2011 Buick Regal Service and Repair Manual

This factory service and repair manual for the 2011 Buick Regal pairs a four-door sedan in CXL trim with a choice of two inline-four engines, both with double overhead camshafts. The 2.0L is turbocharged and flex-fuel capable; the 2.4L is naturally aspirated and runs on gasoline. The manual addresses the engine, fuel and cooling systems, with specifications, torque values and diagnostics, and continues through the transmission, brakes, suspension, steering and electrical system with wiring diagrams.

Engines covered

• 2.0L inline-four (122 cu in) — DOHC, turbocharged, flex-fuel
• 2.4L inline-four (145 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• CXL

Known issues on the 2011 Regal. Four recalls name the 2011 Regal. Certain cars built within a specific window with 8-way power front seats could have the seat wiring harness rub the seat frame and short, risking a fire; that recall covered 42,984 vehicles. On certain cars with power height-adjustable front seats, a bolt in the height adjuster could fall out and drop the seat suddenly. Certain cars gave the driver no warning when one of the two bulbs in a front turn signal burned out. Owners filed 278 complaints, 108 on the engine and 74 on the electrical system; 7 reported a crash, 7 a fire and 6 an injury. Wiring diagrams and diagnostics cover the electrical system and body.