The Buick Regal Service Manual is a valuable reference that provides in-depth information on servicing and repairing the Buick Regal. It covers essential areas such as the engine, transmission, suspension, brakes, electrical system, HVAC, and body components. With clear instructions, diagrams, and specifications, the manual assists technicians and enthusiasts in performing maintenance tasks and resolving issues effectively, ensuring the smooth functioning of the vehicle.


DTC P0137, P0138, P013A, P013B, P013E, P013F, P2270, or P2271
DTC B25F6 or B25F7