OK, so this is nitpicky, I know, but here goes:

I have a 2008 Screw XLT 4x4. When I turn on the heat or A/C to blow from the dash only, it also blows air from under the dash. I don't like A/C or heat (especially heat) on my feet, as it usually freezes or burns my right foot off.

I anticipate having to remove the dash to fix this. Has anyone had this issue?

My truck has a manual 4x4 shifter, not a push button, if that helps.