international prostar burning coolant to fast

Discussion in 'Trucks [ Eighteen Wheelers ]' started by LeftEyeDaTruckr, Apr 7, 2014.

  1. LeftEyeDaTruckr

    LeftEyeDaTruckr Bobtail Member

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    Jul 24, 2013
    Oakland, California
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    There's no visible leaks anywhere and already had 3 different shops check but none could find anything wrong...i think it's the egr but idk is it possible something else? Truck has burned through 11 gallons of coolant in last 7 days...oh and I got a Cummins motor
     
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  3. bjytech

    bjytech Light Load Member

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    Nov 9, 2013
    Ohio
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    What year Truck is it and what Cummins engine does it have in it?
    If it has the Cummins ISX cm871 first thing I would be checking would be the EGR cooler.
     
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  4. oldirtyjustin

    oldirtyjustin Bobtail Member

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    Apr 5, 2014
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    Definitely the erg cooler, I've changed tons of those pieces of crap!
     
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  5. LeftEyeDaTruckr

    LeftEyeDaTruckr Bobtail Member

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    Jul 24, 2013
    Oakland, California
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    im sorry I don't know what kind of Cummins I believe isx but it's a 2010
     
  6. Newtothis25

    Newtothis25 Bobtail Member

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    Sep 9, 2013
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    Sounds just like an EGR pretty expensive job for a shop to do it too
     
  7. Heavyd

    Heavyd Road Train Member

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    EGR coolers on ISX's have a 100% failure rate. All they need to do is remove the EGR mixing pipe where it connects to the intake manifold and look for the signs. Any half decent truck mechanic out there should have done at least a hand full of ISX egr coolers by now. Very common repair procedure.
     
  8. Ezrider_48501

    Ezrider_48501 Road Train Member

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    i drove a bran new 2013 pete for a while in the end of 2012- beginning of 2013 and it had the egr cooler replaced 3 times in the first 30k miles. by the 3rd one i knew the check engine light was going to come on for plugged egr about a week before it happened because the coolant level started dropping again.
     
  9. Heavyd

    Heavyd Road Train Member

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    What engine did it have?
     
  10. poppapump1332

    poppapump1332 Road Train Member

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    birdsboro,pa
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    Egr cooler is leaking everyone will eventually leak common problem on cummins mine is a 2010 also and it was replaced at 200,000.
     
  11. Ezrider_48501

    Ezrider_48501 Road Train Member

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    bismarck, nd
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    isx 550hp sorry i thought i put that in
     
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