got a weird defrost issue

Discussion in 'Freightliner Forum' started by 4noReason, Jan 29, 2020.

  1. 4noReason

    4noReason Road Train Member

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    ok so my heat and defrost work strong. blower is new as well. since last week ive tried all temps and speeds with windows up or down. and nothing will get rid of the frost. i added a pic for refence. it happens when i drive. all my windows look the same. i also tried turning off feature and moving it to feet only. 20200129_162639.jpg
     
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  3. 062

    062 Road Train Member

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    Do you have air coming out of the defrost vents?
    If so I’d say you’re low on Freon or the windshield is leaking.
     
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  4. Crude Truckin'

    Crude Truckin' Alien Spacecraft

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  5. mitrucker

    mitrucker Road Train Member

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    Is your AC button on?
     
  6. 4noReason

    4noReason Road Train Member

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    yes very strong and hot
     
  7. 4noReason

    4noReason Road Train Member

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    but air comes out
     
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  8. 4noReason

    4noReason Road Train Member

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    off . such weird stuff man
     
  9. mitrucker

    mitrucker Road Train Member

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    Turn it on. Right now you’re blowing hot moist air on a cold windshield.
     
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  10. 062

    062 Road Train Member

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    Pop the hood and make sure the ac compressor kicks in.
    If you have a fresh/recirculate button make sure it’s on fresh.
     
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  11. Crude Truckin'

    Crude Truckin' Alien Spacecraft

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    In a Cascadia, ac should come on when it's on defrost, and the snowflake will illuminate on the control knob.
     
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