VtVette wrote:
Quote:

-=Jeff=- wrote:
if the vacuum lines are good check the check valve under the hood too

I'm sorry to hijack Joseph31's thread but I have a quick question for Jeff which is directly related to this thread:

My car (as you know Jeff) is a '85 with a swapped in '90+ interior. My car also only blows out the defrost vent no matter what is selected on the head unit. When I hooked the '90+ HVAC unit to engine vacuum I hooked it straight to the plenum. Could a lack of a check valve cause the HVAC to function improperly, thus default to blowing out the defrost vent?

I put my car up for sale as well for "whatever I can get" and, well, I guess no one is interested. I was going to buy a C5 'vert but to hell with it. I'm now reinvigorated with new ambition to make my C4 even better than ever!

Jeff, what ever became of your '89?