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ISX FUEL PUMP DISINTEGRATION

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by StormShadow, May 21, 2018.

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  1. May 21, 2018 #1
    StormShadow

    StormShadow Bobtail Member

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    May 21, 2018
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    I have a 2015 Kenworth T680 with a 550 ISX. I had started to notice that my oil pressure was starting to get lower and lower, with the gauge reading sporadically. Replaced the oil pressure sensor thinking it would solve the problem of the gauge jumping around. Something didn't feel right so I brought my truck to Cummins. Apparently the fuel pump let go, throwing metal shavings into the motor via the engine oil. It made it past the oil screen and worked it's way into the lower half of the motor, trashing the rods and mains, the crankshaft, and a few other things. Has anyone else had this happen to them? Any recalls or campaigns that would apply to this problem? Any help would be appreciated!

    Mike W.
     
    StormShadow, May 21, 2018
    StormShadow, May 21, 2018
    #1
    Justchilling247, disoba and Oldironfan Thank this.
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  3. May 21, 2018 #2
    Crude Truckin'

    Crude Truckin' Alien Spacecraft

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    North Dakota, Eh?
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    Notorious for it.
     
    Crude Truckin', May 21, 2018
    Crude Truckin', May 21, 2018
    #2
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  4. May 21, 2018 #3
    RustyBolt

    RustyBolt Road Train Member

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    All you have to do is fire up Google. This is, and has been, a known issue. Hope you have a very large break down fund set aside. Generally, from what I have read, the fix is to replace the engine completely. On your dime.

    Good luck to you.
     
    RustyBolt, May 21, 2018
    RustyBolt, May 21, 2018
    #3
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  5. May 21, 2018 #4
    Hulld

    Hulld Road Train Member

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    Sorry to say but I had a conversation with a car hauler I know who went thru the same issue.
    Totally ruined his entire motor and cost him a new engine and $34,000.00 of his own money to get it up and running again.
    Pure ######## design that’s for sure.
     
    Hulld, May 21, 2018
    Hulld, May 21, 2018
    #4
    Oldironfan and Crude Truckin' Thank this.
  7. May 21, 2018 #5
    boneebone

    boneebone Road Train Member

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    The Signature 600 and ISX15 are the worst motors Cummins has ever made.

    Cummins has known about this problem since the 2012 MY, but has refused to issue a recall.

    The only thing is to see if there's a class action lawsuit regarding this problem and join it.

    Unfortunately, the repair of your engine is going to be on your own dime.........lots and lots of them.
     
    Last edited: May 21, 2018
    boneebone, May 21, 2018
    boneebone, May 21, 2018
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    Oldironfan Thanks this.
  8. May 21, 2018 #6
    pushbroom

    pushbroom Road Train Member

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    You can try to see if you can get policy on it. If you are the original owner and purchased the extended warranty, lots of times cummins will pay at least some of the bill. If it is a 2nd owner truck, probably not going to get anything.
     
    pushbroom, May 21, 2018
    pushbroom, May 21, 2018
    #6
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  9. May 21, 2018 #7
    boneebone

    boneebone Road Train Member

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    boneebone, May 21, 2018
    boneebone, May 21, 2018
    #7
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  10. Aug 30, 2018 #8
    CraigInReston

    CraigInReston Light Load Member

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    Apr 6, 2017
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    I'm sorry my friend. I feel for you... I'm going through an inframe with the older 871 right now. A friend of mine has your engine, and the exact same thing happened to him. Fuel pump gear shaved off and did catastrophic damage. He only had 225,000miles on last inframe. Apparently he had no coverage, as it was considered an accessory component, which was never checked or advised him to change. He ended up buying a used 450 ISX w/200,000miles and installing for approx. $24,000. Hope we have better luck with these money-pits in the future.
     
    CraigInReston, Aug 30, 2018
    CraigInReston, Aug 30, 2018
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  11. Aug 30, 2018 #9
    Oldironfan

    Oldironfan Road Train Member

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    Someone is not happy.
     
    Oldironfan, Aug 30, 2018
    Oldironfan, Aug 30, 2018
    #9
  12. Aug 30, 2018 #10
    Dave_in_AZ

    Dave_in_AZ Road Train Member

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    How long, how many miles did you drive it from the time you noticed the oil pressure gauge dancing, until you went to Cummins?
     
    Dave_in_AZ, Aug 30, 2018
    Dave_in_AZ, Aug 30, 2018
    #10
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