One problem related to differential unit has been reported for the 2004 Ford Ranger. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Ford Ranger based on all problems reported for the 2004 Ranger.
: the contact stated while driving at various speeds the rear end differential locked up. The differential unlocked after rocking the vehicle back and forth. The dealership determined the vehicle was within factory specifications.