what is making a roaring sound from the rear end? on 2004 Ford Explorer

There is a loud roaring sound from the rear end.When on the gas it is loud and off the gas alittle louder. It has 117,000 miles. Has alittle leakage from the rear differential. What could this be?

by in Bremen, GA on August 14, 2010
2 answers
ANSWER by on August 31, 2010
Might be the wheel bearing. I had to get mine repaired and it was making a roaring noise from the rear.
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ANSWER by on October 08, 2010
I HAD TO REPLACE MY REAR DIFFERENTIAL.
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