1987 Pontiac Bonneville Service and Repair Manual

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Factory-Grade Data

1987 Pontiac Bonneville 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.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • LE Sedan 4-Door
  • Base Sedan 4-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

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Vehicle Safety Data

1987 Pontiac Bonneville Recalls & Complaints

NHTSA #88V08000016/05/1988Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

EXCESSIVE ACCELERATOR CABLE FRICTION MAY RESTRICT THE CABLES FREE MOVEMENT BETWEEN THE ACCELERATOR PEDAL AND THE THROTTLE BODY.

Consequence

THIS COULD PREVENT THROTTLE FROM RETURNING TO CLOSED(IDLE) POSITION WHEN ACCELERATOR PEDAL IS RELEAS

Remedy

REPLACE ACCELERATOR CABLE.

NHTSA #87V10300010/07/1987Component: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

THE HEADLAMP CIRCUIT BREAKER MAY OVERHEAT AT LOW BEAM CAUSING AN INTERMITTENT HEADLAMP CIRCUIT.

Consequence

HEADLAMP AND FOGLAMPS WOULD GO OUT SUDDENLY REDUCINGDRIVER VISIBILITY, WHICH COULD RESULT IN A VEHIC

Remedy

REVISE FOGLAMP CIRCUIT TO PREVENT OVERHEATING OF HEADLAMP CIRCUIT.

NHTSA #87V13500001/09/1987Component: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

AN IN LINE FUSIBLE LINK MAY MELT DOWN AND CAUSE A FIRE.

Consequence

THE IN LINE FUSIBLE LINK LOCATED IN THE AREA OF THEPLASTIC WINDSHIELD WASHER BOTTLE BRACKET MAY, UND

Remedy

THE WINDSHIELD WASHER BOTTLE BRACKET WILL BE REPLACED.

No service bulletins No technical service bulletins on file with NHTSA for the 1987 Pontiac Bonneville.
19950111Component: STEERING:LINKAGESCrash reported

RIGHT FRONT WHEEL BROKE FREE FROM VEHICLE, OHIO STATE POLICE REPORT. *TW

20000811Component: ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASHFire reported

WHILE DRIVING, DOORS LOCKED DOWN AND INTERIOR LIGHTS CAME ON. WHEN TRYING TO TURN OFF INERIOR LIGHTS, CONTROL SWITCH SUNK/MELTED INTO DASH. DASH ABLAZE WITHIN 2 TO 3 MINUTES, ENTIRE VEHICLE ENGULFED

20030507Component: ENGINE AND ENGINE COOLING:ENGINE

THE CAR WILL MOMENTARILY HESITATE WHEN ATTEMPTING TO ACCELERATE FROM A STOPPED POSITION. IT IS PERIODIC AND NOT CONSISTENT, THEREFORE, HARD TO DUPLICATE ACCORDING TO THE DEALER. I ASKED GM TO E-MAIL

20010509Component: SEATS

WHILE SITTING IN SEAT AND LEANING BACK PASSENGER'S AND DRIVER'S SEATS FELL BACK, CONSUMER WAS ABLE TO PUT SEAT BACK UP, BUT IF CONTINUING TO LEAN IT WOULD COME BACK DOWN. CONSUMER FEELS THIS IS VER

20010509Component: SEATS:FRONT ASSEMBLY:RECLINER

WHILE SITTING IN SEAT AND LEANING BACK PASSENGER'S AND DRIVER'S SEATS FELL BACK, CONSUMER WAS ABLE TO PUT SEAT BACK UP, BUT IF CONTINUING TO LEAN IT WOULD COME BACK DOWN. CONSUMER FEELS THIS IS VER

Showing the 5 most serious of 24 complaints filed with NHTSA.

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