Question about 1993 Chevrolet Suburban

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1993 Suburban rear ac is great front is warm.

I checked the pressure in the a/c high and low are good. I don't know were to go from here. I fix home a/c units. help.

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There is a flap inside the venting behind control panel. This flap directs the flow of hot/cold air. It is controlled by a vacuum operated actuator that tend to fail. This hose runs in to the hoses on back of control panel switches.

Posted on Jul 17, 2009

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