One problem related to engine cooling system has been reported for the 2005 Buick Lacrosse. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Buick Lacrosse based on all problems reported for the 2005 Lacrosse.
The contact owns a 2005 Buick Lacrosse. The contact stated that when driving at any speed, the vehicle would intermittently jerk when changing gears and sporadically would fail to start. In addition, the rear defroster would take an abnormally long time to defrost the window and the air conditioning unit would independently turn off and on. The vehicle was taken to an authorized dealer where they were unable to diagnose the failure. The vehicle was not repaired. The failure mileage was 42,000 and the current mileage was unavailable.