1989 Pontiac Grand Prix Service and Repair Manual

This factory service and repair manual for the 1989 Pontiac Grand Prix reaches from a 2.8L V6 to a turbocharged 3.1L V6. Between them sits a naturally aspirated version of the 3.1L, and the trio are overhead-valve gasoline sixes. Body choice is limited to the two-door coupe, trimmed as Base, LE or SE. The manual lays out procedures, specifications, torque values and diagnostics for the engine, fuel, ignition and cooling systems, along with the transmission, brakes, suspension, steering and electrical system.

Engines covered

• 2.8L V6 (173 cu in) — OHV, naturally aspirated, gasoline
• 3.1L V6 (189 cu in) — OHV, naturally aspirated, gasoline
• 3.1L V6 (189 cu in) — OHV, turbocharged, gasoline

Body styles covered

• 2-door coupe

Trims covered

• Base
• LE
• SE

Known issues on the 1989 Grand Prix. Nine recall campaigns name the 1989 Grand Prix, and three of them are described here. Where road salt is used heavily, certain 1989 Grand Prix vehicles could suffer corroded cradle bolt retainers, letting the bolts pull out and the steering shaft part from the gear. On certain 1989 Grand Prix vehicles fitted with specific steel wheels, cracks in the mounting surface could grow until a wheel came off. A faulty stoplamp switch on certain 1989 Grand Prix vehicles could keep brake lights off or re-engage cruise control. Owners logged 139 complaints, 63 on the hydraulic service brakes and 18 on structure; 6 reported a crash, 2 an injury and 1 a death. Brake and steering procedures apply.