One problem related to front suspension stabilizer bar has been reported for the 1999 Buick Lesabre. The most recently reported issues are listed below.
The contact owns a 1999 Buick Lesabre. While driving approximately 5 mph, the contact heard a clunking noise coming from the engine compartment. He took the vehicle to the repair shop and was informed that the stabilizer bar split in half. The dealer currently does not have the parts to repair the vehicle, however, the contact will have it repaired once the parts arrive. The current and failure mileages were 66,000. Updated 11/14/07.