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

Need Help AC/Heat problems

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Old Oct 16, 2006 | 09:30 AM
  #1  
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From: Thomson Georgia
Default Need Help AC/Heat problems

I am really enjoying my first corvette (90 auto.) I have fixed all the little annoying problems that the car had when I purchased it, except for one that has me baffled. When I run my AC for a while, the light above it starts to blink and I have to pull the fuses out to reset the compressor.

I read that I may be low on freon, but I have noticed that the problems on starts when I try to change any of the settings. Such as turning up the tempature to make it warmer, or turn on the defroster. If I never change these settings, I never seem to have a problem with the AC. I have searched the forums, but could not find any information about my particular problem. It is beginning to get chilly in the mornings in Georgia and I want to be able to use the heat but would also like to make sure the cooloing fans run while I am in traffic by leaving the AC on.

If any one has any suggestions, please let me know.

BTW, I have pulled all the codes off the computer and all I get is code 12 (diagonsitic mode)

Jody

Last edited by shenobi; Oct 16, 2006 at 09:47 AM.
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Old Oct 16, 2006 | 05:18 PM
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This definately sounds like you are marginally low on freon.
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Old Oct 17, 2006 | 10:28 AM
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Low freon, can cause the ac to need to be reset if I turn the tempature? If it is low freon, shouldn't I get some kind of code?
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Old Oct 17, 2006 | 12:13 PM
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That's what the blinking light is telling you - go here:

https://www.corvetteforum.com/techti...=193&TopicID=2

When you know the code, repost.
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Old Oct 18, 2006 | 10:49 AM
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Thanks for the link. I will check the codes and post them this weekend.
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