2011 Buick LaCrosse Service and Repair Manual

This factory service and repair manual for the 2011 Buick LaCrosse applies to two double-overhead-cam gasoline engines, a 2.4L inline-four and a 3.6L V6, neither using forced induction. The body is the four-door sedan, in CX, CXL or CXS trim. From the engine, fuel, ignition and cooling systems through the transmission, brakes, suspension and steering, the manual provides procedures, specifications and torque values, and it adds wiring diagrams and diagnostics for the electrical system and climate controls.

Engines covered

• 2.4L inline-four (145 cu in) — DOHC, naturally aspirated, gasoline
• 3.6L V6 (217 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• CX
• CXL
• CXS

Known issues on the 2011 LaCrosse. Four recalls are logged for the 2011 LaCrosse. On certain 2011 LaCrosse vehicles with power height-adjustable front seats, the bolt securing the height adjuster could fall out and drop the seat to its lowest point, distracting the driver; dealers replaced the bolts. Certain 2011 LaCrosse vehicles, 10,179 of them, had climate control software that could lock out heating, ventilation and air conditioning adjustments, defrost included; the module was reprogrammed. The remaining campaigns involved rear toe link coatings on certain 2011 LaCrosse vehicles in a defined group of states. Of 169 complaints, 32 cite the electrical system and 27 the suspension; 15 complaints reported a crash. Seat, climate control and suspension procedures, wiring diagrams and torque values apply.