12.7 Series 60- Issues after rebuild

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by JoeyJunk, Aug 8, 2022.

  1. JoeyJunk

    JoeyJunk Road Train Member

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    Just had an engine built. Not my original block. Everything under the hood is brand new. New turbo (171701). New exhaust manifold (PAI). New CAC. New muffler, same as what was on before (Donaldson M100465)

    This rebuild took waaaay too long with way too many mistakes and excuses. Took my first trip today and the truck is LOUD. Annoyingly loud. Wasn’t like this before. I checked everything. No soot marks anywhere yet. Everything is tight.

    The truck now has a bad vibration. It’s not smooth at all. New dampner. New bull gear. New motor mounts. Everything new.

    I am at my wits end. Had to live off my engine fund since this took so long. Granted this is a 98 FLD120 that was abused when I got it. Engine has plenty of power. Accelerates great. The noise and vibration was not present with the old worn out engine and components.

    Any help, advice would be greatly appreciated. I’m so mad I can’t think straight.
     
    bzinger and singlescrewshaker Thank this.
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  3. 062

    062 Road Train Member

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    Where are you feeling the vibration?
    I would check carrier bearing for missing shims and re-torque the u-joints.
     
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  4. JoeyJunk

    JoeyJunk Road Train Member

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    Just sitting in the seat at idle. Can feel it in the shifter and in my seat. It’s not the normal smooth vibration of an engine idling.
     
    singlescrewshaker Thanks this.
  5. 062

    062 Road Train Member

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    That’s not good. Does it smooth out if you increase rpm?
     
  6. spsauerland

    spsauerland Road Train Member

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  7. Bean Jr.

    Bean Jr. Road Train Member

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    Push the clutch in. If it goes away, it's from the clutch to the input shaft. If it doesn't, it's the engine.
     
  8. JoeyJunk

    JoeyJunk Road Train Member

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    No it doesn’t.
     
  9. JoeyJunk

    JoeyJunk Road Train Member

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    No. Got the hard rubber ones from Freightliner.
     
  10. JoeyJunk

    JoeyJunk Road Train Member

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    No change.
     
  11. Star Rider

    Star Rider Light Load Member

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    Start simple , run the overhead and check that injector codes are correct.
     
    BoxCarKidd, Bean Jr., JoeyJunk and 3 others Thank this.
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