1985 Oldsmobile Calais Service and Repair Manual

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Covers all 1985 Calais trims — 500 Convertible 2-Door, Base Coupe 2-Door, Supreme Coupe 2-Door ·
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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
NHTSA #86V12100028/08/1986Component: LATCHES/LOCKS/LINKAGES:HOOD:LATCH

THE SECONDARY HOOD LATCH MAY BE INCORRECTLY ALIGNED, OR MAY EXHIBIT A BINDING CONDITION OF THE LATCH PIVOT.

Remedy

THE SECONDARY HOOD LATCH WILL BE REPLACED AND INSPECT THE PRIMARY HOOD LATCH POP-UP LEVER.

NHTSA #85V04700026/04/1985Component: VISIBILITY:WINDSHIELD

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

Remedy

REMOVE AND REINSTALL WINDSHIELD IF A LACK OF PAINT BONDING IS EVIDENT.

NHTSA #86V03000021/02/1986Component: VEHICLE SPEED CONTROL:SPRINGS

THE THROTTLE RETURN SPRING ASSEMBLY MAY FAIL PREVENTING THE THROTTLE FROM RETURNING TO THE CLOSED (IDLE) POSITION WHEN THE ACCELERATOR PEDAL IS RELEASED.

Remedy

REPLACE THROTTLE RETURN SPRING.

NHTSA #87V12400010/08/1987Component: STRUCTURE

SMALL CRACKS MAY DEVELOP IN THE BODY PILLAR AROUND THE DOOR STRIKER BOLT HOLE.

Consequence

CRACKS WOULD INCREASE LEADING TO DIFFICULTY IN CLOSINGTHE DOOR AND MIGHT ALLOW DOOR TO COME OPEN DUR

Remedy

INSTALL INNER AND OUTER REINFORCEMENT PLATE ON BOTH LEFT AND RIGHT BODY PILLARS.

TSB #613590

INFORMATION REGARDING SNOW INTRUSION INTO REAR DRUM BRAKE ASSEMBLIES. **MR

19960118Component: STEERING: STEERING WHEEL/HANDLE BAR

STEERING COLUMN WHEEL HAS CRACKED ON TWO OCCASIONS, INDICATOR LIGHT LEVER ALSO BROKE OFF. TT

19960118Component: EXTERIOR LIGHTING:TURN SIGNAL:SWITCH

STEERING COLUMN WHEEL HAS CRACKED ON TWO OCCASIONS, INDICATOR LIGHT LEVER ALSO BROKE OFF. TT

19960104Component: ENGINE AND ENGINE COOLING:ENGINE

SMOKE COMING FROM ENGINE. *SD

19950310Component: LATCHES/LOCKS/LINKAGES:HOOD:LATCH

HOOD LATCH FAILED AFTER RECALL REPAIRS, CAUSING HOOD TO FLY UP. (86V-1210) *AW

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