1991 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
- Eurosport Coupe 2-Door
- Base Sedan 4-Door
- Lujo Sedan 4-Door
- Eurosport Sedan 4-Door
- Lujo Coupe 2-Door
- Base Coupe 2-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
THESE VEHICLES WERE ASSEMBLED WITH REAR OUTBOARD SAFETY BELT ANCHORAGES THAT MAY NOT WITHSTAND THE REQUIRED LOAD. THIS DOES NOT COMPLY WITH FMVSS NO.210, "SEAT BELT ASSEMBLY ANCHORAGES."
CONSEQUENCE OF NON-COMPLIANCE: IN A COLLISON, STRESS CAN CAUSE THE ATTACHMENT METAL TO TEAR AND ALL
DEALERS WILL REPLACE THE EXISTING ANCHOR BOLTS WITH A NEW SHOULDER BOLT AND THREAD LOCKING ADHESIVE.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
VEHICLES MAY SET ANYONE OR A COMBINATION OF FRONT-WHEEL SPEED SENSOR ANTI-LOCK BRAKE SYSTEM CODES AS INTERMITTENT OR HARD FAILURES. GM VOICEMAIL EXPRESS. *TT
ANTI-LOCK BRAKING SYSTEM (ABS) FRONT WHEEL SPEED CODES - JUMPER HARNESS. *TT
ABS FRONT WHEEL SPEED CODES - JUMPER HARNESS. *TT
SOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS GENERALLY ENCOUNTERED AFTER THE ENGINE'S OIL HAS BEEN CHANGED.TYPICALLY THE ODOR LASTS APPROXIMATELY 1000 MILES AFTER THE CHANGE OF OIL AND THEN DOES NOT RE
INFORMATION REGARDING SNOW INTRUSION INTO REAR DRUM BRAKE ASSEMBLIES. **MR
CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *TT
EXCESSIVE OIL CONSUMPTION (REPLACE PCV HARNESS). *TW
Showing the 8 most recent of 17 technical service bulletins on file with NHTSA.
DRIVER'S SEAT HINGE FAILED, CAUSING SEAT TO DISCONNECT UPON IMPACT, RESULTING IN INJURIES. *AK
VIN [XXX] I AM DENIED MY SAFETY RECALL FROM GM 313-875-0300.*AK INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
RIGHT DOOR LATCH/STRIKER FAILURE. *AK
WHEN TRYING TO REMOVE THE CAR FROM THE GARAGE THE CAR SHOT OUT OF THE GARAGE AT 60 MPH FOR NO REASON, LOST CONTROL, ESULTING IN AN ACCIDENT/INJURY. *AK
POWER BRAKE BOOSTER FAILED FOUR TIMES, CAUSING ONE ACCIDENT. *DH
Showing the 5 most serious of 266 complaints filed with NHTSA.
