Originally Posted by Steve in SoCal
The problem you describe requires the replacement of the rivet holding the upper part of the trim piece attached to the rear quarter window with a screw and nut. The procedure is covered in TSB 23-001-05 issued 1/8/05. I just had mine done and it solved the problem completely!
Good luck.
I had the same problem, brought it to the dealer and fixed it as well. no rattle anymore!!!