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Thread: I Hear Dripping Behind Wall

  1. #1
    DIY Junior Member fsoprano's Avatar
    Join Date
    Sep 2011

    Default I Hear Dripping Behind Wall

    I can distinctly hear dripping coming from my half bathroom. It sounds like it's coming from behind the wall in back of the toilet. The opposite wall has the washer behind it but it sounds like it's the toilet wall. I have checked the toilet for bubbles and leak noises thoroughly and cannot see or hear any leaks coming from the toilet. Any ideas before I make a hole in the wall? Thanks!

  2. #2
    DIY Senior Member BobL43's Avatar
    Join Date
    Mar 2011
    Long Island, NY


    Do you have a central AC system where the installer ran the condensate water line to the main drain line stack vent?
    I am definitely not a pro plumber, but I am a pro crastinator

  3. #3
    Homeowner geniescience's Avatar
    Join Date
    Nov 2005
    humid summers hot, humid winters cold


    spend time to diagnose this before opening the wall. More water, less water. Hot hot water, cold water. Etc. If there is more noise when the pipes get hot, it could be a snap noise caused by expansion and rubbing, and therefore not a drip.

  4. #4
    DIY Junior Member pdhawthorne's Avatar
    Join Date
    Sep 2011
    rockville, va


    cut the wall where the water line comes out for the toilet if that is where you hear it, it could the the threaded piece that is leaking, just cut it big enough to see in, if it is that then turn all water off to the house and cut wall bigger to replace bad section

    water leak

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