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
FUEL RETURN LINES COULD FRACTURE AND ALLOW FUEL TO LEAK IN THE AREA OF THE FUEL TANK.
IN PRESENCE OF AN IGNITION SOURCE, THIS CONDITION COULDRESULT IN A FIRE.
INSTALL NEW FUEL RETURN PIPE ASSEMBLY.
CRACKS DEVELOP IN THE WHEEL MOUNTING SURFACE. IF THESE CRACKS BECOME SEVERE ENOUGH, THE WHEEL WILL COMPLETELY SEPARATE FROM THE VEHICLE.
IF WHEEL SEPARATION OCCURS WHILE THE VEHICLE IS IN MOTION, LOSS OF STEERING AND BRAKE CONTROL OF THE
DEALERS WILL INSPECT THE MANUFACTURING DATE CODES STAMPED ON EACH WHEEL OF THE VEHICLE AND IF A WHEE
CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *TT
ABS WARNING LIGHT IS ON. *TW
REAR STRUT RELATED THUMPING/SQUEAKING NOISE. *TW
ABS WIRE HARNESS FOR THE RIGHT FRONT WHEEL MAY RUB ON THE BRAKE LINE CAUSING THE ABS WARNING LIGHT TO COME ON. *TW
BRAKES FAILED TWICE, CAUSING 2 ACCIDENTS/INJURIES. *SD
DRIVER SIDE DOOR MOUNTED SEAT BELTS FAILED, LAP BELT ALSO FAILED, DOOR CAME OPEN AND PASSENGER WAS EJECTED AND KILLED. TT
DRIVER SIDE DOOR MOUNTED SEAT BELTS FAILED, LAP BELT ALSO FAILED, DOOR CAME OPEN AND PASSENGER WAS EJECTED AND KILLED. TT
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
REAR BRAKE CALIPERS LOCKED UP AND CAUSED LOSS OF BRAKE PRESSURE.
Showing the 5 most serious of 202 complaints filed with NHTSA.
