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

at what temp does ac compressor turn on

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Old Oct 3, 2013 | 01:36 PM
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Default at what temp does ac compressor turn on

I was wondering what temparature the auto climate control turns on ac compressor. The ac is not working in the car atm (might just need a recharge). i want to try avoiding turning on the compressor to avoid possible damage, so whats the best way to do that. thanks in advance. BTW its a 1989 if that makes a difference.
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Old Oct 3, 2013 | 02:06 PM
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eatmydst1234
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It will run the ac compressor on heat too.
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Old Oct 3, 2013 | 02:33 PM
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Unplug the wires at the compressor. Really almost too easy.
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Old Oct 3, 2013 | 02:45 PM
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awesome will do thanks.
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Old Oct 4, 2013 | 12:27 AM
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If the AC system is low on refrigerant the compressor will not turn on because of the low pressure switch. That switch has to see a minimum amount of pressure in the system before it will allow the compressor to run.
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Old Oct 4, 2013 | 02:22 AM
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I think you will find that if the outside temp is below 60 degrees, the compressor will not be commanded on in anything except defrost mode.
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Old Oct 4, 2013 | 11:38 AM
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Awesome thanks for the responses.
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Old Oct 4, 2013 | 12:09 PM
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Originally Posted by JMelton
I think you will find that if the outside temp is below 60 degrees, the compressor will not be commanded on in anything except defrost mode.
my '93 will run the compressor in the 'auto' mode at any temp, with heat on.
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