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More A/C blows on Floor and Windshield

G

ghfun

Guest
After some really great help here I still have the problem. I have visually checked the controler (in dash) and have no fault codes for either the controler or the Programmer which distributes the vacume to the various vents for positioning.

Everywhere under the hood I can find to check for vacuume it seems fine.

I can not seem to locate to trace the vacume hose from the engine compartment through the firewall to the programmer. I tried to remove the programmer box last evening to remove the screw holding the vacume lines on it but cant get any slack so that did not work.

I am lost at this point and had another email from a friend here who is having the exact same problem. Any further thoughts?
Thank You!! Mark ghfun@aol.com
 
B

Black Ice

Guest
I have this problem from time to time with my electronic A/C in my 1996 and have heard others say the same thing. Mine control buttons also sometimes will not respond but the Auto setting always seems to work fine. Sometimes even if I have the control set to 60 I still get heat. I was told to disconnect the Dash control head (Really just a wired remote controller) and clean the contacts between the remote and the HVAC unit (buried in the dash) itself.
 
G

ghfun

Guest
A/C blows on floor and windshield

Hi - So you had the problem of the vent doors not providing air to the appropriate outlets? Did cleaning the contacts on the control head fix the problem?
 
G

ghfun

Guest
A/C venting problem

Thanks, but I found the correct vacuum line and checked it today, there is vacume and the line is very solid and tight. Now what. Man this is baffelling.

Mark
 

vigman

Motor head!!!!
Joined
Feb 13, 2001
Messages
3,471
Location
Valencia, CA,USA
Corvette
88 Convert ( SOLD ) /1973 coupe 4 speed/1964 Vert!
Or here!

http://www.batee.com/corvette/index.shtml


If the VAC is good.......

I'm betting the AC controller has gone KAPUT.

( box under dash )

There are 2 resistors that go OVERHEAT and melt the solder enough to make a cold ( read intermittant ) connection.



Vig!
 

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