'99 Ford explorer ,grinding noise turning and some when backing, it is all wheel drive
Feb 7, 2011 at 6:02 PM
JACOBANDNICKOLAS
✓Experienced Mechanic
110,246 POSTS
It sounds like a bad bearing inside. You would need to remove the differential cover to see if there are metal shavings and if there is play in the carrier bearings, pinion bearings, or axle bearings.