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X15 cummins shaking

Discussion in 'Ask An Owner Operator' started by HeavyHaulPete2004, Aug 7, 2022.

Page 1 of 2
  1. Aug 7, 2022 #1
    HeavyHaulPete2004

    HeavyHaulPete2004 Bobtail Member

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    Sep 21, 2021
    0
    I have an x15 performance in a 2019 Pete 567. When under load either from a stop or just bumping gears, from around 1200-1400 RPMs the engine is shaking pretty harsh. I have 166K on it. I have videos of this happening but can't upload them here. The company has had it in the shop. Checked and adjusted the timing and I don't know what else was looked at. I've heard of a couple things that could cause it but can't seem to pin point it. Any help would be great. I can send the videos to you just PM me if you will. Thank you
     
    HeavyHaulPete2004, Aug 7, 2022
    HeavyHaulPete2004, Aug 7, 2022
    #1
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  3. Aug 8, 2022 #2
    Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Jan 20, 2010
    Hesperia, Ca.
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    Check the air suspension height. I had a similar vibration after I had a transmission rebuild. The shop checked all the driveline components and was all in order, then they checked the air suspension height and it was 1” lower than normal. It was adjusted and the vibration went away.
     
    Diesel Dave, Aug 8, 2022
    Diesel Dave, Aug 8, 2022
    #2
    mitmaks, HeavyHaulPete2004 and Coffey Thank this.
  4. Aug 8, 2022 #3
    77fib77

    77fib77 Road Train Member

    8,583
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    Jul 7, 2010
    St Louis
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    I had a debt on a front wheel. When I was a company driver. It caused a lot of vibration. At 55 to 60 mile per hour. But yours is rpm specific.
     
    77fib77, Aug 8, 2022
    77fib77, Aug 8, 2022
    #3
  5. Aug 11, 2022 #4
    HeavyHaulPete2004

    HeavyHaulPete2004 Bobtail Member

    10
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    Sep 21, 2021
    0
    So amazing that this helped the issue. It's still there but no where near as bad. So I have to look deeper into the issue. But thank you
     
    HeavyHaulPete2004, Aug 11, 2022
    HeavyHaulPete2004, Aug 11, 2022
    #4
    Midwest Trucker and Diesel Dave Thank this.
  7. Aug 11, 2022 #5
    Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

    7,259
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    Jan 20, 2010
    Hesperia, Ca.
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    Have you checked the U-joints, carrier bearing and another possible culprit could be the slip through part of the driveshafts…….
     
    Diesel Dave, Aug 11, 2022
    Diesel Dave, Aug 11, 2022
    #5
    HeavyHaulPete2004 Thanks this.
  8. Aug 11, 2022 #6
    HeavyHaulPete2004

    HeavyHaulPete2004 Bobtail Member

    10
    5
    Sep 21, 2021
    0
    Yes I've looked through all of that. I started this life working on vehicles, so this is driving me crazy. I've looked at all the usual stuff
     
    HeavyHaulPete2004, Aug 11, 2022
    HeavyHaulPete2004, Aug 11, 2022
    #6
    Diesel Dave Thanks this.
  9. Aug 11, 2022 #7
    Short Fuse EOD

    Short Fuse EOD Road Train Member

    2,392
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    Jul 29, 2015
    Midwest
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    Mine is going back to shop for helicopter sounding knock noise around 1500 rpm. There’s a TSB on it.Fuel pump timing..




    …A performance x15 will shake at 1200 rpm in top gears. Too low rpm to run engine. Efficiency yes, performance no.
     
    Short Fuse EOD, Aug 11, 2022
    Short Fuse EOD, Aug 11, 2022
    #7
    Vampire and HeavyHaulPete2004 Thank this.
  10. Aug 14, 2022 #8
    HeavyHaulPete2004

    HeavyHaulPete2004 Bobtail Member

    10
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    Sep 21, 2021
    0
     
    HeavyHaulPete2004, Aug 14, 2022
    HeavyHaulPete2004, Aug 14, 2022
    #8
  11. Oct 5, 2022 #9
    drivinhome

    drivinhome Light Load Member

    91
    102
    Sep 16, 2009
    Southeastern Mass
    0
    Harmonic balancer. Common problem on the x15
     
    drivinhome, Oct 5, 2022
    drivinhome, Oct 5, 2022
    #9
    HeavyHaulPete2004 Thanks this.
  12. Oct 5, 2022 #10
    HeavyHaulPete2004

    HeavyHaulPete2004 Bobtail Member

    10
    5
    Sep 21, 2021
    0
    Yes we replaced it. Still shakes.
     
    HeavyHaulPete2004, Oct 5, 2022
    HeavyHaulPete2004, Oct 5, 2022
    #10
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