1991 Oldsmobile Toronado 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
- Trofeo Coupe 2-Door
- Base Coupe 2-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
THE FRONT OUTER SHOULDER BELT WEB SEW STOP CAN BECOME STUCK IN THE RETRACTOR. THE BELT CAN BE DIFFICULT TO PULL OUT OF THE RETRACTOR AND SOME OCCUPANTS MAY NOT BE ABLE TO FASTEN THE BELT.
THIS CONDITION CAN PREVENT A PERSON FROM USING THEIR RESTRAINT SYSTEM RESULTING IN AN INCREASED RISK
DEALER WILL INSTALL A WEBBING STOP BUTTON IF THE CUSTOMER REQUESTS REPAIR.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW
COLD START RATTLE NOISE. *TW
COLD START RATTLE NOISE. *TW
ENGINE CRANKS BUT WONT START .SPUTTERS A BIT THEN STALLS OUT I CAN HEAR THE FUEL PUMP RUNNING. *TR
ENGINE CRANKS BUT WONT START .SPUTTERS A BIT THEN STALLS OUT I CAN HEAR THE FUEL PUMP RUNNING. *TR
ENGINE CRANKS BUT WONT START .SPUTTERS A BIT THEN STALLS OUT I CAN HEAR THE FUEL PUMP RUNNING. *TR
INSTRUMENT PANEL GAUGES FAIL TO ILLUMINATE OR TO BE SEEN BY THE DRIVER. THIS ONLY HAPPENS WHEN THE WEATHER IS HUMID OR IT HAS BEEN RAINING. WOULD NOT HAVE NO INTERIOR LIGHTS TO SEE. WILL BE TAKING VE
INSTRUMENT PANEL:CLUSTER MODULE FAILED.
Showing the 5 most serious of 6 complaints filed with NHTSA.
