One problem related to axle banjo housing has been reported for the 2002 Ford Explorer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Ford Explorer based on all problems reported for the 2002 Explorer.
Whine in rear end of a 15911 mile 2002 Ford Explorer, part, ring and pinion, had to be replaced, I had to pay a 100 ded. Supervisor at Ford's 800 # denied that this was a common identified problem, said that if it was it would be subject to a recall and I would have gotten a notice. TSB 18466 & 18423 describes the problem.