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No pressure in radiator

Discussion in 'Trucks [ Eighteen Wheelers ]' started by jjtrucking, Dec 17, 2013.

  1. Dec 17, 2013 #1
    jjtrucking

    jjtrucking Bobtail Member

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    Jul 30, 2012
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    I have a 60 series detriot can't get no pressure in radiator losing water but can't find the leak
     
    jjtrucking, Dec 17, 2013
    jjtrucking, Dec 17, 2013
    #1
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  3. Dec 17, 2013 #2
    Chip S

    Chip S Light Load Member

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    May 27, 2013
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    Pressure test your coolant cap, should hold 15 psi
     
    Chip S, Dec 17, 2013
    Chip S, Dec 17, 2013
    #2
  4. Dec 17, 2013 #3
    jjtrucking

    jjtrucking Bobtail Member

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    Jul 30, 2012
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    that what I was thinking could it be blowing the water out the overflow going down the road because it dont have no pressure on the radiator
     
    jjtrucking, Dec 17, 2013
    jjtrucking, Dec 17, 2013
    #3
  5. Dec 17, 2013 #4
    windsmith

    windsmith Road Train Member

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    Just change the cap, it's cheap. My series 60 never built much pressure either.

    Leak - EGR?
     
    windsmith, Dec 17, 2013
    windsmith, Dec 17, 2013
    #4
  7. Dec 17, 2013 #5
    jjtrucking

    jjtrucking Bobtail Member

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    Jul 30, 2012
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    no it not an egr motor the main thing I can't find were the water is going we done had the head reworked and a new head gasket but on but it still uses water and has no pressure in the radiator
     
    jjtrucking, Dec 17, 2013
    jjtrucking, Dec 17, 2013
    #5
  8. Dec 17, 2013 #6
    wore out

    wore out Numbered Classic

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    CHASIN THE DEVIL'S HERD
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    I have seen detroit compressors put a little antifreeze in oil pan and air tanks at same time. But that is discovered pretty quick. I would lean more toward cap or if trans has coolant running thru it the rubber hose gets brittle and is hard to see leaking. They also like to run below the cap a little, they will get rid of what they don't want,
     
    wore out, Dec 17, 2013
    wore out, Dec 17, 2013
    #6
  9. Dec 17, 2013 #7
    jjtrucking

    jjtrucking Bobtail Member

    27
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    Jul 30, 2012
    0
    I'm going to buy a new cap tomorrow and see if that helps this has been going on for awhile but it got gradually worst overtime
     
    jjtrucking, Dec 17, 2013
    jjtrucking, Dec 17, 2013
    #7
  10. Dec 18, 2013 #8
    windsmith

    windsmith Road Train Member

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    Have the oil analyzed at your next service interval. The sodium level will determine whether the leak is internal or external.
     
    windsmith, Dec 18, 2013
    windsmith, Dec 18, 2013
    #8
    jjtrucking Thanks this.
  11. Dec 18, 2013 #9
    jjtrucking

    jjtrucking Bobtail Member

    27
    0
    Jul 30, 2012
    0
    I found were the water going it going out the overflow tube on the radiator going down the road i'm going to get a new cap today and see if that helps
     
    jjtrucking, Dec 18, 2013
    jjtrucking, Dec 18, 2013
    #9
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