I took pictures of the process and wrote up a quick guide.
Here's the gallery - http://www.paulstravelpictures.com/GM-Pontiac-Grand-Prix-GTP-Supercharger-Belt-Replacement-Guide
I'll be posting the serpentine belt and idler/tensioner pulley
replacement guides soon.
Cheers,
Paul Michaels
Ft. Lauderdale, FL