Next I would look into this, just as an option of where to start. Clunks can be all sorts of things, I have to inspect my car for one it started about a month ago... tech said it could me a mount (motor/tranny or front strut) or it could be the intermediate shaft. but start with the easy one.

Red circle... does yours look worn like this???

http://www.grandprixforums.net/what-...pic-62788.html