How To Fix A Whistling Toilet 2022 [Why Flush Making Noise]

How To Fix A Whistling Toilet

As everyone knows, toilets are necessary for every house, but what happens if it creates noise in the middle of the night. Unfortunately, It is annoying for everyone to listen to the extra voice of the toilet except for the sound of refilling the water tank or wastewater leaving the bowl.

The toilet whistling happens due to the blockage of water flow from the fill valve. It means If any debris gets stuck in the flow of water, It causes whistling problems. But you don’t need to worry as we provide the tested and verified solution to this problem.

How To Fix A Whistling Toilet

Now, there are two solutions for it, one for the short term and the other for the long term. In the short-term solution, you have to clean the fill valve by flushing out the debris from it, and your toilet stops whistling. But the best and long-term solution is to replace the fill valve with a new one.

What is Fill Valve

A fill valve is a type of upside-down lid that works to refill the water tank after the toilet is flushed. It is often located on the left side of the water tank. It is connected between the bottom water supply hose and a toilet float.

It is somehow a very organic process that when you flush the toilet, toilet float comes to the bottom end of the tank. It lifts with the refilling of water to the adjusted point and shuts off the fill valve.

What Problem do You Face with Whistling Toilet

First of all, let us be clear that It does not harm your toilet. But It is annoying at the same time that it makes you uncomfortable in your house. Rather it creates a problem in flushing the toilet and spreads a bad smell in your living room if your toilet is just near your room. So, It’s better to replace the old fill valve with a new one for better toilet flushing.

Read Also: Best Height Comfort Quietest Toilets

Reason For Whistling Toilet

As we mentioned earlier, the blockage of water due to the debris in the fill valve causes a whistle in the toilet. This valve consists of a ball and armature. When the toilet tank refills the water, these valves vibrate, creating noise.

How To Fix Whistling Toilet

Changing the fill valve is the best and cheapest option that you can use for a long time solution. But if you are not ready to replace. You can easily fix it by applying the following steps.

Clean The Gasket

The whistling toilet is always caused due to the running water to get access to the inside of the water tank.

  • First of all, lift the toilet lid straight up and place it in a safe place.
  • Hold the lever down, so all water from the tank is removed.
  • Drains the water inside the water tank
  • Remove the cap from the top of the fill valve by rotating them counterclockwise. You will see gaskets there.
  • Remove the gaskets and make sure that it is properly cleaned.
  • Now, It’s time to check the condition of the gaskets. If it is in good condition, clean it. Otherwise, you have to replace it with a new one.
  • Reattach the fill valve cap again and place the toilet lid again.
  • Now flush the water 3 to 4 times to check if the whistling is stopped or not.

Replace The Toilet Fill Valve

In other cases, if the gaskets/seal is damaged, the only solution is to replace the fill valve. Here we guide you on how you can replace the toilet fill valve without any plumber.

  • First, turn off the toilet shut-off valve, remove all water from the water tank and soak it as much as possible.
  • We suggest using a soft cloth or sponge to soak the remaining bottom water.
  • Drain the water from the hose and remove it with the help of bare hands by rotating it counterclockwise. If it connects too tight, you can use the wrench to disconnect it.
  • Now, disconnect the nut from the fill valve so that you can remove the fill valve.
  • Adjust the height of the fill valve. It is better to keep it 3 inches high from the top area of the overflow tube.
  • Once you have adjusted the fill valve, tighten its nut to fix it.
  • Reattach the water supply hose to the fill valve and the fill valve refill tube to the overflow tube. These steps are necessary for a smooth and accurate connection of the water supply in the toilet.
  • Now, turn on the toilet shut-off valve and check the whistling noise by flushing several times.
  • Place the lid again.

This is a complete step-by-step process of how to replace the fill valve to fix the whistling toilet. Worth Reading.

Frequently Asked Questions

How do I make my toilet stop whistling?

Remove all the debris from the seal/gaskets of the fill valve and flush the toilet to check the whistling. If it is still whistling, change the fill valve, and you will get rid of this hectic problem.

What is the reason for my toilet whistling?

It is just because of the faulty fill valve. If you clean the fill valve, your toilet will not whistle.

What happens if the fill valve cannot be repaired?

Suppose the fill valve is damaged and does not work properly. You have to replace the fill valve with a new one. We have discussed how you can replace it correctly.

Wrapping out

Well, we have provided the solution to your faulty and noisy fill valve. You don’t need to wait for a long time for a plumber to fix the toilet whistling. You can do it on your own just by following the above steps. We suggest never overstepping the process and letting it complete with patience. You can ask anytime in the comment box if you feel any uncertainty. Our expert team will provide the solution. Never forget to share it with your friends or family. You can also read most quietest toilets.

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