OIl leaking from Differential breather tube fitting

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by murat, Mar 4, 2020.

  1. murat

    murat Light Load Member

    217
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    Jul 21, 2009
    nebraska
    0
    I found oil just started leaking around the number two axle vent tube, what is the most likely cause.I felt the housing and they don't feel hotter than the rear one I can't imagine that the heat would cause that to happen
    [​IMG]
     
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  3. truckdriver31

    truckdriver31 Road Train Member

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    Sep 18, 2013
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    maybe to full or check valve on tube is clogged
     
  4. dibstr

    dibstr Road Train Member

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    Sep 10, 2010
    Mississippi
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    Water?
     
  5. truckdriver31

    truckdriver31 Road Train Member

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    i would clean or replace that check valve
     
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  6. murat

    murat Light Load Member

    217
    123
    Jul 21, 2009
    nebraska
    0
    This morning with daylight and sleep I found the valve was loose where it screws into the housing.
     
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  7. lwlevens

    lwlevens Medium Load Member

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    Feb 9, 2018
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    Tighten her up,if it still leaks probably plugged or needs replaced.
     
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