Question about Chevrolet Suburban 1500
Only blows cool air in front but hot air in middle and back vents
Am investigating same problem. Download the free technical manual and you can find a diagram for the air mix door. If this doesn't shut you will be getting lots of heat through despite the cooling of the Aircon. I don't know how to get at it or fix it but it describes how to run diagnostics - you don't need specialist tools for this. Also a blocked pollen filter probably won't help.
Posted on Oct 19, 2009
Freon is most likely low
Posted on Jul 01, 2009
Just installed new compressor and freon why does it still not get cold enough front vents
Posted on Aug 11, 2009
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Posted on Jan 02, 2017
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