One problem related to transmission failure has been reported for the 1999 Ford Expedition. The most recently reported issues are listed below.
1999 Ford Expedition-perfectly maintained. 37000 miles on odometer-transmission blow out. Just all of a sudden, almost got into an accident due to loss of power. This is the second Ford vehicle owned that had a transmission failure! first one at only 8000 miles! under warranty for that one. Ford will do nothing to help with this problem. Will never purchase another Ford again!.