1985 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
- 500 Convertible 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.
A LOSS OF BONDING ADHESION BETWEEN THE PAINT AND THE WINDSHIELD OPENING AREA COULD ALLOW THE WINDSHIELD TO SEPARATE DURING A 30 MILE PER HOUR FRONTAL BARRIER TEST REQUIRED BY FMVSS 212, WINDSHIE
REMOVE AND REINSTALL WINDSHIELD IF A LACK OF PAINT BONDING IS EVIDENT.
THE THROTTLE RETURN SPRING ASSEMBLY MAY FAIL PREVENTING THE THROTTLE FROM RETURNING TO THE CLOSED (IDLE) POSITION WHEN THE ACCELERATOR PEDAL IS RELEASED.
REPLACE THROTTLE RETURN SPRING.
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
STEERING COLUMN WHEEL HAS CRACKED ON TWO OCCASIONS, INDICATOR LIGHT LEVER ALSO BROKE OFF. TT
STEERING COLUMN WHEEL HAS CRACKED ON TWO OCCASIONS, INDICATOR LIGHT LEVER ALSO BROKE OFF. TT
SMOKE COMING FROM ENGINE. *SD
HOOD LATCH FAILED AFTER RECALL REPAIRS, CAUSING HOOD TO FLY UP. (86V-1210) *AW
