PeachParts Mercedes-Benz Forum - 1987 300 E a/c blows hot at stand still HELPPP

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Hay guys can anybody seem to help me with this one. It,s hot so i got my car gassed up (freon)Car blows lots of cold air that day into a couple of weeks.Low and behold the car starts blowing hot air once were on a stand still. Took the car back to see if the freon leaked out .No was the answer to this question. I really don,t know how the aux fan works is this supposed to come on as you turn on the a/c ? Cause if so it,s comming on now and then could this be my problem ? HELPPPP

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Is it blowing hot air or just luke warm air? Hot air could indicate a vac or pushbutton problem. luke warm is an inefficient condensor.

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