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Oil leak at gauge

Discussion in 'Early CJ5 and CJ6 Tech' started by MOP, Jun 11, 2006.

  1. Jun 11, 2006
    MOP

    MOP Active Member

    Manhattan, KS
    Joined:
    Sep 25, 2003
    Messages:
    1,133
    So, yesterday my JEEP decided that my pant leg was too clean and proceeded to start leaking oil. It has never leaked a drop, but this came on swift and severe. I tightened the fitting a little more, though it was not loose, but it is still dripping.

    So, does this indicate I need a new oil pressure gauge? Or, should I swap the copper tubing for nylon and see if it stops? The oil appears to be coming from the connection, not a crack in the line or from the gauge. Is there a small o-ring or gasket that might have gone bad?

    Sorry for the stupid questions, but it is not easy to see up there behind the dash to really figure out what might be going on.
     
  2. Jun 11, 2006
    1963cj5

    1963cj5 Member

    N.C.
    Joined:
    Jan 15, 2006
    Messages:
    307
    More than likely it is the line.. I would replace it back to copper,,I had one vibrate itself loose at the guage..What I discovered is it did not have a rubber grommet through the firewall to help with the vibration.. It hasnt leaked since..
     
  3. Jun 11, 2006
    Tumbleweed

    Tumbleweed Senior member

    Mtn. Home, Idaho
    Joined:
    Sep 27, 2002
    Messages:
    766
    Three out of four times I have had oil lines leak at the gauge were the tiny brass - barrel ferrule that goes around the line leaking.
     
  4. Jun 11, 2006
    MOP

    MOP Active Member

    Manhattan, KS
    Joined:
    Sep 25, 2003
    Messages:
    1,133
    Thanks guys. After reading your replies I went and unscrewed the line on the back of the gauge. The ferrule looked good, but when I gave it a slight tug (I thought it slipped off), the line broke in two. It had cracked at the ferrule. $5 at my FLAPS for a new fitting kit, a little finish filing on the copper line, and it's back to normal.
     

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