2005 Buick Century Service and Repair Manual

This factory service and repair manual for the 2005 Buick Century lists three trims for the year: Custom, Limited and Special Edition. All three use the same 4-door sedan body. The engine is a 3.1L V6 running on gasoline with overhead valves and natural aspiration. Specifications and torque values for that V6, its fuel, ignition and cooling systems, the transmission, brakes, suspension and steering sit alongside wiring diagrams and diagnostics for the electrical system and body.

Engines covered

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

Body styles covered

• 4-door sedan

Trims covered

• Custom
• Limited
• Special Edition

Known issues on the 2005 Century. The 2005 Century has 19 owner complaints with NHTSA. Exterior lighting accounts for 8 and the electrical system for 6, with the engine and engine cooling at 2, and air bags and the engine at 1 each. One complaint reported a crash and 1 reported an injury. For the lighting and electrical concerns the manual has wiring diagrams and diagnostics, and for the engine, cooling system and body it has procedures, specifications and torque values.