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Question DetailsAsked on 8/2/2014

What does it mean when the water in the toilet runs and it has not been flushed?

The water in the toilet will make a flshing sound and then stop.

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Voted Best Answer

By flushing sound is it just the sound made when the tank is being filled or actually the one made when the bowl is emptying.

If it is the sound of water running chances are your fill valve is getting lazy or if the old with a float on a rod the rod needs to be bent down a bit (still a sign the valve is getting old). The rubber seals get harder with age and will need more pressure to make a seal and when your water pressure changes it can surge past a closed valve. This can happen when the well pump kicks on or in a municipal water supply there is a surge in pressure due to water demands.

Lift the lid off the tank and see how high the water line is in relation to the overflow tube. If it is right at the top it is too high, you should be able to see a fill line mark on the back of the tank and the water level shoud be close to that. If the old rod and float some have a screw to adjust them and others you can just bend the rod dowm a bit. More often than not the screw on older toilets is so corroded the bending method is best.

If all seems good with the water level it could be the flapper valve is leaking. It could be just dirt on the sealing surface or the rubber is dried out. You could lift the flapper up and try wiping it of with a coarse cloth on both side (a bit of a hard thing to get to). You can check this if your water supply valve still works by either shutting it off and watching for the water level to drop or shutting it off and adding some food coloring to the tank and seeing if it is leaking into the bowl.

None of these repairs are that hard if you are handy and have a few tools as long as the shut off still works. Most hardware stores and the Big Box stores carry rebuild kits from Fluidmaster that fit most brands and have everything needed from flapper to fill valve. They also sell individual parts but I think for the few dollars (less than $30) the full kit is the way to go.

Hope this answers your question and if not reply using the answer question box below.


Answered 6 years ago by ContractorDon

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