Kenworth W900 BUNK A/C Blowing Warm Not Cold

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Adamali21, Apr 9, 2021.

  1. Adamali21

    Adamali21 Light Load Member

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    Jul 24, 2018
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    Hey everyone I have a 2010 kenworth w900
    I recently changed my a/c compressor and a/c lines. I filled the truck with Freon and started the truck turned on the ac. The front ac vents blow cold but the sleeper bunk ac blowing warm. Has anyone had this issue before since tomorrow is Saturday planning on finding the issue. What should I be looking for.
     
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  3. Cummins_444

    Cummins_444 Medium Load Member

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    Apr 28, 2008
    Northwest, IN
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    Make sure the hot water is turned off. Or the expansion valve is bad in the bunk hvac unit.
     
  4. Adamali21

    Adamali21 Light Load Member

    192
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    Jul 24, 2018
    0
    Yeah I did turn the hot water off, now how the hell do I get that sofa off to reach the system
     
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