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Too Cold For The Fan...

Discussion in 'Ask An Owner Operator' started by ProfessionalNoticer, Nov 21, 2021.

Page 4 of 5
  1. Nov 21, 2021 #31
    bad-luck

    bad-luck Road Train Member

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    Here it is Screenshot_20211121-192233_Chrome.jpg
     
    bad-luck, Nov 21, 2021
    bad-luck, Nov 21, 2021
    #31
    shooter19802003 and ProfessionalNoticer Thank this.
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  3. Nov 21, 2021 #32
    ProfessionalNoticer

    ProfessionalNoticer Road Train Member

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    I've ran it all the way to about 225 degrees and no warning lights nor fan coming on.
     
    ProfessionalNoticer, Nov 21, 2021
    ProfessionalNoticer, Nov 21, 2021
    #32
    lester Thanks this.
  4. Nov 21, 2021 #33
    ProfessionalNoticer

    ProfessionalNoticer Road Train Member

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    ProfessionalNoticer, Nov 21, 2021
    ProfessionalNoticer, Nov 21, 2021
    #33
  5. Nov 21, 2021 #34
    lester

    lester Midwest's #1 Feed Hauler

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    Jan 2, 2012
    NW, Iowa
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    It's possible your ecm isn't reading coolant temp. Sensor could be bad or wiring. I think the E models have a different setup than mine. I have one Sensor for dash gauge and another for ecm.
    I think the scangauge is about the only cost effective option to monitor ecm. Other than a laptop and et
     
    lester, Nov 21, 2021
    lester, Nov 21, 2021
    #34
  7. Nov 21, 2021 #35
    special-k

    special-k Road Train Member

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    Dec 27, 2008
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    Does your fan work correctly under load going down the road?
     
    special-k, Nov 21, 2021
    special-k, Nov 21, 2021
    #35
  8. Nov 21, 2021 #36
    special-k

    special-k Road Train Member

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    Southern Ontario Canada
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    Buzzer won't come on but the fan should. Make sure your gauge is accurate. My 2000 2ws would heat up at 900rpm idling overnight in the winter. Never overheat though. But it would heat up to 200 degrees regularly. Worried me at first till l just got used to it. At least you have good heat that way!
     
    special-k, Nov 21, 2021
    special-k, Nov 21, 2021
    #36
    ProfessionalNoticer Thanks this.
  9. Nov 21, 2021 #37
    ProfessionalNoticer

    ProfessionalNoticer Road Train Member

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    It only works on the manual switch.
     
    ProfessionalNoticer, Nov 21, 2021
    ProfessionalNoticer, Nov 21, 2021
    #37
  10. Nov 21, 2021 #38
    ProfessionalNoticer

    ProfessionalNoticer Road Train Member

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    Good heat indeed. I have a 4 row dimpled rad and a high performance CAC so it runs colder than your average truck as it is. The gauge is definitely accurate. Confirmed with an infrared gun at the thermostat housing where the sending unit sits for the gauge.
     
    ProfessionalNoticer, Nov 21, 2021
    ProfessionalNoticer, Nov 21, 2021
    #38
    shooter19802003 Thanks this.
  11. Nov 21, 2021 #39
    ProfessionalNoticer

    ProfessionalNoticer Road Train Member

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    I know but a scan gauge isn't going to cut it. I have a laptop loaded with ET coming and a comm adapter. I'll be able to properly diagnose this issue then. However, I need to idle the truck at 1k no matter what so I need a temporary fix until I can square this issue away. Hoping the A/C cycling the fan will be enough to prevent an overheat.
     
    ProfessionalNoticer, Nov 21, 2021
    ProfessionalNoticer, Nov 21, 2021
    #39
  12. Nov 21, 2021 #40
    lester

    lester Midwest's #1 Feed Hauler

    2,920
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    Jan 2, 2012
    NW, Iowa
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    Unless it's deathly cold with a good wind I run my fan and idle at 1k rpm. Temps stay above 180 still
     
    lester, Nov 21, 2021
    lester, Nov 21, 2021
    #40
    ProfessionalNoticer Thanks this.
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