One problem related to engine clicking and tapping noises 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.
While driving a loud clanking noise was heard coming from the front. Consumer pulled into a parking lot and parked the vehicle. While accelerating the noise got louder and louder. The next day consumer started the vehicle, then it stalled. Consumer was not able to restart vehicle, and had the vehicle towed to the dealer for inspection. The engine was replaced by the dealer but the consumer indicated that he was unsure if the engine was new(as ordered) or rebuilt.