One problem related to air brake drum shoes/linings has been reported for the 2004 Buick Lesabre. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Buick Lesabre based on all problems reported for the 2004 Lesabre.
The contact owns a 2004 Buick Lesabre. The contact stated while driving 35 mph and depressing on the brake pedal, the brake pedal went straight to the floor and the vehicle gradually decreased in speed to a stop. There was an unknown warning light illuminated. The contact continued driving to his residence. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the brake lines were leaking brake fluid. The independent mechanic repaired the vehicle however, the failure reoccurred. The vehicle was taken back to the same independent mechanic and three additional brake lines were replaced. The vehicle was repaired however, the contact was concerned that after inspecting the vehicle himself, he became aware that one of the brake lines was rusted which might cause the failure to recur. The manufacturer was not made aware of the failure. The failure mileage approximate 116,500.