Possible bad sensor?

Discussion in 'Freightliner Forum' started by Sherm117, Mar 10, 2019.

  1. Sherm117

    Sherm117 Light Load Member

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    Nov 15, 2015
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    I have a serious issue with my fan clutch, the clutch itself was replaced & now with the new clutch installed my fan comes on and off like crazy. Normally, my fan engages around 200 degrees, but now its coming on and off well before 200 degrees and its happening when I'm bobtail at that. Any feed back would be greatly appreciated, thanks!
     
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  3. 86scotty

    86scotty Road Train Member

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    How could you expect help without any mention what year, make and model of truck? I mean, we talking about an F150 or what?
     
  4. Sherm117

    Sherm117 Light Load Member

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    That's a really good question, my apologies for that. 2009 freightliner Columbia Detroit 60 series engine
     
  5. Ridgeline

    Ridgeline Road Train Member

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    do you have your defroster on?
     
  6. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    High side a/c switch. Easy to change. 9/16 wrench. MEI #1324. It's the switch with the green connector base.
     
  7. Sherm117

    Sherm117 Light Load Member

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    Nov 15, 2015
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    Yeah I have my defroster on.
     
  8. Sherm117

    Sherm117 Light Load Member

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    Nov 15, 2015
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    Thank you
     
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