How Cold Before The A/c Dosen't Run?

By jro909
November 15, 2010 in Ask A GM Technician

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jro909

Posted November 15, 2010

It states in my owner's manuel the a/c compressor wont run if its cold outside, why? and how cold? its 32 degrees F and my a/c compressor kicked on for defrost..

gmtech4

Posted November 15, 2010

it is supposed to ,to keep circulating the refrigerant during the winter

ken1mod

Posted November 21, 2010

pressure switch will not start the a/c if temp is around 40 degrees.

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