Fan overide issues

Discussion in 'Ask An Owner Operator' started by Bluerits, Aug 3, 2022.

  1. Bluerits

    Bluerits Bobtail Member

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    Aug 3, 2022
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    Hey guys, I have a 2011 Int prostar with a maxforce 13L engine. Upon startup, my electrical (not elec over air) clutch fan engages and runs for about 2 minutes. It's alway done this and I suspect thats normal. A couple days ago, the fan guit working after this startup period unless the rpms are over 1300. Even when I engage the fan overide switch nothing works below 13 - 1400 rpm.
    No codes are coming up and my local mechanic is stumped.
    Any helpful hints would be appreciated.
     
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  3. Keepforgettingmypassword

    Keepforgettingmypassword Light Load Member

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    Jan 11, 2022
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    My fan has a air valve on the fire wall. 25.00. But different trucks. Also when this went out there was no code.
     
  4. Ridgeline

    Ridgeline Road Train Member

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    Bring to a place that has software for a corn binder. See if they can see the fan request at the ecm level.
     
    Bean Jr. Thanks this.
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