1986 Oldsmobile Calais Service and Repair Manual

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Covers all 1986 Calais trims — Base Sedan 4-Door, Supreme Sedan 4-Door, ES Sedan 4-Door +3 more ·
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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
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 #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

19960102Component: FUEL SYSTEM, GASOLINEFire reported

WHILE DRIVING CAR STALLED OUT AND UPON STARTING IGNITION AGAIN ENGINE CAUGHT ON FIRE. TT

19960102Component: ELECTRICAL SYSTEM:IGNITIONFire reported

WHILE DRIVING CAR STALLED OUT AND UPON STARTING IGNITION AGAIN ENGINE CAUGHT ON FIRE. TT

20040115Component: ENGINE AND ENGINE COOLING

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

20040115Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

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

20040115Component: UNKNOWN OR OTHER

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.

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