Need help ..Climate control problem
Thread Starter
Instructor
Joined: Jul 2010
Posts: 137
Likes: 2
From: Manatee Florida
Need help ..Climate control problem
We are looking at a 96 coupe with only 30k miles. Car was not garaged, and does need some cosmetics. There is a problem with the climate control. When you engage the air conditioning, cold air only comes out the defroster vents. If this means tearing apart the dash..I'll keep looking. This is the automatic climate control, not manual type. Any help is appreciated.
Drifting
Joined: Jul 2009
Posts: 1,258
Likes: 98
From: Ashland PA
2021 C4 of the Year - Modified Finalist
Its ether your C68 programer located under your dash just above the gas pedal or a vacuum problem normally the vacuum valve located by your distributor. Check to see if you cruse control works, if not its most likely the valve.
Instructor
Joined: Aug 2012
Posts: 213
Likes: 0
From: Carrollton TX
If it's the infamous controller vacuum connector issue, there are a couple of threads that highlight the issue.
I had the same issue with mine, and ended up pulling out the control box from under the dash, bypassing the vacuum connector completely (with additional tubing and individual connectors). Once I eliminated the faulty rubber connector all vacuum routing works flawlessly now.
It's a pain to get the controller out and reinstalling it (not impossible, but take your time and use patience).
http://forums.corvetteforum.com/c4-t...l-problem.html
I had the same issue with mine, and ended up pulling out the control box from under the dash, bypassing the vacuum connector completely (with additional tubing and individual connectors). Once I eliminated the faulty rubber connector all vacuum routing works flawlessly now.
It's a pain to get the controller out and reinstalling it (not impossible, but take your time and use patience).
http://forums.corvetteforum.com/c4-t...l-problem.html
Drifting
Joined: Jul 2009
Posts: 1,258
Likes: 98
From: Ashland PA
2021 C4 of the Year - Modified Finalist
If it's the infamous controller vacuum connector issue, there are a couple of threads that highlight the issue.
I had the same issue with mine, and ended up pulling out the control box from under the dash, bypassing the vacuum connector completely (with additional tubing and individual connectors). Once I eliminated the faulty rubber connector all vacuum routing works flawlessly now.
It's a pain to get the controller out and reinstalling it (not impossible, but take your time and use patience).
http://forums.corvetteforum.com/c4-t...l-problem.html
I had the same issue with mine, and ended up pulling out the control box from under the dash, bypassing the vacuum connector completely (with additional tubing and individual connectors). Once I eliminated the faulty rubber connector all vacuum routing works flawlessly now.
It's a pain to get the controller out and reinstalling it (not impossible, but take your time and use patience).
http://forums.corvetteforum.com/c4-t...l-problem.html
