I have an 06 durango with the Hemi. It has 6 a/c vents across the dash. I put thermometers in them because I can tell there is a bid difference in the air temp coming out of them. I live in south Alabama and to say it's hot down here is an understatement. So the varying temperature is very noticible. Yesterday in the evening, after a rainstorm, it was actually 80 degrees and tolorable. My two vents in front of the passenger were reading 37 degrees. The two in the middle and the two in front of the driver were reading46 to 48 degrees. Not to bad if it would stay 80. But when it's 99 it struggles to keep you cool. I'm thinking it has to be a blend door not closing all the way. Any advice on which one or where to look or how to fix?