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What’s this……leak on the side of the motor?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by nikmirbre, Jun 22, 2023.

Page 4 of 6
  1. Jul 13, 2023 #31
    nikmirbre

    nikmirbre Road Train Member

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    IMG_1156.jpeg IMG_1157.jpeg
     
    nikmirbre, Jul 13, 2023
    nikmirbre, Jul 13, 2023
    #31
    Rideandrepair, JoeyJunk and D.Tibbitt Thank this.
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  3. Jul 14, 2023 #32
    nikmirbre

    nikmirbre Road Train Member

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    I dont fully understand everything that goes on inside a motor so ill ask this best I can. The center of the crank...the smooth metal part, I assume bearings go around those and it looks like the bearings have been rubbing against that..... Any reason why? The way I understood it was as following..... there was a small piece of a cylinder ring that had broke off and was stuffed inside a nozzle that allows oil into the crank. So no alot of oil was getting through or something...... didnt help that my oil was kinda sludgy.
     
    nikmirbre, Jul 14, 2023
    nikmirbre, Jul 14, 2023
    #32
    Rideandrepair Thanks this.
  4. Jul 14, 2023 #33
    Big Road Skateboard

    Big Road Skateboard Road Train Member

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    A pic would help. No way for a broken ring piece to get into a pressure galley. I don't see anything obvious in the pics you posted above
     
    Big Road Skateboard, Jul 14, 2023
    Big Road Skateboard, Jul 14, 2023
    #33
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  5. Jul 17, 2023 #34
    Rideandrepair

    Rideandrepair Road Train Member

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    Piston cooling nozzle maybe?
     
    Rideandrepair, Jul 17, 2023
    Rideandrepair, Jul 17, 2023
    #34
    nikmirbre Thanks this.
  7. Jul 17, 2023 #35
    Rideandrepair

    Rideandrepair Road Train Member

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    They also have little rubber plugs for the weep holes. Yours was missing. I think they keep dirt out. They just pop on and fit loosely, to allow any coolant leak to show up.
     
    Rideandrepair, Jul 17, 2023
    Rideandrepair, Jul 17, 2023
    #35
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  8. Jul 17, 2023 #36
    Rideandrepair

    Rideandrepair Road Train Member

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    On the side? Maybe thrust washer rubbing. I think @Big Road Skateboard mentioned once that bumping a dock too hard, can cause that. My friend did just that. Luckily he also decided to change the oil pan gasket. Found the thrust washer Laying on the bottom of the pan. It was damaged pretty bad. Crank scratched up too. We used some emery cloth on the crank. Put a new thrust washer in. DD said proper repair was line boring and a new crank. Hopefully it stays together till he gets a new reman engine.
     
    Rideandrepair, Jul 17, 2023
    Rideandrepair, Jul 17, 2023
    #36
    RubyEagle and nikmirbre Thank this.
  9. Jul 17, 2023 #37
    nikmirbre

    nikmirbre Road Train Member

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    Yeah, im gonna look for some tomorrow. When I went to drop off a few sensors, he had another engine that he was painting and rebuilding and those little rubber plugs were inserted in.
     
    nikmirbre, Jul 17, 2023
    nikmirbre, Jul 17, 2023
    #37
    Rideandrepair Thanks this.
  10. Jul 17, 2023 #38
    nikmirbre

    nikmirbre Road Train Member

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    Ill get some pics up tomorrow. Not sure what ill get pics of though.....I know the crank is gone as we found a new one to exchange...
     
    nikmirbre, Jul 17, 2023
    nikmirbre, Jul 17, 2023
    #38
    Rideandrepair Thanks this.
  11. Jul 17, 2023 #39
    nikmirbre

    nikmirbre Road Train Member

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    Yeah I remember a thread about the hard bump docking, I haven't bumped a dock in over 10 years :D..... was that the cause of your buddies bad crank..bumping a dock too hard??
     
    nikmirbre, Jul 17, 2023
    nikmirbre, Jul 17, 2023
    #39
    Rideandrepair Thanks this.
  12. Jul 19, 2023 #40
    nikmirbre

    nikmirbre Road Train Member

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    nikmirbre, Jul 19, 2023
    nikmirbre, Jul 19, 2023
    #40
    Rideandrepair Thanks this.
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