2016 T800 won't take freon

Discussion in 'Kenworth Forum' started by Tnarg_elbog, Jun 29, 2022.

  1. Tnarg_elbog

    Tnarg_elbog Bobtail Member

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    Jun 29, 2022
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    I have a 2016 T800 and it won't accept freon. It has new rubber lines, compressor, expansion valve, drier, evaporator and condenser. After pulling a vacuum on it, you can only put about 12 ounces of freon in it before the head pressure goes over 300. Any help will be greatly appreciated. Thanks
     
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  3. RustyRod

    RustyRod Bobtail Member

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    Feb 14, 2021
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    Had similar problem on my old F150 equipped with a fan clutch like semi's, the fan clutch was the issue as it wasn't strong enough to cool the system. A new one fixed it.
     
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  4. Klleetrucking

    Klleetrucking Medium Load Member

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    Dec 11, 2010
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    Just a shot in the dark here,, orifice tube clogged?
    Does your system even use an orifice tube?
    My '03 Pete had a clogged orifice tube and it acted similar, it would take forever to take refrigerant.
    BOL
     
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  5. Tnarg_elbog

    Tnarg_elbog Bobtail Member

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    Jun 29, 2022
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    No orifice tube. The kws use an expansion valve. The fan is kicking on and the pressure drops some when it kicks on but it starts climbing again.
     
  6. Nss

    Nss Light Load Member

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    Jul 5, 2021
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    Sounds like a plug/cap was left on one of the new parts
     
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