Cummins ISX 475 with 980000 miles is using a lot of oil......

Discussion in 'Trucks [ Eighteen Wheelers ]' started by snejana73, Dec 17, 2016.

  1. snejana73

    snejana73 Bobtail Member

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    Sep 10, 2012
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    40000 miles after changing main bearings truck started to consume a lot of oil. It used to be 1.5-2 gallons between oil change and now is 5-6 gallons. There is a small leak from the head , however no oil on the ground at all
    Any advise will be greatly appreciated
     
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  3. little cat 500

    little cat 500 Road Train Member

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    Abbottstown PA
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    sounds like its wore out
     
  4. snejana73

    snejana73 Bobtail Member

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    Sep 10, 2012
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    What do you mean ? What is wore out?
     
  5. icsheeple

    icsheeple Trailing the Herd

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    Kansas City, KS
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    4-5 gallons between oil changes? I'd just stop changing the oil and swap filters every 15-20k.
     
  6. GMB

    GMB Bobtail Member

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    Dec 17, 2016
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    Piston rings or turbo or valve seals...
     
  7. kwswan

    kwswan Road Train Member

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    mcminnville,tn.
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    Time for an overhaul before it spits a rod out the side of the block.
     
  8. GMB

    GMB Bobtail Member

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    Dec 17, 2016
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    We just put a cummins recon in our at 780,000 kms
     
  9. mitmaks

    mitmaks Road Train Member

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    Could be front seal leaking
     
  10. GMB

    GMB Bobtail Member

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    Dec 17, 2016
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    If it was front main seal he would see it leakon the ground...
     
  11. swaan

    swaan Road Train Member

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    Jul 12, 2009
    BC canada
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    980,000 miles and your wondering why its using oil now????

    Its done. Time for an inframe or with that kind milage a recon engine wouldnt be a bad choice either.

    Around thses parts guys with isx are only getting about 5-6 hundred thousand out those engines. Start useing oil or spit a con rod.

    Id say you did fantastic.!
     
    GMB Thanks this.
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