1986 Oldsmobile Calais 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
- Supreme Sedan 4-Door
- ES Sedan 4-Door
- GT Coupe 2-Door
- Base Coupe 2-Door
- Supreme Coupe 2-Door
Engines covered
- 3.0L 181Cu. In. V6 GAS OHV Naturally Aspirated
- 2.5L 2474CC 151Cu. In. l4 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 SECONDARY HOOD LATCH MAY BE INCORRECTLY ALIGNED, OR MAY EXHIBIT A BINDING CONDITION OF THE LATCH PIVOT.
THE SECONDARY HOOD LATCH WILL BE REPLACED AND INSPECT THE PRIMARY HOOD LATCH POP-UP LEVER.
SMALL CRACKS MAY DEVELOP IN THE BODY PILLAR AROUND THE DOOR STRIKER BOLT HOLE.
CRACKS WOULD INCREASE LEADING TO DIFFICULTY IN CLOSINGTHE DOOR AND MIGHT ALLOW DOOR TO COME OPEN DUR
INSTALL INNER AND OUTER REINFORCEMENT PLATE ON BOTH LEFT AND RIGHT BODY PILLARS.
INFORMATION REGARDING SNOW INTRUSION INTO REAR DRUM BRAKE ASSEMBLIES. **MR
WHILE DRIVING CAR STALLED OUT AND UPON STARTING IGNITION AGAIN ENGINE CAUGHT ON FIRE. TT
WHILE DRIVING CAR STALLED OUT AND UPON STARTING IGNITION AGAIN ENGINE CAUGHT ON FIRE. TT
I HAVE HAD NOTHING BUT PROBLEMS WITH THIS CAR. I BOUGHT IT USED 2 YEARS AGO FOR $1000.00 AND HAVE SPEND CLOSE TO $2000.00 JUST KEEPING THE THING RUNNING. I NOW AM IN THE PROCESS OF REPLACING THE ELEC
I HAVE HAD NOTHING BUT PROBLEMS WITH THIS CAR. I BOUGHT IT USED 2 YEARS AGO FOR $1000.00 AND HAVE SPEND CLOSE TO $2000.00 JUST KEEPING THE THING RUNNING. I NOW AM IN THE PROCESS OF REPLACING THE ELEC
I HAVE HAD NOTHING BUT PROBLEMS WITH THIS CAR. I BOUGHT IT USED 2 YEARS AGO FOR $1000.00 AND HAVE SPEND CLOSE TO $2000.00 JUST KEEPING THE THING RUNNING. I NOW AM IN THE PROCESS OF REPLACING THE ELEC
Showing the 5 most serious of 18 complaints filed with NHTSA.
