2004 gmc envoy after 20 minutes compressor stops working after car cools down you turn back on it works for about 20 minutes and turns off again !!! Help need answer why ?? freon is not low

70

Asked by Jul 26, 2014 at 11:42 AM about the 2004 GMC Envoy 4 Dr SLE SUV

Question type: General

freon is not low

8 Answers

58,535

Check ac relay.

1 out of 1 people think this is helpful.
101,735

Could be bad cycle switch. Is compressor clutch disengaging when it stops cooling?

1 out of 1 people think this is helpful.
70

yes clutch completing stops

1 out of 1 people think this is helpful.
70

i just have my fingers crossed it is not the compressor

101,735

Hopefully just bad switch. And you positive it's not low on freon?

1 out of 1 people think this is helpful.
70

i believe the air reply is the air blowing out of the vents and yes the air blows fine on all control numbers and vents just after 20 minutes is blows warm and the compressor shuts down !!! when vehicle cools off it will be ok for another 20 minutes and does the same thing compressor shuts off !! keeps blowing just warm air !!!!!!!!!!

4 out of 4 people think this is helpful.
70

positive not low on freon

2 out of 2 people think this is helpful.
58,535

Ac pressure switch,or the relay.

3 out of 3 people think this is helpful.

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