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Old 06-15-2009, 04:23 PM   #3 (permalink)
wrench97
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Join Date: May 2008
Location: S.E. Pennsylvania
Posts: 18,487
OS: Win7


Re: compressor seems to be cycling on and off

If it's cold while driving check the electric fan and/or control if you don't hear the cooling fan in the front by the radiator coming on then the Hi side gets too high and high side cut off turns the compressor off to prevent damage, when your driving the air flow through the grill will keep the evaporator cool enough to work properly.

If the fan is working then as manic states it's probably low on charge.
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