Two problems related to automatic transmission have been reported for the 2003 Lincoln Navigator. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Lincoln Navigator based on all problems reported for the 2003 Navigator.
: the contact stated while traveling various speeds, the vehicle hesitated. The dealership rebuilt the automatic transmission, but this did not repair the problem. The vehicle was taken back to the dealership and the gear shifter assembly was replaced. Then the automatic transmission control valve was replaced. The vehicle has not been driven since the last repair was made. The consumer stated the vehicle stalled between 20 and 40 mph. The door lock switch was inoperative, the mirrors would not return to their orignal setting. Updated 10/27/06.
While shifting the transmission would down shift on its own. Driver heard a clanking sound. Driver took vehicle to the dealer, and mechanic determined that the problem could not be duplicated.