Question about 1997 Chevrolet Suburban

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Air conditioning not working. Blowing cool air in the back and hot air in the front.

In my 1997 suburan the air condtioning is blowing cool air in the back but hot air in the front. I was advised to change switch unit. Did that no help. Why would it work in the back and not in the front? It is losing freon. Check for leaks found none. Put in 4 cans of leak detect and freon. Also electronic freon sniffer still found no leaks.

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  • Billy Mitchell Jun 01, 2009

    Air is blowing out of the vents its just hot air.

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Is there air blowing from the front vents? or can you hear the vacumm change when you change it from heat to cool..... I think it might be a vacumm problem... its a 1997 so the controller vacumm hoses may be cracking.. let us know

Posted on Jun 01, 2009

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Posted on Jan 02, 2017

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