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Why Is There A Vibrating Sound In My Walls When I Flush My Toilet

Techcool | Last Updated: January 4, 2021

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A toilet is one of the essential parts of a home, and just like your living room, dining room, and bedroom, you want it to be in a perfect condition all the time.

One of the common problems homeowners encounter in their toilet is hearing unusual or vibrating sounds in the walls during or after flushing. Well, this is quite alarming, especially if there are already loud rattles or thuds.

If you are experiencing this problem right now, this is the good news for you! Did you know that toilets are stapled appliances, which is easy to diagnose even by you as a DIYer?

Likewise, you do not need to spend so much money on labor or parts that need to be replaced.

Fixing a toilet only requires cheap and easy to install pieces. But, before anything else, you must find the vibration where it is coming from so you know what you need to do.

Diagnose the Problem

The first step to solve the problem with your toilet is to note what is happening when you hear vibrations in the walls. You might want to ask questions like, “Where is the sound coming from? Is it from the toilet only? Or it also comes when turning the faucet on?”

Figuring out the answers to these questions is essential to narrow down the source of the noise, which will help solve the problem. Typically, there are two main reasons why there are vibrations when flushing.

First, is because of your toilet’s fill valve, and second is an issue in the plumbing behind walls.

The Toilet’s Fill Valve

One most common and popular reason behind these vibrating sounds in the walls when flushing is because of the toilet’s fill valve issue. But what is the problem with its valve then?

The fill valve has a small diaphragm gasket, which plays a significant role. There are times wherein this gasket wears out, becomes less flexible and stiff- this is where the problem occurs.

When the gasket tries to shut itself off, it bounces up and down, resulting in vibrations that you hear.

The good thing is, you can check it yourself. You might want to take off the toilet’s tank lid first, and lift the fill valve float arm carefully.

If there are no vibrations, you are sure that the fill valve is the problem and you must replace it.

A Loose Pipe

If you are sure that there are no problems with the fill valve, you might want to check your plumbing system. Check for loose pipes behind your wall because this could be the primary source of the vibration.

The only thing you need to do is to secure it using pipe clips with the wooden framing.

If you can do it yourself, it will be an easy job; however, you might want to call a professional plumber to assist you if you are not comfortable doing it.

The Water Hammer Effect

Are you familiar with the water hammer effect? Sometimes, the vibrations are caused by this water hammer effect.

It happens when the water in your pipes is hitting against the valve that is hammering or shutting off too quickly. Water hammer effect mostly happens with faucets and toilet fill valves.

You can fix this problem through different ways like:

Hire a professional plumber so they can attach a water hammer arrestor to the pipes. However, this will take a process because they need to cut your walls.

Replace toilet fill valves with fill valves that close slowly. These valves are known as slow-shutting fill valves.

High Water Pressure

The average water pressure for a house should not exceed 60psi. This is because high water pressure can affect almost all your plumbing fixtures, resulting in vibrations.

In this case, you might want to attach water pressure gauges to a hose bib and read the number result. If it goes 80 and higher, then you found the problem.

Random Vibrations

If you hear random vibrations even without flushing the toilet, then the issue may lie on your toilet’s flapper. Usually, when the flapper wears out, water can leak in your toilet’s bowl, while there are also slow leaks happening in your tank.

Now, when the tank refills, there comes and creates vibrating noise. But what makes your toilet flappers wear out quickly? This happens when you keep on using chemicals when cleaning your toilet.

Call Techcool a Professional Plumber for Help!

If you have tried and gave your best to figure out and solve the vibrating noise on your own, but cannot seem to fix it, then you might want to call for professional assistance.

Reach out for a licensed and professional plumber, especially when you experience the following:

  • Water damage can be seen around the fixtures or pipes.
  • You do not have the right tools and skills to repair or install the necessary parts.
  • There are problems with the sewer line.
  • Water arrestor has no effect even after installing it.

Strange vibrations and noises are not a good thing if you want your house to keep maintained. Using the information mentioned above, figuring out the vibrations in your walls can now be easy.

Techcool provide high-quality Plumbing services in North Las Vegas, Las Vegas and Henderson.

Call us on (702) 915-7624 today!

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