Thanks Tom. Took another look at it does wiggle or move at all and this time no noise at all. It comes and goes. My truck is different, Its enough to drive you crazy! I trying to figure out why it comes and goes.
Heres a slick looking rig!
http://cgi.ebay.com/ebaymotors/1999-CHEVROLET-C-K-3500-crew-cab-dually-custom-2WD_W0QQitemZ220471019105QQcmdZViewItemQQptZUS_Cars_Trucks?hash=item335518c661&_trksid=p4506.c0.m245
I wouldnt mind having that that dually! :D