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2020 internatioanl - cummings engine - FLYWHEEL SOUNDS/Noise ?

Discussion in 'International Forum' started by JerryD13, Apr 29, 2023.

  1. Apr 29, 2023 #1
    JerryD13

    JerryD13 Light Load Member

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    Oct 17, 2016
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    Good Afternoon drivers, 2020 International / cummings engine

    So I have a sound coming from the transmission - FLYWHEEL - most likely
    truck has 340.000 miles and runs very good --- this FLYWHEEL SOUND / noise -- just
    started about a month ago and it seems like it may be getting worse.

    ** The noise is not all the time just once in a while.

    What would you recommend     -- to get this corrected -- and what would be the best approach
    for this type of problem.

    The sound comes on generally when in 10th Gear 50 mph + - going downhill.
     
    JerryD13, Apr 29, 2023
    JerryD13, Apr 29, 2023
    #1
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  3. Apr 29, 2023 #2
    JoeyJunk

    JoeyJunk Road Train Member

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    Dec 31, 2010
    Washington, PA
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    A6525FCA-6163-41B3-A910-1B9194BC0E20.jpeg
     
    JoeyJunk, Apr 29, 2023
    JoeyJunk, Apr 29, 2023
    #2
    QUALITYTRUCK, Heavyd, JB7 and 3 others Thank this.
  4. Apr 30, 2023 #3
    JB7

    JB7 Medium Load Member

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    In order to determine the cause, one of the most useful tools we have used is the Steelman Smart Ear. This tool uses a series of clamped wireless transmitters that are attached to various vehicle components, and a receiver that the technician can use to listen to the noises generated by those components.
    Some of these type of tools will also tell the frequency of the noise to narrow down the possibilities. Other than that the transmission would have to be pulled to check the pilot bearing (goes in the center of the flywheel) etc. What is the warranty on the trans? Some Eaton trans used in linehaul the warranty is 5 yrs 750k miles.
     
    JB7, Apr 30, 2023
    JB7, Apr 30, 2023
    #3
    JerryD13 Thanks this.
  5. May 1, 2023 #4
    InternationalExpert

    InternationalExpert Bobtail Member

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    Mar 1, 2022
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    are you sure its from the flywheel? could it be from the gearing in the trans? id think a flywheel would make noise all the time if that is where the sound is coming from.
     
    InternationalExpert, May 1, 2023
    InternationalExpert, May 1, 2023
    #4
    JerryD13 Thanks this.
  7. May 1, 2023 #5
    JerryD13

    JerryD13 Light Load Member

    169
    126
    Oct 17, 2016
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    Excellent response - never knew about the Steelman Smart Ear many thanks
     
    JerryD13, May 1, 2023
    JerryD13, May 1, 2023
    #5
    Heavyd Thanks this.
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