Engine fan on, coolant temp low.

Discussion in 'Ask An Owner Operator' started by BJSingh_TruckersReport, Oct 24, 2021.

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  1. BJSingh_TruckersReport

    BJSingh_TruckersReport Bobtail Member

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    what should i start looking at?
     
    BJSingh_TruckersReport, Oct 24, 2021
    #1
  2. Spyro2112

    Spyro2112 Medium Load Member

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    Fan clutch, air fitting, thermostat
     
    Spyro2112, Oct 24, 2021
    #2
  3. lester

    lester Midwest's #1 Feed Hauler

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    Make, model, year or truck? Engine?
     
    lester, Oct 24, 2021
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    msh Thanks this.
  4. BJSingh_TruckersReport

    BJSingh_TruckersReport Bobtail Member

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    2013 Peterbilt 365, Cummins ISX 11.9.
     
    BJSingh_TruckersReport, Oct 24, 2021
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  5. Antinomian

    Antinomian Road Train Member

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    Add AC high pressure switch to that list.
     
    Antinomian, Oct 24, 2021
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    mtoo and msh Thank this.
  6. msh

    msh Light Load Member

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    most likely this switch is malfunctioning.
     
    msh, Oct 24, 2021
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    mtoo Thanks this.
  7. Gliding ProStar

    Gliding ProStar Heavy Load Member

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    Just to make sure, you don't have the fan switch in the "ON" position on the instrument panel do you?
     
    Gliding ProStar, Oct 24, 2021
    #7
  8. cke

    cke Road Train Member

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    Is the a/c turned on. Is the defrost turned on. That will turn the a/c on in turn turning on the fan.
     
    cke, Oct 24, 2021
    #8
  9. mtoo

    mtoo Road Train Member

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    X2
     
    mtoo, Oct 25, 2021
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  10. mtoo

    mtoo Road Train Member

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    X2 sorry double post
     
    mtoo, Oct 25, 2021
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