C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Broken A/C?

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Old Apr 6, 2002 | 02:14 AM
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Kehrer923's Avatar
Kehrer923
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Joined: Aug 2001
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From: Rockwall TX
Default Broken A/C?

Whenever i turn my a/c on it blows out the defrost. No matter what i push it blows out the defrost. I pulled all the fuse and reset them but didnt help. What should i do?
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Old Apr 6, 2002 | 02:18 AM
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enhance's Avatar
enhance
Burning Brakes
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Joined: Mar 2001
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From: San Jose CA
Default Re: Broken A/C? (Kehrer923)

This is exactly what happend to me. I had to fix two things. This is usually caused by a vacume leak.
1. The "T" conection under the passenger side fuel rail cover, that connects two vacume lines to the engine, was gone, this was the main cause of the leak(You'd be able to hear a loud sucking from the passenger side).
2. One of the vacume hoses near the battery got eaten through by battery acid.
I just fixed those two things, took me 10 minutes anda trip to the parts store, and it was all better.
If for some reason the valves cant move, it is defualt that all the air blows out the top vent so not to hurt anything.
Just check all the vacume lines. Also test the cruise control, if the cuise control doesnt work as well, it is almost definatly a vacume leak.
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