What would cause a "growling" noise in the differential? on 2001 Dodge Intrepid

This noise was discovered when I was having the tires checked. There is a vibration at speeds over 35 mph. Slight, like you are travelling on a rough road. And where could I find estimates on the average cost to replace a differential?

by in Canastota, NY on September 07, 2011
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1 answer
ANSWER by , February 26, 2013
Might just be the front drive axle or hub