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Thinking of doing a rebuild on a DD15? DONT!

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by 1dan, May 4, 2018.

Page 1 of 5
  1. May 4, 2018 #1
    1dan

    1dan Bobtail Member

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    Just don't do it. These engine are like cheap plastic bags that work great until they break and its not worth fixing them, It happened to me and many others i met after I did the rebuild. I wish I knew this before. Just putting this out there, hoping to help some poor people.
     
    1dan, May 4, 2018
    1dan, May 4, 2018
    #1
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  3. May 4, 2018 #2
    ast26909

    ast26909 Medium Load Member

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    What are the problems? Parts unavailable? Too expensive?
     
    ast26909, May 4, 2018
    ast26909, May 4, 2018
    #2
  4. May 4, 2018 #3
    Dave_in_AZ

    Dave_in_AZ Road Train Member

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    I know these dudes that dropped the pick up tube, guess this is pretty common, and spun a main.

    They got it reworked, back in truck, $18K.

    Not long ago. I'm curious to see how long it lasts as well.
     
    Dave_in_AZ, May 4, 2018
    Dave_in_AZ, May 4, 2018
    #3
    KB3MMX Thanks this.
  5. May 4, 2018 #4
    1dan

    1dan Bobtail Member

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    My engine had a rebuild and the main bearings seized after 50k because the crankshaft was bad, and this is a very common problem. Also the O rings from the oil pump tubes can drop lower pressure and if not fixed in time can damage the engine, but that one is and easy fix and many shops will recommend changing it.
     
    1dan, May 4, 2018
    1dan, May 4, 2018
    #4
    Captain Mudsocks, Intothesunset and Confused Thank this.
  7. May 4, 2018 #5
    daf105paccar

    daf105paccar Road Train Member

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    So you are saying that because you or your shop did not do all needed repairs and upgrades the DD15 is a bad engine?
     
    daf105paccar, May 4, 2018
    daf105paccar, May 4, 2018
    #5
    Phoenix Heavy Haul, tommymonza, magoo68 and 6 others Thank this.
  8. May 4, 2018 #6
    1dan

    1dan Bobtail Member

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    May 2, 2018
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    No, i am saying that because the crankshaft is not replaced in a regular rebuild and it might not show signs of damage but it will not last long after that. So your regular rebuild will cost as a new engine if you will have to change the crankshaft as well
     
    1dan, May 4, 2018
    1dan, May 4, 2018
    #6
  9. May 4, 2018 #7
    daf105paccar

    daf105paccar Road Train Member

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    Did you measure the crankshaft to see if it was within tolerance when you did the rebuild?
    Did you replace the bearings?
    Did you replace the oilpump?
     
    daf105paccar, May 4, 2018
    daf105paccar, May 4, 2018
    #7
    Dino soar, tommymonza, AModelCat and 2 others Thank this.
  10. May 5, 2018 #8
    1dan

    1dan Bobtail Member

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    May 2, 2018
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    the bearings and the pump are included in the kit. not sure about measuring it tho
     
    1dan, May 5, 2018
    1dan, May 5, 2018
    #8
    daf105paccar Thanks this.
  11. May 5, 2018 #9
    sdaniel

    sdaniel Road Train Member

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    The tech that rebuilt your engine took shortcuts , if he did not check the crank . Would took about 20 min extra .
     
    sdaniel, May 5, 2018
    sdaniel, May 5, 2018
    #9
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  12. May 5, 2018 #10
    Heavyd

    Heavyd Road Train Member

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    Are they not standing behind their work? Sounds like a workmanship problem, not a product problem. If Detroits regularly blew up after 50k, they'd be out of business by now.
     
    Heavyd, May 5, 2018
    Heavyd, May 5, 2018
    #10
    Phoenix Heavy Haul, BackwoodsGA, Dino soar and 11 others Thank this.
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