2004 Buick Park Avenue Service and Repair Manual

This factory service and repair manual for the 2004 Buick Park Avenue is for a sedan offered in Base and Ultra trim with four doors. Gasoline power comes from the 3.8L overhead-valve V6, 231 cubic inches, in naturally aspirated and supercharged forms. Engine, cooling, fuel, ignition, transmission and brake work is set out in procedures with specifications and torque values, and the steering, suspension, electrical system and body are supported through wiring diagrams and diagnostics.

Engines covered

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

Body styles covered

• 4-door sedan

Trims covered

• Base
• Ultra

Known issues on the 2004 Park Avenue. Owners of the 2004 Park Avenue have made 12 complaints to NHTSA. The electrical system and exterior lighting account for 3 apiece, wheels for 2, and air bags and the engine for 1 apiece. Two of those complaints reported a fire and 1 an injury. The electrical and lighting systems, wheels and engine named there are addressed with wiring diagrams, diagnostics, procedures, specifications and torque values.