ORIGINAL: Gsxbking

I work at a Ford dealership. Had my 03 cobra checked out cause when I would switch gears i would hear a clunk too. It ended up being the bushings that hold the rear differential in place. check those cause those could be the little noise also. There is three bushing back there. Easiest thing to do is to put it on a lift and leave it in gear and while someone is pushing the tires back and fourth look at those bushings and see if there is any play. Hope this helps you out....