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  1. #1

    Default Air conditioning can't figure it out

    I have a '02 yukon xl that has an air conditioner that is blowing hot air, I tried to recharge it and the refrigerant pressure was high (65psi with air conditioner on). Has anyone else had this problem? Could it be a stuck expansion valve?

  2. #2

    Default

    Is it blowing hot air out of both the driver side & passenger side?
    Bagged 06 Silverado Crew Cab.

  3. #3

    Default

    i heard of someone else having this problem, it could be the temp control module itself
    2008 TAHOE LT, volant powercore, superchips programmer

  4. #4

    Default

    Don't know what my pressure was, but my 04 sub did the same thing. Ended up being the damper door? getting stuck in the hot air position. Just kept running the switch between hot and cold, heard it finally close, and all has been good since.
    TNT - Texas

    First - '68 longbed (lady runs stop sign, insurance gives me a check)
    Then - '81 SWB (stupid stupid stupid...sold it thinking I was going to get something else)
    Now - Finally got my '86 (350, Holley 600, 700r4)

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