Strange Climate Control Problem

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Jul 22, 2007 | 10:05 PM

USAFPILOT

Thread Starter

Drifting

Joined: Oct 2004

Posts: 1,957

Likes: 6

From: The Woodlands TX TX

Strange Climate Control Problem

Sometimes not all of my buttons work. I get in the car and turn on the AC...then drive around a while and adjust the temp a little warmer but try to go back to a lower temp and now the down arrow doesn't work. I can only go hotter. I can also not turn it off. Then I select another setting, taking it out of auto and into recirculate and now the down temp will work. Later the problem returns but opposite. The temp doesn't work in recirculate but I cant get it back in auto. I go to feet only or something, basically I'm hitting all the buttons and only 3 will work. Then for some reason I get it back in auto and I can work all the buttons no problem. This problem seems to come and go. Everything else operates normally. Is ther ea difference between a 94 and a 96. My 96 is spot on.

Jul 22, 2007 | 10:48 PM

ynk1121

Drifting

Joined: May 2004

Posts: 1,543

Likes: 1

From: Levittown NY

common problem. easily fixed by taking it appart and cleaning the button contacts. pencil eraser and q-tips with alcohol both work good.

Last edited by ynk1121; Jul 25, 2007 at 12:34 PM.

Jul 23, 2007 | 07:34 AM

finnor

Burning Brakes

Joined: Mar 2000

Posts: 1,131

Likes: 2

From: Panama City Beach FL

Quote:

Originally Posted by USAFPILOT

Hello fellow Georgian. I have the exact same problem. Two solutions, one has been posted by ynk1121. I chose to get a replacement since they are relatively cheap. I have not yet installed it because it doesn't bug me too badly.

--Tor

Jul 24, 2007 | 07:14 AM

gdaddee

Racer

Joined: Jul 2005

Posts: 418

Likes: 1

From: Metro Atlanta Georgia

Quote:

Originally Posted by ynk1121

common problem. easily fitted by taking it appart and cleaning the button contacts. pencil eraser and q-tips with alcohol both work good.

I had the same problem on my '96. Took the control box apart, cleaned contacts. Works great now.

Jul 24, 2007 | 09:05 AM

finnor

Burning Brakes

Joined: Mar 2000

Posts: 1,131

Likes: 2

From: Panama City Beach FL

to another GA member.

Jul 24, 2007 | 09:44 AM

Fast Cop

Melting Slicks

Joined: Feb 2006

Posts: 2,938

Likes: 62

From: Columbia SC

I have the same problem. How do you get the back cover on the face plate off. I can open up the box but their is a back plastic plate on the back of the face plate that I cnanot seam to get off.

Jul 24, 2007 | 10:00 PM

C4DERF

Pro

Joined: Jan 2007

Posts: 514

Likes: 1

Mine started acting erratic about a month ago. I usually ride with the windows down and run the a/c on the floor setting (which is the position it appears to be stuck in) and I enjoy the ride and it sure makes it easier to wave at passing vettes

Sometimes the C5 & C6 drivers will wave through their windshields as they don't run with their windiws down very often!!!! BTW a warm southern howdie to the fellow Georgian and Carolinian vette drivers.

Jul 25, 2007 | 10:04 AM

Wildride

Burning Brakes

Joined: Sep 1999

Posts: 786

Likes: 31

Cruise-In II Veteran

You probably need to clean the contacts in the control head. It is not a difficult job and can be done in less than an hour.

To remove the head, this is a good tutorial:

http://www.c4guru.com/articles/HeadUnitRemoval.pdf

For more instructions on cleaning and removal try these links:

https://www.corvetteforum.com/techti...D=92&TopicID=2

https://www.corvetteforum.com/techti...=118&TopicID=2

If you really want to know how the thing works take a look at this link:

http://www.batee.com/corvette/acrepa...oard/c68.shtml

That last link will tell you more than you ever want to know!