONT AIR BAGS DID NOT DEPLOY. THE DRIVER SUSTAINED FACIAL INJURIES AND WAS TRANSPORTED TO THE HOSPITAL. *AK

19981029Component: AIR BAGS:FRONTALCrash reported1 injured

WHILE DRIVING AT 5 MPH WENT TO APPLY THE BRAKES AND REAR ENDED ANOTHER VEHICLE. THE AIR BAGS TO DEPLOYED, CAUSING BURNS TO THE CONSUMER. *AK

20070629Component: AIR BAGS:FRONTAL:SENSOR/CONTROL MODULECrash reported

ON 1/07 HAD LOW SPEED SLIDE ON ICY ROAD , CAUSING IMPACT WITH SMALL TREE, AND RESULTING IN MINOR CRACKS IN RIGHT FRONT BUMPER CAP, AND SUBSEQUENT AIR BAG DEPLOYMENT. NOW, HAVE RECEIVED INFORMATION

20010916Component: ELECTRICAL SYSTEM:IGNITION:MODULECrash reported

POWER FAILURE- DRIVING APPROX. 20MPH- CAR HESITATES- TRAVELS 3-5MPH-NEED TO STOP THE CAR TO PICK UP SPEED. HAD IT TO THE DEALER 10 TIMES- REPLACED PCM, FUEL REGULATER/PUMP AND CATALYTIC CONVERTER -PO

20010916Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINECrash reported

POWER FAILURE- DRIVING APPROX. 20MPH- CAR HESITATES- TRAVELS 3-5MPH-NEED TO STOP THE CAR TO PICK UP SPEED. HAD IT TO THE DEALER 10 TIMES- REPLACED PCM, FUEL REGULATER/PUMP AND CATALYTIC CONVERTER -PO

Showing the 5 most serious of 223 complaints filed with NHTSA.

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