One problem related to brake pedal and linkage has been reported for the 2003 Buick Lesabre. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Buick Lesabre based on all problems reported for the 2003 Lesabre.
The driver was pulling into a parking space, stopped, took his foot off of the pedal and then the brake pedal suddenly swung free. The vehicle was towed to dealer, and mechanic determined brake pedal become disconnected. The clip, spacer, and retainer needed to be replaced.