2005 Buick Park Avenue Service and Repair Manual

This factory service and repair manual for the 2005 Buick Park Avenue handles a four-door sedan and its pair of trims, Base and Ultra. At the heart of it is the gasoline 3.8L V6, an overhead-valve design of 231 cubic inches, which was available either naturally aspirated or with a supercharger. Specifications and torque values run through the engine, fuel, ignition and cooling systems, while procedures and diagnostics extend to the transmission, brakes, steering, suspension and electrical system, supported by wiring diagrams.

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 2005 Park Avenue. The 2005 Park Avenue has 8 owner complaints on record with NHTSA, and wheels lead them with 3. The electrical system, equipment, suspension and tires account for 1 apiece. Those are areas this manual handles at the system level: suspension and wheel work through procedures, specifications and torque values, and the electrical system through wiring diagrams and diagnostics.