ISX injectors and overhead

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by HoneyBadger67, Nov 24, 2019.

  1. HoneyBadger67

    HoneyBadger67 Road Train Member

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    I'll have to look that up. Having never worked on these big diesels before, a lot of the terminology is Greek to me. I did adhere strictly to the instructions rawze gave in the video.
     
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  3. pushbroom

    pushbroom Road Train Member

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    I thought he was just referring to the check spec for a top end set vs the spec you set them to if you are adjusting it.
     
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  4. spsauerland

    spsauerland Road Train Member

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    Could be, and that is a very wide spec!
     
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  5. pushbroom

    pushbroom Road Train Member

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    Makes ya wonder why you are so picky during a top set eh? Lol
     
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  6. spsauerland

    spsauerland Road Train Member

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    Especially after going through a genuine Cummins Recon engine from Mexico. Just did long block ISM that comes without jakes and needed bridges and injector adjuster screws. Don't think the use a 6 in/lb wrench, but maybe a 60 ft/lb because they were tight!
     
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  7. HoneyBadger67

    HoneyBadger67 Road Train Member

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    I may have to put you on 'ignore', #### it....
    After replacing what appeared to be the faulty injector, I was still finding fuel in the oil. I finally had a chance to get the truck into a shop and they found a hairline crack in the number two injector port. :-(
    I also had them drop the pan to check rod and main bearings. Bearings were shot, crank wasn't damaged though.
    Attached are pictures of a couple of the bearings. 20200125_130248.jpg 20200125_130054.jpg 20200125_130123.jpg 20200125_130419.jpg
     
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  8. HoneyBadger67

    HoneyBadger67 Road Train Member

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    I'd say I was extremely fortunate that none of them spun.

    I'm also going to give an endorsement to Schmid and Sons in David City, NE. Ten days from the time I dropped the truck off it was ready to go back to work.
     
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  9. Goodysnap

    Goodysnap Road Train Member

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    Positive feedback about a repair shop...…..gotta love it.

    Seems you only hear about the bad ones...…….kuddo's
     
  10. pushbroom

    pushbroom Road Train Member

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    Bearings are getting pretty bad. Sucks ya had to do the head and the injector.
    Ah well, as long as the fuel stays outta the oil
     
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  11. HoneyBadger67

    HoneyBadger67 Road Train Member

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    I figure the only thing that saved the crank was being in a bath of diluted oil. If I'd tried to keep the fuel/oil at its proper level, the crank would probably have been toast, too.
     
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