2003 Cummins ISX running HOT ? Coolant refill ?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by marc670, Sep 28, 2009.

  1. marc670

    marc670 Bobtail Member

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    Sep 28, 2009
    orange ca
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    I was wondering if any of you guys that are driving a similar engine
    (I drive a 2003 Volvo 670 with a Cummins ISX) are experiencing a similar issue : the truck I drive gets up to 210 degrees quick ..it stays there but I believe it should run a bit cooler ?
    What is normal for this engine ..I was told that ISX runs hotter because it has the EGR valve set up for emissions purposes.
    Also, when pulling heavy loads it seems that I have to refill coolant too often ..like 1/2 Gal every 1 k miles ?
    Any suggestions ?Thanks
     
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  3. Sportster2000

    Sportster2000 Road Train Member

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    Jan 5, 2008
    Indiana
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    I wouldn't worry about that temp. I would worry about the coolant usage.
     
    marc670 Thanks this.
  4. marc670

    marc670 Bobtail Member

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    Sep 28, 2009
    orange ca
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    I dont see any coolant leaks and no water in the oil either .
    No white smoke at all....so where is at that coolant goin' ?
     
  5. ETCH5858

    ETCH5858 Medium Load Member

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    Feb 25, 2009
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    Blowing thru the EGR
     
    bulldozerbert Thanks this.
  6. bulldozerbert

    bulldozerbert Medium Load Member

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    Oct 5, 2008
    Ontario
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    we had a truck once that used a little coolant. not sure how much over how many miles, but it was the rings on the pistons. they only found it after they dropped the oil pan and did a pressure check.

    I seriously hope that is not your problem.

    we have also had trucks that have small leaks from hoses, that may be dripping on exhaust, so they are hard to find.

    doing a pressure check may help find the problem

    good luck
     
  7. Strange77

    Strange77 Light Load Member

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    Oct 1, 2011
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    internal coolant loss removed the charge air pipe from the intake and look inside with a flashlight to see if the egr cooler is leaking and sending coolant around to the intake. small leaks can be extremely hard to find. but if it is leaking you will see the intake wet.
     
  8. marced47

    marced47 Bobtail Member

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    May 7, 2014
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    Company Volo I was driving would use a gallon coolant to east coast from Ohio and gallon on return trip
    Found out it was blowing out the stack. Egr valve needed replaced.
     
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