Leaking p-trap joint and can’t unscrew nut

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by ikaurs, Oct 1, 2010.

  1. ikaurs

    ikaurs New Member

    Messages:
    8
    I replaced my kitchen sink and garbage disposer and intended on swiveling the p-trap to line up with the new disposer. I thought the p-trap was attached with a slip joint connection and all I would have to do is loosen the slip joint nut. However, the nut won’t move. I was still able to swivel the trap slightly, and of course now there is a drip coming from that joint. Any recommendations on how to fix? Thanks.
    leaking joint.jpg
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,843
    Location:
    Cave Creek, Arizona
    IT is a "union nut" not a "slip joint" and they are often very difficult to loosen, and often when you do the nut cracks. Since it is a union joint, "moving" it does make it leak unless you can tighten the nut further, or take it apart and use a suitable joint compound on it.
  3. ikaurs

    ikaurs New Member

    Messages:
    8
    Thanks for the clarification. Since I don’t think it can get any tighter, should my next step be to try turning the union nut (counterclockwise?) with Channel-Locks until it either comes loose or something breaks, and then go from there?
  4. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    The nut is captive on the U, so the male threads are on the wall elbow. Make sure you are turning the right direction.
  5. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,843
    Location:
    Cave Creek, Arizona
    You can try it, but I would just cut it off and redo the whole thing using tubular trap and fittings instead of sch. 40 glued ones.
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