what would make the A.C compresser frost over when not being used

What is your question?

it is on a 93 gmc sonoma i am in the the proses of replacing the heater core and was wondering why the A.C compresser was frosted over after driveing but not useing the ac

wgd in Murfreesboro TN

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Oct 30, 2011

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1 Reply

Popular Answer
danddon Oct 31, 2011

If you are using the defrost, then the A/C compressor is still working. Are you using defrost at all?

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