One problem related to differential unit has been reported for the 2001 Ford Expedition. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Ford Expedition based on all problems reported for the 2001 Expedition.
Pinion seal leaking at 34,000 miles. Took to holmes tuttle Ford dealership in tucson, az for repairs. Six thousand miles later pinion seals again failed prematurely. Ford dealership willnot call back after two attempts.