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A running toilet that stops itself


Toilet not always flushing fully, what could be wrong?Huge Bubble When Toilet Flushes, Why?Toilet Still GurglingToilet Tank slow leak, have all new parts, tried all troubleshooting…help!Why is my toilet not flushing completely?Toilet leaking above couplerLow water level in the bowl of the toilet after flushingFixing a slowly leaking toilet tankToilet fill value hissing and dripping after it reaches the stopping level.Toilet weak flush. The water in the bowl swirls, but it didn't flush stuff into the pipe













2















I have a toilet that will start running as if the flapper is bad. (I’m confident it is not. I’ve replaced it twice.) It doesn’t drain much, just enough to trigger a fill every 20 - 30 minutes.



The strange thing is the tank only drains slightly and then stops. If I turn the water off it will only drain approximately 1/4 to 3/8’s of an inch and then stop draining completely. I can leave the water turned off for two weeks and it will never go below that level. I’m thinking if it were a bad seal it would drain completely after that time.



Is it a crack in the tank? I’ve just about had it and ready to replace the toilet. It’s approximately 20 years old.










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  • 2





    have a good look at every component at the water level where the draining stops ..... there may be a small hole that allows the water to drain from the tank ...... when the water drops below the hole, then the draining stops

    – jsotola
    10 hours ago






  • 2





    If the fill hose/tube (the hose/tube that runs from the fill valve to the overflow tube) is inserted into, rather than clipped above and aiming into, the overflow pipe, siphon action will lower the water level in the tank down to the distance the fill hose/tube is inserted. Ensure the fill hose/tube is not inside of the overflow pipe below the normal water level.

    – Jimmy Fix-it
    8 hours ago
















2















I have a toilet that will start running as if the flapper is bad. (I’m confident it is not. I’ve replaced it twice.) It doesn’t drain much, just enough to trigger a fill every 20 - 30 minutes.



The strange thing is the tank only drains slightly and then stops. If I turn the water off it will only drain approximately 1/4 to 3/8’s of an inch and then stop draining completely. I can leave the water turned off for two weeks and it will never go below that level. I’m thinking if it were a bad seal it would drain completely after that time.



Is it a crack in the tank? I’ve just about had it and ready to replace the toilet. It’s approximately 20 years old.










share|improve this question







New contributor




razorpit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
















  • 2





    have a good look at every component at the water level where the draining stops ..... there may be a small hole that allows the water to drain from the tank ...... when the water drops below the hole, then the draining stops

    – jsotola
    10 hours ago






  • 2





    If the fill hose/tube (the hose/tube that runs from the fill valve to the overflow tube) is inserted into, rather than clipped above and aiming into, the overflow pipe, siphon action will lower the water level in the tank down to the distance the fill hose/tube is inserted. Ensure the fill hose/tube is not inside of the overflow pipe below the normal water level.

    – Jimmy Fix-it
    8 hours ago














2












2








2








I have a toilet that will start running as if the flapper is bad. (I’m confident it is not. I’ve replaced it twice.) It doesn’t drain much, just enough to trigger a fill every 20 - 30 minutes.



The strange thing is the tank only drains slightly and then stops. If I turn the water off it will only drain approximately 1/4 to 3/8’s of an inch and then stop draining completely. I can leave the water turned off for two weeks and it will never go below that level. I’m thinking if it were a bad seal it would drain completely after that time.



Is it a crack in the tank? I’ve just about had it and ready to replace the toilet. It’s approximately 20 years old.










share|improve this question







New contributor




razorpit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












I have a toilet that will start running as if the flapper is bad. (I’m confident it is not. I’ve replaced it twice.) It doesn’t drain much, just enough to trigger a fill every 20 - 30 minutes.



The strange thing is the tank only drains slightly and then stops. If I turn the water off it will only drain approximately 1/4 to 3/8’s of an inch and then stop draining completely. I can leave the water turned off for two weeks and it will never go below that level. I’m thinking if it were a bad seal it would drain completely after that time.



Is it a crack in the tank? I’ve just about had it and ready to replace the toilet. It’s approximately 20 years old.







toilet






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New contributor




razorpit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question







New contributor




razorpit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question






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razorpit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked 10 hours ago









razorpitrazorpit

111




111




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razorpit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






razorpit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.








  • 2





    have a good look at every component at the water level where the draining stops ..... there may be a small hole that allows the water to drain from the tank ...... when the water drops below the hole, then the draining stops

    – jsotola
    10 hours ago






  • 2





    If the fill hose/tube (the hose/tube that runs from the fill valve to the overflow tube) is inserted into, rather than clipped above and aiming into, the overflow pipe, siphon action will lower the water level in the tank down to the distance the fill hose/tube is inserted. Ensure the fill hose/tube is not inside of the overflow pipe below the normal water level.

    – Jimmy Fix-it
    8 hours ago














  • 2





    have a good look at every component at the water level where the draining stops ..... there may be a small hole that allows the water to drain from the tank ...... when the water drops below the hole, then the draining stops

    – jsotola
    10 hours ago






  • 2





    If the fill hose/tube (the hose/tube that runs from the fill valve to the overflow tube) is inserted into, rather than clipped above and aiming into, the overflow pipe, siphon action will lower the water level in the tank down to the distance the fill hose/tube is inserted. Ensure the fill hose/tube is not inside of the overflow pipe below the normal water level.

    – Jimmy Fix-it
    8 hours ago








2




2





have a good look at every component at the water level where the draining stops ..... there may be a small hole that allows the water to drain from the tank ...... when the water drops below the hole, then the draining stops

– jsotola
10 hours ago





have a good look at every component at the water level where the draining stops ..... there may be a small hole that allows the water to drain from the tank ...... when the water drops below the hole, then the draining stops

– jsotola
10 hours ago




2




2





If the fill hose/tube (the hose/tube that runs from the fill valve to the overflow tube) is inserted into, rather than clipped above and aiming into, the overflow pipe, siphon action will lower the water level in the tank down to the distance the fill hose/tube is inserted. Ensure the fill hose/tube is not inside of the overflow pipe below the normal water level.

– Jimmy Fix-it
8 hours ago





If the fill hose/tube (the hose/tube that runs from the fill valve to the overflow tube) is inserted into, rather than clipped above and aiming into, the overflow pipe, siphon action will lower the water level in the tank down to the distance the fill hose/tube is inserted. Ensure the fill hose/tube is not inside of the overflow pipe below the normal water level.

– Jimmy Fix-it
8 hours ago










3 Answers
3






active

oldest

votes


















4














Maybe there is a small crack or leak near the top of the toilet tank overflow tube. See diagram below at red arrow.



enter image description here



(Picture Source: https://titanzplumbing.com/does-your-toilet-randomly-start-running/)






share|improve this answer































    4














    Clearly the flapper - and just as importantly, the bottom of the tank where the flapper sits - is just fine. Otherwise you would have the toilet eventually empty when the incoming water is turned off.



    You have some sort of problem with the fill valve and/or the overflow pipe. This (a) deliberately feeds some water normally into the toilet after the flapper has closed and (b) if the fill valve were to fail open (not a good thing as it would waste a lot of water very quickly), it would let the water drain down the sewer instead of overlowing the tank onto your bathroom flower.



    A 20 year old toilet is old enough that the fill valve and other parts can start to fail. But new enough that standard replacements should work just fine (as opposed to 40 year-old 3.5 gallon toilets). There are plenty of choices (Fluidmaster, Danco, etc.) and the whole kit runs typically $10 to $25 - a lot less than a new toilet. I would avoid the old ball float styles - even if your existing toilet uses one there is no reason to stick with that - the new types are, in my opinion, much better.






    share|improve this answer
























    • I read "bathroom flower", can you changes that part to "bathroom floor" (change too small to suggest edit)

      – Ferrybig
      1 min ago



















    2














    You probably have a crack in the overflow, the little tube that terminates just above the water line.



    You may have to deform it a little by squeezing it for it to become apparent.






    share|improve this answer























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      3 Answers
      3






      active

      oldest

      votes








      3 Answers
      3






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      4














      Maybe there is a small crack or leak near the top of the toilet tank overflow tube. See diagram below at red arrow.



      enter image description here



      (Picture Source: https://titanzplumbing.com/does-your-toilet-randomly-start-running/)






      share|improve this answer




























        4














        Maybe there is a small crack or leak near the top of the toilet tank overflow tube. See diagram below at red arrow.



        enter image description here



        (Picture Source: https://titanzplumbing.com/does-your-toilet-randomly-start-running/)






        share|improve this answer


























          4












          4








          4







          Maybe there is a small crack or leak near the top of the toilet tank overflow tube. See diagram below at red arrow.



          enter image description here



          (Picture Source: https://titanzplumbing.com/does-your-toilet-randomly-start-running/)






          share|improve this answer













          Maybe there is a small crack or leak near the top of the toilet tank overflow tube. See diagram below at red arrow.



          enter image description here



          (Picture Source: https://titanzplumbing.com/does-your-toilet-randomly-start-running/)







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 10 hours ago









          Michael KarasMichael Karas

          44.5k53484




          44.5k53484

























              4














              Clearly the flapper - and just as importantly, the bottom of the tank where the flapper sits - is just fine. Otherwise you would have the toilet eventually empty when the incoming water is turned off.



              You have some sort of problem with the fill valve and/or the overflow pipe. This (a) deliberately feeds some water normally into the toilet after the flapper has closed and (b) if the fill valve were to fail open (not a good thing as it would waste a lot of water very quickly), it would let the water drain down the sewer instead of overlowing the tank onto your bathroom flower.



              A 20 year old toilet is old enough that the fill valve and other parts can start to fail. But new enough that standard replacements should work just fine (as opposed to 40 year-old 3.5 gallon toilets). There are plenty of choices (Fluidmaster, Danco, etc.) and the whole kit runs typically $10 to $25 - a lot less than a new toilet. I would avoid the old ball float styles - even if your existing toilet uses one there is no reason to stick with that - the new types are, in my opinion, much better.






              share|improve this answer
























              • I read "bathroom flower", can you changes that part to "bathroom floor" (change too small to suggest edit)

                – Ferrybig
                1 min ago
















              4














              Clearly the flapper - and just as importantly, the bottom of the tank where the flapper sits - is just fine. Otherwise you would have the toilet eventually empty when the incoming water is turned off.



              You have some sort of problem with the fill valve and/or the overflow pipe. This (a) deliberately feeds some water normally into the toilet after the flapper has closed and (b) if the fill valve were to fail open (not a good thing as it would waste a lot of water very quickly), it would let the water drain down the sewer instead of overlowing the tank onto your bathroom flower.



              A 20 year old toilet is old enough that the fill valve and other parts can start to fail. But new enough that standard replacements should work just fine (as opposed to 40 year-old 3.5 gallon toilets). There are plenty of choices (Fluidmaster, Danco, etc.) and the whole kit runs typically $10 to $25 - a lot less than a new toilet. I would avoid the old ball float styles - even if your existing toilet uses one there is no reason to stick with that - the new types are, in my opinion, much better.






              share|improve this answer
























              • I read "bathroom flower", can you changes that part to "bathroom floor" (change too small to suggest edit)

                – Ferrybig
                1 min ago














              4












              4








              4







              Clearly the flapper - and just as importantly, the bottom of the tank where the flapper sits - is just fine. Otherwise you would have the toilet eventually empty when the incoming water is turned off.



              You have some sort of problem with the fill valve and/or the overflow pipe. This (a) deliberately feeds some water normally into the toilet after the flapper has closed and (b) if the fill valve were to fail open (not a good thing as it would waste a lot of water very quickly), it would let the water drain down the sewer instead of overlowing the tank onto your bathroom flower.



              A 20 year old toilet is old enough that the fill valve and other parts can start to fail. But new enough that standard replacements should work just fine (as opposed to 40 year-old 3.5 gallon toilets). There are plenty of choices (Fluidmaster, Danco, etc.) and the whole kit runs typically $10 to $25 - a lot less than a new toilet. I would avoid the old ball float styles - even if your existing toilet uses one there is no reason to stick with that - the new types are, in my opinion, much better.






              share|improve this answer













              Clearly the flapper - and just as importantly, the bottom of the tank where the flapper sits - is just fine. Otherwise you would have the toilet eventually empty when the incoming water is turned off.



              You have some sort of problem with the fill valve and/or the overflow pipe. This (a) deliberately feeds some water normally into the toilet after the flapper has closed and (b) if the fill valve were to fail open (not a good thing as it would waste a lot of water very quickly), it would let the water drain down the sewer instead of overlowing the tank onto your bathroom flower.



              A 20 year old toilet is old enough that the fill valve and other parts can start to fail. But new enough that standard replacements should work just fine (as opposed to 40 year-old 3.5 gallon toilets). There are plenty of choices (Fluidmaster, Danco, etc.) and the whole kit runs typically $10 to $25 - a lot less than a new toilet. I would avoid the old ball float styles - even if your existing toilet uses one there is no reason to stick with that - the new types are, in my opinion, much better.







              share|improve this answer












              share|improve this answer



              share|improve this answer










              answered 10 hours ago









              manassehkatzmanassehkatz

              9,2721335




              9,2721335













              • I read "bathroom flower", can you changes that part to "bathroom floor" (change too small to suggest edit)

                – Ferrybig
                1 min ago



















              • I read "bathroom flower", can you changes that part to "bathroom floor" (change too small to suggest edit)

                – Ferrybig
                1 min ago

















              I read "bathroom flower", can you changes that part to "bathroom floor" (change too small to suggest edit)

              – Ferrybig
              1 min ago





              I read "bathroom flower", can you changes that part to "bathroom floor" (change too small to suggest edit)

              – Ferrybig
              1 min ago











              2














              You probably have a crack in the overflow, the little tube that terminates just above the water line.



              You may have to deform it a little by squeezing it for it to become apparent.






              share|improve this answer




























                2














                You probably have a crack in the overflow, the little tube that terminates just above the water line.



                You may have to deform it a little by squeezing it for it to become apparent.






                share|improve this answer


























                  2












                  2








                  2







                  You probably have a crack in the overflow, the little tube that terminates just above the water line.



                  You may have to deform it a little by squeezing it for it to become apparent.






                  share|improve this answer













                  You probably have a crack in the overflow, the little tube that terminates just above the water line.



                  You may have to deform it a little by squeezing it for it to become apparent.







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered 10 hours ago









                  Joe FalaJoe Fala

                  2,531120




                  2,531120






















                      razorpit is a new contributor. Be nice, and check out our Code of Conduct.










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