My toilet tank keeps running

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My toilet tank keeps refilling. I already changed the flapper. There is no leak onto to the floor. Just running out of ideas on what should be my next move


  11 answers
  • KattywhampusLOL KattywhampusLOL on Sep 18, 2017
    Karen Treche :) Hello .... I found this article from Family Handyman with a video there to tell you how to check for the problem and what to do about it:
    I sure do hope this will help you. Thanks for using HOMETALK for answers :)
  • D D on Sep 18, 2017
    make sure the float is at the right height to cut off water when filled
  • Sandra Lee Sandra Lee on Sep 18, 2017
    It may be the seal on the bottom of the tank.

  • Lori Lori on Sep 18, 2017
    adjust the float

  • B. Enne B. Enne on Sep 18, 2017
    In my case, when it wasn't the flapper it was the fill valve.
    • See 1 previous
    • B. Enne B. Enne on Sep 18, 2017
      You're welcome. If your toilet is more than 5 years old, it is quite possible that's the problem. I've changed them on 2 toilets, not too difficult. BTW, I found it easier to reuse the "shank" that was still on the toilet rather, than drain the tank...FYI just in case yours will fit with the new valve.
      I also had everything go to black goo after putting bleach in the tank, and also another time when using tank tablets...Stay away from both.
  • Kenmac Kenmac on Sep 18, 2017
    Check to make sure the water cut off valve is set to cut off the water flow a little before the water height starts pouring back into the tube. Also, it the water is still flowing into the bowl, (you'll see water movement in the bowl after it fills) you may need to adjust the flapper a little up , down , or make sure it is sealing as it should.
  • Karen Treche Karen Treche on Sep 18, 2017
    Thanks so much for taking time to answer my question. I was thinking that was my last option before replacing the whole toilet! Thanks again!
  • Karen Treche Karen Treche on Sep 18, 2017
    Thanks for taking the time to answer my question. May you know the answer to this. Is there supposed to be a seal the flapper sits on or just rest on the hole in the bowl? Thanks again
  • Keylebirnberg Keylebirnberg on Sep 18, 2017
    I USUALLY FILL A FEW EMPTY BOTTLES AND PUT THEM INSIDE TO TAKE SOME OF THE WATER VOLUME AWAY.
  • Eye28923158 Eye28923158 on Sep 18, 2017
    It's supposed to sit on a seat which is sealed to the hole. See attached picture.
  • Eye28923158 Eye28923158 on Sep 18, 2017
    Try to make sure that the chain is just right so that when you pull the handle it will lift the flapper right away. My toilet leaks on and off after replacing the flapper. I couldn't figure out until I adjusted my chain.