CTS V6-3.2L VIN N (2003)
6. Accessory drive component brackets that are bent or cracked will let the drive belt fall off.
7. Inspecting of the fasteners can eliminate the possibility that a wrong bolt, nut, spacer, or washer was installed. Missing. loose, or the wrong
fasteners may cause pulley misalignment from the bracket moving under load. Over tightening of the fasteners may cause misalignment of the
accessory component bracket.