2007 Pontiac Grand Prix Service and Repair Manual

This factory service and repair manual for the 2007 Pontiac Grand Prix describes a sedan with three possible engines. Two are 3.8L V6s, separated by the supercharger fitted to one of them; the third is a 5.3L V8. They share overhead valves and gasoline. Base, GT and GXP are the trims, and the 4-door sedan is the lone body style. Engine, fuel, ignition, cooling, transmission, brake, suspension, steering and electrical systems are supported by procedures, specifications and torque values.

Engines covered

• 3.8L V6 (231 cu in) — OHV, naturally aspirated, gasoline
• 3.8L V6 (231 cu in) — OHV, supercharged, gasoline
• 5.3L V8 (325 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• Base
• GT
• GXP

Known issues on the 2007 Grand Prix. The 2007 Grand Prix has 3 recalls on record. The headlamp driver module on certain 2007 Grand Prix vehicles could overheat and fail, leaving the headlamps and daytime running lamps dark. Certain 2007 Grand Prix vehicles could have the ignition key jolted out of run, stalling the engine and possibly disabling the air bags. On certain 2007 Grand Prix vehicles, 1,602 of them, the fuel tank lacked the adhesive layer bonding its barrier to the outer shell, so fuel or vapor could escape between layers. Of 220 complaints, 92 concern exterior lighting and 68 the electrical system; 18 reported a fire, 15 a crash, 11 an injury and 2 a death. Lighting wiring diagrams apply.