2010 Cascadia engine fan problem

Discussion in 'Freightliner Forum' started by abenaki, Jun 12, 2014.

  1. abenaki

    abenaki Bobtail Member

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    Jan 22, 2014
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    2010 Cascadia engine fan doesn't come on automatically. Only with switch. Is it a sensor or maybe a fuse issue?
     
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  3. baha

    baha Road Train Member

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    Jul 25, 2013
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    You can change heat off/on switch on water rail,if you drain some coolant out below sensor,
     
  4. eeb

    eeb Heavy Load Member

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    Mar 24, 2013
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    Even when you're running the air conditioner? How hot does the engine get?
     
  5. abenaki

    abenaki Bobtail Member

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    Jan 22, 2014
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    Fan comes on with Jakes and sometimes when a/c is on..and manually..
     
  6. eeb

    eeb Heavy Load Member

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    How hot does it get before you flip the switch? They're sometimes programmed not to come on until 207* or higher for maximum efficiency. Freaks some guys out.
     
  7. abenaki

    abenaki Bobtail Member

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    Jan 22, 2014
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    Gets over 225 and into the red zone then buzzer and hi temp warning come on
     
  8. eeb

    eeb Heavy Load Member

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    Yeah, that's probably not good.
     
  9. ff2502004

    ff2502004 Bobtail Member

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    Dec 31, 2011
    Henderson NV
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    Fan clutch is bad, need to replace it.
     
  10. abenaki

    abenaki Bobtail Member

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    Jan 22, 2014
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    Even if it comes on once in awhile? Also comes on when Jakes are on and also sometimes when a/c is on?
     
  11. eeb

    eeb Heavy Load Member

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    Mar 24, 2013
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    Does it come on every time you turn it on manually? If so it sounds like a sensor or wiring problem. May have separate sensors for the gauge and computer or air valve.
     
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