One problem related to tank assembly 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 fuel gauge system indicator always read full tank even when the tank was empty. Dealer notified.
| Fuel Hoses Lines/piping And Fittings problems | |
| Tank Assembly problems | |
| Tank Mounting problems |