2008 Buick LaCrosse Service and Repair Manual

This factory service and repair manual for the 2008 Buick LaCrosse adds up to three engines and four trims on one four-door sedan body. Two are V6 engines, a 3.6L with double overhead cams and a 3.8L with overhead valves; the third is a 5.3L V8, also overhead-valve. The trio runs on gasoline with natural aspiration. Trims are CX, CXL, CXS and Super. Procedures, specifications and torque values address the engines, fuel, ignition and cooling systems, transmission and drivetrain, brakes, suspension and steering, while wiring diagrams and diagnostics take in the electrical system and air bags.

Engines covered

• 3.6L V6 (217 cu in) — DOHC, naturally aspirated, gasoline
• 3.8L V6 (231 cu in) — OHV, naturally aspirated, gasoline
• 5.3L V8 (325 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• CX
• CXL
• CXS
• Super

Known issues on the 2008 LaCrosse. The 2008 LaCrosse has 249 owner complaints on record, led by the electrical system at 83, the air bags at 77 and exterior lighting at 61; 12 complaints reported a crash, 6 a fire and 3 an injury. Both of its 2 recalls tie into those areas. On certain 2008 LaCrosse vehicles, key ring weight or a hard bump could move the ignition out of run, stopping the engine, removing power steering and braking assist, and possibly preventing air bag deployment; dealers added new key rings and a slot insert or key-head cover. Certain 2008 LaCrosse vehicles could also lose headlamps when the driver module overheated. Electrical diagnostics apply.