2004 Ford Explorer Q&A

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

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? -
Answer 1
Might be the wheel bearing. I had to get mine repaired and it was making a roaring noise from the rear. -
Answer 2
I HAD TO REPLACE MY REAR DIFFERENTIAL. -