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2002 dt466e low oil pressure only once warm

Discussion in 'International Forum' started by marvelouzone, Aug 31, 2016.

  1. Aug 31, 2016 #1
    marvelouzone

    marvelouzone Bobtail Member

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    Jul 16, 2016
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    what do you guys make of the dt466e loosing oil pressure once hot at operating temperature? when first started its at 45 - 50psi then once it's hot its showing 5 psi and engine light starts to come on with audible warning.should I be looking for a regulator stuck open in the front cover? or something else?
     
    marvelouzone, Aug 31, 2016
    marvelouzone, Aug 31, 2016
    #1
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  3. Aug 31, 2016 #2
    Heavyd

    Heavyd Road Train Member

    7,626
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    Feb 4, 2009
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    It is likely a scored gerotor oil pump. The oil pressure regular is behind the oil filter housing in the block. Oil filter housing and oil cooler have to come off to replace it. The oil pump is behind the vibration dampener. One last thing is a possible cracked oil pick up tube.
     
    Heavyd, Aug 31, 2016
    Heavyd, Aug 31, 2016
    #2
    QUALITYTRUCK Thanks this.
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