I have had a couple of cv shafts do that to me and I always found it to be the dust shield right where the cv enters the back of the hub just barely rubbed the rubber boot for a few miles. It wears down after a few miles and did not cause any problems or damage the rubber boot.


John Luttrell
2001 4x4 short cab, 3 inch lift with 33 inch mudders and Powertrax no-slip in the rear


1991 Jeep YJ, 4 inch suspension lift on 33" BFG's