1989 Pontiac Grand Prix Service and Repair Manual

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Factory-Grade Data

1989 Pontiac Grand Prix 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

  • SE Coupe 2-Door
  • Base Coupe 2-Door
  • LE Coupe 2-Door

Engines covered

  • 3.1L 189Cu. In. V6 GAS OHV Turbocharged
  • 2.8L 173Cu. In. V6 GAS OHV Naturally Aspirated
  • 3.1L 189Cu. 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

1989 Pontiac Grand Prix Recalls & Complaints

NHTSA #88V18800006/12/1988Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP

FUEL RETURN LINES COULD FRACTURE AND ALLOW FUEL TO LEAK IN THE AREA OF THE FUEL TANK.

Consequence

IN PRESENCE OF AN IGNITION SOURCE, THIS CONDITION COULDRESULT IN A FIRE.

Remedy

INSTALL NEW FUEL RETURN PIPE ASSEMBLY.

NHTSA #95V11500005/06/1995Component: WHEELS

CRACKS DEVELOP IN THE WHEEL MOUNTING SURFACE. IF THESE CRACKS BECOME SEVERE ENOUGH, THE WHEEL WILL COMPLETELY SEPARATE FROM THE VEHICLE.

Consequence

IF WHEEL SEPARATION OCCURS WHILE THE VEHICLE IS IN MOTION, LOSS OF STEERING AND BRAKE CONTROL OF THE

Remedy

DEALERS WILL INSPECT THE MANUFACTURING DATE CODES STAMPED ON EACH WHEEL OF THE VEHICLE AND IF A WHEE

TSB #6088680

CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *TT

TSB #39072

ABS WARNING LIGHT IS ON. *TW

TSB #39080

REAR STRUT RELATED THUMPING/SQUEAKING NOISE. *TW

TSB #37955

ABS WIRE HARNESS FOR THE RIGHT FRONT WHEEL MAY RUB ON THE BRAKE LINE CAUSING THE ABS WARNING LIGHT TO COME ON. *TW

19950924Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTSCrash reported1 injured

BRAKES FAILED TWICE, CAUSING 2 ACCIDENTS/INJURIES. *SD

19951205Component: LATCHES/LOCKS/LINKAGES:DOORS:LATCHCrash reported1 fatalities

DRIVER SIDE DOOR MOUNTED SEAT BELTS FAILED, LAP BELT ALSO FAILED, DOOR CAME OPEN AND PASSENGER WAS EJECTED AND KILLED. TT

19951205Component: SEAT BELTSCrash reported1 fatalities

DRIVER SIDE DOOR MOUNTED SEAT BELTS FAILED, LAP BELT ALSO FAILED, DOOR CAME OPEN AND PASSENGER WAS EJECTED AND KILLED. TT

20020929Component: STRUCTURE:FRAME AND MEMBERSCrash reported

ABELOFF HAS HAD MY VEHICLE SINCE 9/10/02 DUE TO THE RECALL AND HAS NOT YET REPAIRED IT. I AM WITH OUT A VEHICLE. PLEASE LOOK IN TO THIS MATTER SO THAT I MAY HAVE MY CAR BACK. MR

20000820Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISCCrash reported

REAR BRAKE CALIPERS LOCKED UP AND CAUSED LOSS OF BRAKE PRESSURE.

Showing the 5 most serious of 202 complaints filed with NHTSA.

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