I'm not sure but it sounded like the something slipped good. Whether or not it was at the tire end of the shaft or in the diff not sure but it diffidently came from the right side of the XK. I PM Robby to see what his thoughts about it were because I hate posting questions on the other place like this all you get is guys who never wheel or even work on there XK yelling traction control or spamming your thread with Links that don't help you know who I'm talking about LOL