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2003 GMC Yukon XL Denali Question: The rear AC is blowing hot air when the front is cold why ??



siseid, Frisco, TX, April 04, 2010, 16:05

I just realized yesterday on my Yukon Denali 2003 that A/C in the front is cold but the rear blowing Warm or sometimes hot air. For 2-3 minutes it blows cold air in the back then back to heat or natural air. Any reason why?? It has 93K mileage

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  • Answer #1

    April 04, 2010, 16:23

    low in freon. take it and have a pr check it our and find your leak.


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    Visitor, June 22, 2010, 18:19

    My 2003 Trailblazer is doing the samething. Did you ever figure out what was causing your problem?

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