1988 Pontiac Bonneville Service and Repair Manual

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Covers all 1988 Bonneville trims — LE Sedan 4-Door, SSE Sedan 4-Door, SE Sedan 4-Door ·
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1988 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
  • SSE Sedan 4-Door
  • SE 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
NHTSA #06E04300019/05/2006Component: FUEL SYSTEM, GASOLINE

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURE

Consequence

THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I

Remedy

HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB

No service bulletins No technical service bulletins on file with NHTSA for the 1988 Pontiac Bonneville.
19960513Component: SUSPENSION:FRONTCrash reportedFire reported1 injured

DRIVING VEHICLE, SWERVED VEHICLE TO MISS ANIMAL IN STREET, LANDED IN REVINE, VEHICLE STUCK BETWEN 2 TREES, DRIVER PINNED/TRAPPED, VEHICLE CAUGHT ON FIRE. *AK

20010706Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISCCrash reported

THIS WAS MY FIRST BONNEVILLE THE BRAKES WENT OUT SUDDENLY WITHOUT WARNING ON BOTH CARS. THIS 1988 BONNEVILLE WAS A TOTAL LOSS BECAUSE DAMAGES ADDED UP TO MORE THAN THE CAR WAS WORTH. *AK

19971110Component: SEAT BELTSCrash reported

AUTOMATIC SEAT BELT; DURING IMPACT AT 30 MPH, THE DRIVER'S SIDE SHOULDER BELT DID NOT LOCK. CAUSE UNKNOWN. *AK

20030718Component: SEAT BELTS:FRONT:RETRACTOR

WHILE TRAVELING ON THE HIGHWAY AND WITHOUT PRIOR WARNING. ALL OF THE SEAT BELTS WILL NOT CLICK IN OR HOLD THROUGH THE RETRACTOR. *AK

20010715Component: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

THE ALTERNATOR ON MY 1988 BONNEVILLE SSE HAS FAILED FIVE TIMES SINCE NEW, THE LAST TIME AFTER ONLY LESS THAN 18K MILES AND LESS THAN 2 YEARS, EACH TIME STRANDING ME. IT IS MY UNDERSTANDING THAT ALL B

Showing the 5 most serious of 20 complaints filed with NHTSA.

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