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ac problems please help someone!!!!!!

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Old Jan 19, 2010 | 08:32 PM
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Default ac problems please help someone!!!!!!

i have a 1997 z28 camaro. here in texas it got cold a few days ago and i put the heater on to the floor vents. and now the weather is getting warmer. so i put the ac on to the top vents and the cold air is only blowing on the bottom vents. what is causing this problem from the top vents not blowing on top vents. please someone help out.
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Old Jan 19, 2010 | 09:29 PM
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Could be a problem with your "T" valve vacuum valve. May be cracked or leaking or maybe one of the little hoses popped off. Its over by the PCM. Black plastic and pretty small.

.
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Old Jan 20, 2010 | 06:20 PM
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hey dude, i opened the hood and found the T valve that you were talking about and it was disconnected. as soon as i connected the hose the a/c top vents started to work and blow cold *** air. thanks every much !!!!!!!
for the information.
later eddie
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Old Jan 20, 2010 | 07:00 PM
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check the pvc on top of the black box
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Old Jan 21, 2010 | 09:07 PM
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the problem was fix by reconnecting the small vacucum holes by the t valve.. its right by the pcm (computer).
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Old Jan 21, 2010 | 10:38 PM
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Originally Posted by edward_garcia_69
the problem was fix by reconnecting the small vacucum holes by the t valve.. its right by the pcm (computer).
Thats usually the culprit..............

.
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