5 reasons why your toilet creates a loud vibrating noise when flushed

I know you need an alarm clock to wake up in the morning. But I’m sure that you don’t want to wake up to the sound of the toilet. It’s disturbing when you use the toilet at midnight. But if you are an amateur in this field, you can’t find the reason behind it. And that’s why you are unable to fix this. When you face this loud vibrating toilet issue but don’t know how to get rid of it, I think this article will help you with every possible detail.

Does loud toilet flushing sound normal?

Yes. When you use the toilet and press flush, it creates a sound after about 30 seconds. But this is a very gentle sound like “hum,” and there is no revibrating you notice. But if you hear a noise in the pipe attached to the wall or on the floor and it’s vibrating more than a flushing toilet, then there is something wrong with the internal system in your bathroom. You can efficiently deal with it by calling a plumber. But if you don’t want to call a professional, you can do it yourself. But first, you must find where the problem occurs, and then you can solve this. 

Faulty Fill Valve
  • Install a New Fill Valve
Loose Pipe Connection
  • Check The Plumbing System
  • Wooden Framing With Pipe Clips
High Water Pressure
  • Keep Water Pressure Under 60 PSI
Water Hammer Effect
  • Replace Toilet Fill Valves
  • Replace Toilet Flapper
Dirty Flapper/Float Valve
  • Clean The Toilet Regularly
  • Replace The Old Flapper/Float Thing

Loud vibrating sound after flushing the toilet: how to solve this issue?

Before jumping to the solution to the issue, you must know why this problem is happening. And it would help if you also examined the wall or floor attached pipeline. Then you must notice the sound coming from the toilet, or did it go after you shut off the faucet? So after you get all those answers, I think you can easily find where the problem happens. And then you can quickly solve this. So let us discuss why you are facing this issue and how you have overcome this.

  • Check-toilet-valveFaulty toilet valve:

People face this type of sound situation for the toilet fill valve. The vibrating sound comes from the wall side pipe when you use flush with the toilet fill valve. You face this issue when it’s a diaphragm gasket most of the time. The small part of the valve, when worn out from its original place, becomes easily stiff and less flexible. After using the flush, it tries to shut off but bounces back up and down continuously. That time you hear the vibrating.

Solution: the best part of this issue is that you can find it very quickly and solve this without taking help from anyone. Just take off the lid over the toilet’s water tank, then flush it to confirm whether the problem is related to the valve or not. When you confirm this, you need to replace this. There is no repair scope for this valve issue. And you need to buy a valve from the market and install it in the water tank.

  • Loose-pipe-connectionLoose pipe connection:

Sometimes, the toilet is not the culprit for making this sound. The drainage system pipe is also another reason for this kind of issue. If there is any loose pipe in the wall, it vibrates every time you flush the toilet. 

Solution: fixing the loose pipe is an effortless task. You need to set the line with the wall with the help of wooden farming and pipe clips. But if you notice another issue, you can call the plumber to check the problem and solve this.

  • High water pressure:

Static water pressure is needed for a successful flush. For the house, it’s not more than 60psi. High pressure of water not only creates sound but sometimes also damages your whole drainage system because of vibrating. So you must check this to save the drainage system.

Solution: you must measure the pressure of the water supply in the tank. If it goes higher than 80 psi, you need to call the plumber to lower the water pressure in the toilet tank. 

  • Water hammer effect:

When you hear vibration from the wall, it’s called the “water hammer” effect. So when you notice this effect, the pipe in the wall hits against the tank valve because of water, shutting very quickly or like a hummer. This is a widespread situation for toilet fill valves and faucets. So you don’t need to worry about this.water hammer sound

Solution: there are many ways you can use to fix this hammer issue. The easiest way is to replace the toilet fill valves that are slower and hard to close. And this valve also seals the water in the tank. Another way is you can call a plumber and attach a water hammer arrestor to your pipeline. But for this, the plumber needs to cut the wall to connect this to the pipe under it. The pacing valve is the easiest way, and you don’t need to break your home.

  • Other issues:  

The reason we discussed above is the main issue of vibrating in the toilet. But some other reasons may have caused this kind of issue. If you hear the vibration randomly, not regularly, the problem is associated with the toilet’s flapper. Sometimes dirty flapper is also done with this type of problem. And sometimes, you also notice some whistling instead of vibration. This happens if there is an issue with the float valve. 

Solution: for these various issues, one solution is a must, and that is to clean your toilet regularly. This happens when your toilet’s internal system gets dirty after not washing it for a long time. So if you tend the flapper or float valve, you can solve this. If the sound is still there, you can replace the old flapper or float thing. After doing this, I think you can quickly fix the issue without taking help from others.

Why do you need to worry about the extra sound of the toilet?

You must think the vibration of the toilet is a silly issue and don’t solve this. Then I must say creating vibration in the bathroom means an internal problem is happening there. If you don’t fix this, it can affect your whole bathroom and drainage system. If it happens, you need to change the entire system of the toilet and install a new one, which is expensive and time-consuming. You need to pay the plumber for it. So I think solving this type of issue in advance can help you from future disasters and save some money. So kick off your laziness and call a plumber if you get confused.

Bottom Line

Most of the time, many people don’t think this is a severe issue. A loud sound in the toilet is not only disgusting but also bothersome. If your family member uses it at midnight, then this vibration can quickly wake you from sleep if you ignore the sound. So my suggestion is to not ignore this issue and fix it as soon as possible. Otherwise, it can create a big problem later, and if it is widespread, you will need to change the whole toilet system, which will cost you more money.

We are really lucky to have a hard-working, multi-skilled plumber on our team. Collin D. Gallegos, a professional plumber who has worked with us since 2012, is an expert in vent, septic, and drainage systems. He is a Certified Master Plumber and has worked on various commercial plumbing projects. He usually helps our readers resolve plumbing and pipe-related issues with a proper DIY troubleshooting and repair guide.

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