DD15 SHUTTING DOWN

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Inmsa, Feb 17, 2020.

  1. north60

    north60 Bobtail Member

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    25
    Jun 13, 2019
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    if it starts after replacing a clutch the flywheel is likely not timed to the crank and needs a new main gear and flywheel.

    OP, could be a bent tone ring on the intake cam. could have been bent during injector replacement...not sure if it was removed at that time, it doesnt have to be. if cam housing was resealed, could be out of time.
     
    armo Thanks this.
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  3. armo

    armo Light Load Member

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    Jun 16, 2022
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    Wrong installed flywheel or wrong flywheel ...
     
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  5. deiseldemon78

    deiseldemon78 Bobtail Member

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    Jun 14, 2022
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    Yes sir. They didn't line up the flywheel right
    Thanks for the info.
     
    armo Thanks this.
  6. spencer0723

    spencer0723 Bobtail Member

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    0
    Dec 18, 2020
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    Did you ever fix this? I'm having the same issue. All my mechanics are puzzled. Been down for about a month. Thanks
     
    Last edited: Jul 24, 2023
  7. JB7

    JB7 Heavy Load Member

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    1,647
    Dec 13, 2022
    Laurel, MD
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    Go back and read post #'s 12,15,22 in this thread. You don't say if any work was done recently on the truck.
     
  8. NS22

    NS22 Bobtail Member

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    0
    Dec 28, 2023
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    - Mine ended up being that tone ring. Its really hard to find this issue because hardly anyone suspects its, but we checked all the sensor and electrical stuff, spent a whole day searching for it and it ended up being that tone ring. Unfortunately you cannot buy it alone, you have to get the full cam shaft with tone ring from dealer and its about $12-1400 brand new or you can find it at a junk place for cheaper.
     
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