2013 Eaton Fuller low gear banging

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by LongviewEnergy, May 6, 2022.

  1. LongviewEnergy

    LongviewEnergy Bobtail Member

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    May 6, 2022
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    Good morning, I have a 2012 Cascadia with an Eaton Fuller 13sp. While in low gears and also low side of the high range im getting a clunk/banging noise. It does not dont his on hig side of the high range gears or reverse. Any ideas what may be wrong? TIA
     
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  3. bjrc

    bjrc Light Load Member

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    Sep 14, 2018
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    If the noise increases frequency as the rpm increases could be a tooth broken on a gear.
     
  4. W923

    W923 Road Train Member

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    Feb 28, 2022
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    I would say the problem is most likely in the back box.
    Does apply power or using the jakes make any difference?
    Probably going to end up pulling the trans… ED709A53-E2A9-411F-AC31-D2E4CA5293D1.jpeg Hopefully it doesn’t look like this
     
    baha Thanks this.
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