I have a 2008 V6 and the air only blows out the defrost , not out the dash vents. I can't really tell if its blowing out the floor vents properly. The vent dial seems to not change the vents. The off position works.

There are no clicking or grinding noises coming out from behind the dash.

A while back I had the car temp control stuck on "HOT" but it started working again.

I read the threads here about this issue and most seem to target the blend door actuators, but what about the...

Diagnosing bad A/C control unit or actuators?