A/C blowing out of defrost and heater vents
Forum: C4 Electrical, Body and Interior
4 Messages
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Hi folks.
I am told that the a/c programing module could be bad causing the air to blow out of the wrong vents. Any ideas of anything else it could be. Blows cold just not out of the dash vents
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B
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Joined: 3/20/2009
Posts: 690
Vette(s): Black 1979 L-82
Black 1996 LT1
Black 1999 Coupe
did you check the vent doors for vacuum leaks?
also check for a broken vacuum line at the vent doors or at selector switch/plate
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I would check for vacuum leaks first. my 87 had a broken vacuum line below the distributor. fixed that and then the heat/AC doors would work as they should, also the cruise control then worked fine.
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B
If the 95 or 96 is the problem, remove the pass/side rail cover & check the valve.
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in Forum: C4 Electrical, Body and Interior
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