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    MattDz02's Avatar
    MattDz02 Posts: 14, Reputation: 1
    New Member
    		  
    #1

    Jul 28, 2009, 05:20 AM
    Leaky J-Trap under kitchen sink
    I was doing some work yesterday on my stinky dishwasher adjusting the hose connecting the dishwasher to my garbage disposal and in the process I banged my elbow on the J-trap under the sink and then noticed that it started to leak. The water leaks very slowly oozing out through the top of the nut that I used to connect the straight pipe to the J-trap. When the water is running through the pipes I notice no leaks it is only when I shut the water off and the trap is filled with water that the water starts coming out of the first connection in the J-trap. Hopefully that isn't too confusing. I have tried everything I can think of, readjusting the straight pipe(this actually made thing worse as the T joint started leaking), plumbers tape and still a slow very annoying leak. Any help would be greatly appreciated as I am at my wits end with this plumbing problem.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Jul 28, 2009, 05:23 AM
    Remove the "J" bend and install new rubber gaskets. Good luck, Tom
    MattDz02's Avatar
    MattDz02 Posts: 14, Reputation: 1
    New Member
    		  
    #3

    Jul 28, 2009, 06:01 AM
    Quote Originally Posted by speedball1 View Post
    Remove the "J" bend and install new rubber gaskets. Good luck, Tom
    I actually just replaced all of the plumbing and gaskets under the sink within in the last 4 months so all of those parts are still in almost new condition.
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #4

    Jul 28, 2009, 06:19 AM

    It is all about aligning the pipes correcltly. Also, make sure you the washer sits in correctly and is not pinched. Any imperfection in the washer will produce a leak, too. We usually hand tight - then give it 1/4 turn with channel locks.
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