This truck has been like this since I bought it but this is the first time I have had to drive it when its really hot out...I was burning alive in it today, 100 degrees eeeek! Anyway...the AC has just been converted to r134 a few weeks ago and is charged up and blows ICE cold. Problem is, it seems to blow about 90% to the floor and 10% out of the top vents, you can feel air coming out just when you are driving and its really hot outside, it freezes your feet but the rest of your body your still sweating. I tried taping off the vents at the bottom to see if it would direct some air up top and it made no difference. Please somebody tell me any ideas on how to fix this!?! Going nuts! EDIT: Forgot to mention that most of the people I saw on here with the same problem say that it blows from the defrost and the floor and not the dashboard vents. That is not the case for me, the defrost doesnt blow anything and the dash blows a little and the floor a LOT. The fan kicks on LOUD and sounds as if its blowing a lot of air (well it is, out of the bottom) so I dont think the fan is the issue. Also, when changing the selector switch you can hear the vacuum and it sounds normal.