Quote Originally Posted by scottydoggs View Post
could be a broken vac line to the vent direction diaphragm. you should have 2 of them on on each side of the dash center console area.

does your defrost, vent, and floor vents all change and operate like they are supposed too?
I believe they are all working fine. I will double check that they are all working properly.

Can I visually check for leaks or damage without taking the dash apart? How would I go about checking?

Thanks for your help!