Just bought a 2007 Rav 4 Limited - The AC is cold on the drivers side but hot on the passenger side. I have been checking this site for similar problems and have found many. Checked the Freon compression and it was good. Thought it was the Air mix servo motor on the passenger side but fixed that and it is still hot on the passenger side. I am reading that it probably is the Air mix blend vent, not sure how to get to it and replace it. Any descriptions or videos on how to? Thanks for any advice!