I Think I Got It
 

All of you who have read my rants about this whistling sound coming from under my hood it just so happens there's a TSB for 2007 rams durangos nitros liberties dakotas grand cher and commanders for the exact issue I'm having on my '07 unlimited it's TSB 09-009-06 haven't found anything on the breaks yet...you bet your arses that i will be bringing this up tomorrow when i bring it in again.