There are three main reasons why your toilet shut-off valve may not be closing: It’s stuck because it’s old and covered with dirt. It’s turning only partially because it’s rusty. The valve is leaking because it’s broken or damaged.

How do you fix water valve that won’t shut off?


Quote from Youtube video: You want to put your wrench. On this nut and turn it counterclockwise to remove the entire stem from the body of the valve. Place a bucket under the valve. And then turn this nut counterclockwise.

What to do if toilet valve won’t shut off?





Quote from the video:
Quote from Youtube video: And what you were gonna do here is you're gonna spray a bit of wd-40. But not all over the valve. All you need to do is spray this on the joint. Between the valve stem and the body.

Why can’t I shut off the water to my toilet?

Quote from the video:
Quote from Youtube video: So what we're going to do is take this hanger just the standard wire. One i'll take my handy dandy needle nose and that has a wire cutter on it. I'm going to cut roughly. About a foot this little

Why is my toilet still running with the water off?

Adjust the Fill Height by Checking the Float



The water level in the tank is controlled by an adjustable float. A float that’s set too low produces a weak flush; if it’s set too high, water spills into the toilet overflow tube and the fill valve won’t shut off. The toilet keeps running.

Can a shut-off valve fail?

Common Valve Failures



As time takes its toll on these trusted devices, they can become prone to failure. The most common failure found in an old shut-off valve is seizing. This means that you may be unable to turn it off by hand, which is a very, important function.

How do you fix a toilet fill valve that keeps running?





Quote from the video:
Quote from Youtube video: Clean out any debris that is inside of the float. Clean the rubber pad on the float. If this isn't mating properly with the top of the valve.

How do I turn off the water supply to my toilet?

To turn off the water supply to a toilet, simply close the toilet’s shutoff valve, which looks like a football-shaped valve located beneath the tank. Turn the valve clockwise until it can’t turn anymore, then flush your toilet.

How do I stop my toilet bowl from trickling?

If the toilet still leaks after resetting the water level in the tank and replacing the flapper, the tank may have a hairline crack that is allowing water to drain into the bowl or onto the floor. The only solution is to replace the tank or the entire toilet. Replace your float if it’s cracked and filling with water.

Why is water trickling into the toilet bowl?

1: Water Trickling Into the Bowl (Phantom Flushes)



This problem is almost certainly caused by a bad flapper or flapper seat. The solution is to drain the tank and bowl, check and clean the flapper seat and then replace the flapper if it’s worn or damaged.

Why won’t my toilet cistern stop filling?



If your cistern is constantly filling the most common problem is a faulty float valve or a poorly adjusted float arm. This is both noisy and wasteful. There are three valves that can break in the toilet cistern, the float valve, diaphragm valve and flap valve.