Finally after replacing several parts, I managed to locate the annoying noise kind of rattle, my passenger side door is not tight on the hinges it rattles on bumpy roads, can someone help with a part nbr. or where to buy , tried my local dealer with no luck.
Found them on GMpartsdirect.com
Yes bolts are tight, I think the pin is wored out, it could be the hole enlongated too,whatīs strange is it is the passenger side door that stands less use, guess it may be caused by lack of greasing. Will have to order both hinges (upper and lower) since I canīt pinpoint which one is failing, some $167, ouch!