ISX Hole in the Block

Discussion in 'Trucks [ Eighteen Wheelers ]' started by ISXunlike, Aug 21, 2013.

  1. ISXunlike

    ISXunlike Bobtail Member

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    May 12, 2013
    Cortez, CO
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    In March I bought a 2005 w900L with an ISX in it. After doing an EGR delete(because the cooler was leaking), bad ECM tune, then a PDI tune, I now have a big hole in the side of the block. I haven't disassembled to see what happened, but I'm wondering if this is a frequent ISX occurrence after tuning, or if I'm just lucky. Also wondering how hard it would be to switch over to Cat power, since this one's junk.
     
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  3. wore out

    wore out Numbered Classic

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    CHASIN THE DEVIL'S HERD
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    The swap over to cat power shouldnt be to hard, do a general search of ISX to c15 adapter harness I bet there is a company producing them. There are several making adapters to go from mechanical to 70 pin cat just a plug up deal from whatI understand. The one I looked at in truck certainly was, I have always used wiring harness that came with eng and a schematic. The one I seen went from a peek to a 6NZ 70 pin (major change) and was only 600.00 roughly. AS far as the ISX I have worked on several stock ones never seen one vent but really not versed in them well enough to say.
     
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  4. Aussie jake

    Aussie jake Bobtail Member

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    Jan 29, 2012
    Melbourne victoria
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    The fleet I do for had me to pdi ecms on isx egr's, one broke a piston and destroyed it self that first trip. The second one destroyed a turbo second trip. Both engines had about 100000kms on them.
     
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  5. dude6710

    dude6710 Road Train Member

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    Mar 26, 2010
    MN
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    I had a buddy with an isx. With how much he paid in the last 3 years to keep that motor going he coulda done a c15 swap.
     
  6. bigguns

    bigguns Road Train Member

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    Jun 13, 2013
    Omega,GA
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    Yes to answer your question. An ISX with a hole is the block is a fairly common occurrence.
     
  7. Heavyd

    Heavyd Road Train Member

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    Did you redo the oil cooler, or just the remove the EGR cooler?
     
  8. manasteel

    manasteel Light Load Member

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    Sep 10, 2012
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    A large outfit here in northern ca. had a couple of engines become ventilated, the suits showed up and told them we are sorry but you did not use our filters. If I remember right it was a wrist pin snap ring that failed.
     
  9. blanco

    blanco Road Train Member

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    Nov 20, 2009
    Gwinnett County, GA
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    Ouchy... post pics if you get them.

    I'd like to see what it looked like and extent of damage.
     
  10. Rawze

    Rawze Medium Load Member

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    Jun 29, 2013
    inmytruck
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    I cannot confirm this but you ae the third person I have seen say they had a PDI or other delete done, then had the block fail on them. Lst 2 were on the drivers side just under/below the ECM area. I know for a fact that PDI tunes are horrible for the ISX CM871, and not very good for the CM870's, causing excess head pressures, cracked heads, and frequent turbo failures. It would not be out of the question that excess head pressures could also contribute toward this problem as well.

    some more reading on the whole 'Delete thing'...

    http://www.thetruckersreport.com/tr...s-eighteen-wheelers/220280-isx-600-turbo.html
     
  11. Aussie jake

    Aussie jake Bobtail Member

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    Jan 29, 2012
    Melbourne victoria
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    We fitted the pdi ecm to a road train after we had the two fail in the fleet. The owner made us pull it off after just 1100 kms. To aggressive he said.
     
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