Toilet making hissing noise 

Toilet making hissing noise. Incorrect Water Pressure: Excessive water pressure can overwhelm the fill valve, causing it to hiss as it struggles to control the water flow. All you need is a plastic cup and maybe a screwdriver to get the job done. Here is how to do so: First, you must flush the toilet bowl to empty the tank. Also, check the chain to see if it is damaged. See the photos to see the water level difference. 6 days ago · How to Fix a Hissing Kohler Toilet. A high-pitched whistling sound can be caused by a worn-out flapper valve. Over Sounds like dirt or buildup on diaphragm on fill valve, if it is in fact that then it's a quick and easy fix. Toilet disturbances such as foghorn, hissing, gurgling, or banging noises often point to fill valve issues. 5. This is most likely due to a worn out flapper, but could also be caused by a stuck chain or float (either a ballcock or float valve. Running All the Time: A toilet tank that runs constantly could mean that there is a problem with the float. It’s what holds the fill valve in place. This is another problem caused by the fill valve but isn’t directly a pressure issue. Make sure to turn off the valve. To diagnose, turn off the water supply, remove the tank lid, and inspect the fill valve assembly for any debris or blockages preventing it Apr 12, 2020 · Watch at proclaimliberty2000 how to fix noisy toilet problems once and for all. This article on toilet making noise defines simple solutions for: 1. Watch my video! I show you how to temporarily stop the noise and t Aug 24, 2023 · Leaking Fill Valve. Alternatively, change the entire inlet valve and save yourself a headache looking for old parts. Apr 22, 2024 · A hissing sound from your toilet’s fill valve might mean the valve is not fully open, restricting water flow and causing noise. If this doesn’t solve your problem, call a plumbing professional. A simple solution to a hissing or gurgling sound is to replace the worn washer. Mar 8, 2021 · Thankfully, this process is a quick one; about 15 minutes in total. This valve controls the flow of water into the tank. To stop your toilet from making noise when not in use, ensure that the valve isn't preventing the tank from filling up all the way. Adjusting the Water Level. Noisy toilet tanks are commonly due to issues with the fill valve, flush valve, refill tube, or water supply line. If it’s damaged, replace it with a new one. When damaged, it can cause a leak, creating the hissing noise. Install a Water Hammer Arrester. The float is designed to rise and fall with the water level in the tank. One of two things could be happening with a persistent hissing sound: the fill valve’s seal is worn or corroded If the fill valve is what’s causing the whistling toilet, your first option is to clean it. After I flush it, the noise goes away for a bit, but comes back. Mar 11, 2022 · Put back the fill valve cap by turning it in the opposite direction as before. May 28, 2019 · But knowing when a toilet noise warrants a call to the plumber can be frustrating and stressful. Remove the toilet tank lid and place it away in a safe place. com Learn the possible causes and solutions for the hissing sound in your toilet after flushing. The Fix: Adjust the Fill Valve Float. Vibrating sound: If your toilet makes a vibrating sound during flushing, the fill valve’s diaphragm gasket might be the culprit. I don't see anything wrong with the way it's plumbed, except that there are more simplified ways to do what he did. Repeat this for at least 30 minutes until you remove the residue. To check for sediment buildup, you can: Turn off the power supply to the water heater. Find out how to fix the flapper, the flapper chain, the float, the fill valve, and the inlet valve. If installed correctly, the new fill valve should operate quietly and stop the whistling. Here, we break down some common toilet noises to help you diagnose any plumbing issues you may be having. They emailed instructions (same as you have on the site) for cleaning the fill valve. You can also rent a sewer snake and try to clear the problem yourself. The seal in the toilet fill valve might be corroded or deteriorated. Replace the Fill Valve. When the toilet seat is broken, it can allow air to escape from the toilet tank, creating a hissing sound. I’m not handy - a Mar 30, 2024 · If when you flush the toilet, you hear a gurgling sound, it may be from a partially clogged drain. $15 part and 30 minutes of your life. Company: SAMODRA. Either way, the valve isn't closing properly, and the toilet may be leaking. I notice that the water line in the tank goes down slightly and that is when I hear the hissing. A hissing toilet is not at all uncommon and is usually an indication that water is leaking from the tank into the toilet bowl. Jul 21, 2013 · Getty. To regulate the pressure, you'll want to locate the valve that reduces the pressure. The fill valve is responsible for regulating the flow of water into the tank. A toilet flapper holds the water in the tank until it is flushed. Jul 9, 2023 · Another quick and easy band-aid fix is to manually lower your water pressure. Specific noises let you know A hissing sound is normal when any toilet is flushed. Depending on which part of the toilet is causing the hissing, the toilet might be wasting water, too. Thanks for wa Mar 8, 2021 · Thankfully, this process is a quick one; about 15 minutes in total. If the hissing sound continues longer than it should, however, it might indicate an issue with the toilet’s fill valve. 1. Bubbling or Running Water. A hissing sound during filling often indicates a faulty fill valve. To prevent the hissing sound in your toilet and ensure optimal water level, there are a few key points to consider. fluidmaster. If the hissing occurs directly after a flush, it usually means that excess water or air is moving through the water line and into the tank. Hello my toilet makes hissing sound and I see water flowing into the actual bowl. Gurgling or bubbling is a noise that can be difficult to get to the bottom of. These sounds are primarily associated with air or water movement. Oct 22, 2023 · Over time, minerals and debris can accumulate at the bottom of the tank, causing the water to boil and create a hissing sound. A float basically switches off the flow of water as the tank empties. This leak creates a hissing sound. This leak can occur due to worn-out seals, damaged diaphragms, or faulty inlet valves. Remove the float ball and upper part of the fill valve from the tank. Apr 16, 2020 · This video will guide you through the process of repairing a new style toilet that makes a hissing sound, which is an indication that water is continuously r Feb 5, 2015 · https://www. GHOST FLUSHING: This can happen intermittently, cycling every few minutes or every few hours. | Jan 11, 2024 · A broken toilet seat can also cause a hissing sound. Was intermittent last week and is now with every flush. Dec 1, 2015 · Toto toilet started making bursts of hissing air noise when flushing. My toilet is making a slight hissing noise. Flush the toilet to drain the water from it, then open Aug 17, 2019 · (Replacement caps are no longer available at Home Depot and I've included updated links where they can be purchased) I'm a Calgary realtor (https://www. Dec 6, 2021 · As your toilet tank fills, the fill valve stops it from overfilling. Turn on the water supply and check for leaks. This should help to release the air bubbles. This can happen any time the water is on and may happen after a new installation, a few days later or even months and years after installation. Remove the old fill valve by unscrewing the mounting nut. There is a hose that runs into the bottom of the toilet’s tank. Afterward, drain as much water out of the tank as possible. Aug 21, 2023 · Brand-Specific Issues: A Kohler toilet making a hissing sound could be due to specific design features or components that require attention. Whistling Noise: If your toilet emits a high-pitched whistling noise when you flush Perhaps your toilet is noisy because it is constantly running. If a simple toilet plunger doesn’t work, hiring a qualified plumber is recommended. If you find any damage, you will need to replace the toilet seat. Once again, an adjustment to reset the float arm to a lower level inside the toilet can be the solution. This could be caused by a damaged or broken fill valve, or the valve may just need to be adjusted or Oct 18, 2022 · Occasionally, toilets emit odd sounds such as screaming, gurgling, or hissing. Toilets can have various problems. Replace the Washer. | Turn on the water supply to the toilet and check for leaks. Once full, flush the toilet a few times and listen for any whistling as the tank refills. To test if the fill valve is at fault, gently lift the float arm Apr 23, 2024 · 3. Though, I can't be certain. The hissing is the sound of water rushing into the tank. It should have a leak-proof seal and be properly placed. This can typically be found where the main water supply line enters your home. May 9, 2023 · Toilet • hissing sound. While this is the typical sound of the toilet refilling its tank, the sound continues for longer than the expected one to three minutes. Close the shutoff valve behind the toilet to stop the flow of water. You should be able to complete this with a pair of plyers. If the toilet is constantly running, it may need to be replaced, especially if it is old. Adjust the Fill Valve. If that fill valve isn’t in the correct position or set at the right level, the water will overflow and cause hissing noises. This rubber seal can deteriorate over time or wear down due to sediment buildup. First, remove the toilet tank lid and locate the float. Watch this video if your toilet Nov 18, 2020 · In this video I share what I did to fix my hissing toilet. Use a toilet brush with a long handle to spread the solution around the stain. This means it will allow water to slip into the bowl Jun 28, 2022 · Toilet fill valves help control the water level in the toilet tank, so your toilet flushes at the best performance. To fix this, ensure the valve is fully open and clear of any obstructions. Ensure that the new washer is the correct size and Apr 29, 2015 · A hundred years ago, hearing the sound of a hissing toilet coming from the bathroom meant you needed to check the outhouse for snakes. I've personally never seen sediment cause that much noise unless there's a big chunk in the line that's partially blocking it. Hissing Noise: A hissing noise is typically caused by a faulty fill valve or a leak in the toilet tank. For example, after the toilet is flushed, the float sinks, triggering the fill valve to come on. I assume the hissing is water trying to slowly refill the tank. Stops making noise when tank is full. If the flush valve is the culprit, then the flapper likely isn’t creating a proper seal. Replace the fill valve if the hissing noise persists. If the noise stops when you do that, then there’s a washer in the ballcock mechanism which is faulty. To fix this: Turn off the toilet’s water supply by turning the valve near the intake hose to the indicated position. Install the new fill valve by screwing it into the mounting nut. Rushing Water. Turn off water to toilet, remove red cap on top of fill valve, lift up the float arm and twist counterclockwise to remove it, the dirt on the black rubber diaphragm may dislodge when doing this, if it's a buildup of scale then just remove with your finger or a cotton swab. This restricts the water flow, causing whistling when water is forced through the smaller opening. If the bolts become loose, the toilet can shift slightly when the fill valve opens, causing a rattling or knocking sound. Toilets make all kinds of strange noises, from gurgling to screaming, and most are related to the movement of water or air. Mineral Buildup: Over time, minerals in your water can accumulate on the fill valve components Jun 7, 2023 · Over time, the flapper valve can become worn or damaged, allowing water to trickle into the bowl and creating a humming or hissing sound. 3. This valve seals the opening between the May 1, 2020 · Pour five gallons of water in the bowl before adding cleaning chemicals. A misadjusted float or fill valve causes water to drain into the overflow tube. A common culprit for fill valve noise is a malfunctioning or incorrectly calibrated unit that requires thorough inspection. In this article, we’ll explore the most common causes of a hissing toilet, explain how to diagnose and fix them, and give you tips to prevent future problems. Jan 25, 2021 · Properly examine the flapper. Turn off the water. Fortunately, many homeowners are able to fix issues with the flush valve assembly on Oct 26, 2023 · A toilet making a hissing sound is a common toilet problem that is annoying to residents and it's even a nuisance when the toilet shares walls with neighbors. Check carefully for any leaks. Feb 28, 2024 · By adjusting the float, you can ensure that the water level is not too high, which could be causing the hissing sound. Faulty Fill Valve. This also tends to be an issue with the fill valve not shutting off when it should. Loose Toilet Bolts. Sep 4, 2013 · 2. Feb 14, 2022 · Check the flapper and determine if this is the cause of the hissing noise. If the sound persists, you will need to purchase a new fill valve to ensure that the toilet’s Jul 20, 2022 · The most common reasons a toilet makes noise when not in use are leaky flap valves, malfunctioning flush tank fill valves, or calcium deposits inside the plumbing. Find the valve and turn it to the “OFF” position. Then, lift the toilet tank lid and look for the fill valve, removing the cap to see if it is filled with debris or damaged. Jan 11, 2024 · To fix this, turn off the water supply to the toilet and then flush it several times. 5. A water hammer arrester is a device that absorbs the pressure wave created by the fill valve, preventing the banging noise. To resolve this problem, you need to inspect the valves throughout your waterline. To fix this, you will need to clear the clog. com/toilet-problems/toilet-running-constantly/If your fill valve runs continuously or you hear a constant hissing sound or water hamm A toilet making an air noise or a whistling or hissing sound is a sign that the fill valve is not closing and sealing properly, and air or water is leaking from the fill valve. If I turn this to the right the sound stops, then makes a whoosh sound. FILL VALVE HISS: A noise that is constant and sounds like forced air moving through the toilet. Ghost Flushing. One of the most common reasons for a hissing toilet tank is a leaking fill valve. The seal can be cleaned or replaced. Sep 13, 2021 · Once you have all the water removed, locate the water supply tube and disconnect it from the fill valve. Faulty Flush Valve. How to Fix Toilet Running Continuously or Making Hissing Sound: Flushing Debris from 400A Fill Valve. One of the most common noises that toilets might make while not in use is ghost flushing. Aug 22, 2023 · This scenario increases the hissing from the toilet issue. Step 3: Fit the new flapper valve in the opening, making sure it’s centered and secure. First, remove the lid of the tank and turn off the shutoff valve by twisting the valve clockwise. This may involve adjusting the Apr 14, 2024 · Solutions for Fill Valve Noise 1. Much like the foghorn noise, it’s triggered by flushing but can continue for a while after, making it a common irritant in many households. If it is, fix or replace it so that it is the correct length. The commode may not be shutting down after the tank is full. be/qyjjGP8zEkAFlush Valve Replacement: Steps: 1. Jul 1, 2007 · Toto toilet noise I contacted Toto because my Drake (about 5 yrs. | Use a plunger to unclog the toilet. If water is leaking out of the top of the fill valve, you have a different problem (a defective valve). When it develops a leak, water escapes, creating a hissing sound. Feb 22, 2022 · The same can be said for the fill valve. Adjust the water level on the fill valve. One of the most common issues that can cause this noise is a Jun 8, 2023 · Step 1: Turn off the water supply and flush the toilet to empty the tank. Step 2: Take out the old flapper valve and note its position. Aug 13, 2023 · A faulty seal in the toilet fill valve can cause your toilet to make a hissing sound after flushing. Learn the possible causes behind your toilet making a hissing sound, plus the easy Two causes. Turn on water to the toilet and listen carefully if the hissing noise has stopped. Oct 19, 2023 · Step 5: Turn Water On and Test. Remove the lid from the toilet tank. Turn the water supply back on and allow the tank to fill. The fill valve is responsible for refilling the toilet tank with water after flushing. If you need immediate help, please give us a call at 602-787-3956. Flush the toilet to drain the tank. In most cases, replacing the faulty parts or cleaning the pipes should stop the noise. Apr 28, 2024 · Causes of Hissing in American Standard Toilets. . Cut the water supply to the toilet. Fakespot Reviews Grade: B. Noise means water flowing, especially if it stops when the water is turned off. Sep 1, 2022 · Slow filling toilet? Hissing noisy toilet? In this video I will show you two common causes of this and how to fix the problem quickly yourself. ) If your toilet is making random noises every few minutes, it means that at least part of the flush is executing. Sep 3, 2023 · Once you have confirmed that your toilet is making a hissing sound, it’s time to identify the cause of the issue. 4. The Wailing Whistle. Turn off the water supply to the toilet. Fill Valve Replacement: https://youtu. Another fairly common toilet issue is a hissing noise when it’s flushed. The gasket can wear down and harden over time, resulting in the noise. May 17, 2023 · Is it a hissing, whistling, gurgling, or rattling noise? Determining the type of noise will help you narrow down the possible causes. The flush valve assembly is typically located inside the cistern. The fill valve controls the flow of water into the toilet tank after it has been flushed. Heavy use of the toilet, cleaning with sanitizing bleach tablets, and other activities can wear the flappers out faster than other toilet components. The easiest way to solve this problem is to use a toilet plunger. You can find toilet seats at most hardware Sep 11, 2017 · Possible problem #2: A damaged float. If it is warped or not fitting suitably with the drain hole, cut off the water supply to the tank, flush out the remaining water and disconnect the flapper. The water is not overflowing into the full valve so does this mean it is my toilet bowl plug cau Sep 7, 2021 · My Niagara Stealth toilet (model N7714) had a hissing noise, and I discovered it was due to the fill valve filling the tank with water very slowly. Inlet valves often develop build-up that makes it difficult for water to flow freely into the toilet tank. Your toilet’s float tells the fill valve when to turn on and off. You need to replace all of the parts in order to achieve a good seal on that fill valve and the ballcock valve (whichever your toilet has). If I'm correct, basically you'll need to replace it with something like this. A hissing toilet can be caused by one or more reasons, such as a damaged flapper, a faulty fill valve, a blocked water supply line, or even a crack in the tank or bowl. Oct 29, 2019 · The sound created is the valve constantly trying to fill more water in the tank. Now, let’s move on to the next step: adjusting the water level. Attach a hose to the drain valve at the bottom of the tank and place the other end in a bucket or drain. Clean the inlet valve. The source of my problem was the fill valve. If the fill valve level is too high, water can leak into the overflow tube. If the hissing noise has stopped, your problem has been successfully fixed. Flush the toilet. Clean the tight seal and screw the lid back on. Worn-Out Flapper. Check the fill valve to ensure it’s not overfilling the tank. Amazon Product Rating: 4. Hissing is usually air, give it a few days and it'll dissolve or get better. Note that replacing the flapper valve may not solve all underlying problems. The shut-off valve will be located on the wall behind the toilet. Use a large sponge or cotton cloth to sop up the remaining water from inside the tank. Below the steps are given: Step 1: Finding Out What the Problem Is. Jan 20, 2023 · 3. It is possible for dirt and debris to lodge itself inside the valve. If the toilet hisses, it is probably because water or air is leaking from the fill valve. After you have disconnected this, you’ll now need to find the lock nut located on the underside of the toilet. Depending on the design of your toilet, ensure it is physically okay. These noises are mostly related to the movement of air or water. And once the float rises to a certain point, it triggers the fill The hissing is the sound of water movement through a nearly-closed valve. Next, clean it with water or a mineral cleaning solution. By following these steps, you will be able to fix the problem to stop your toilet from making noise. Regardless, you will notice toilet leaks if the valve does not properly close. Once you open the valve completely, the hissing and/or screeching should not be an issue anymore. Just be sure that the sound isn’t coming from the toilet tank itself. In that case you just need to replace the gasket in the tank reservoir. It's not abnormal for it to wear out though, especially if it is a somewhat older toilet (or heck, nowadays they cheap out on everything anyway). The toilet bolts secure the toilet to the floor. Before you leave the bathroom, close the lid, and let the cleaning solution soak the bowl. Take that yellow part off and replace the diaphragm. As the valve starts making the foghorn sound, grab the float ball and lift it to the top of the tank. Everything else running normally & water level is fine. To check for a broken toilet seat, look for cracks or damage to the seat. If the sound you hear from your toilet is hissing, it probably means that air or water is leaking from the fill valve. As the name suggests, this valve allows the water to gush into the toilet bowl with every flush. Is your toilet hissing? Sounds like the water never stops running? It might need a new fill valve. In many cases, the hissing noise is related to an issue with the parts inside the toilet tank, known as the flush valve assembly. When your toilet is making a hissing sound after flushing, it could be due to a few possible causes. mikol Mar 22, 2024 · How to Fix Toilet Tank Noise. old) is making a loud, chattering noise when it fills. Jun 8, 2019 · 5. When something’s wrong, toilet pipes can make a cacophony of sounds after being flushed. However, replace the flapper if it is warped, misshapen, or not closing well. Nov 28, 2023 · This sound is often caused by the flow of water through a restricted or partially closed fill or water supply valve. This valve is responsible for refilling the toilet tank with water after it is flushed. See full list on thespruce. Start by turning off the water at the supply valve and flush the toilet to empty the water from the tank. Apr 27, 2024 · If the seat washer is damaged or worn, it can allow water to seep through, producing a hissing noise. A malfunctioning chain is lifting and letting water run continuously. If your toilet is making gurgling, banging, or hissing sounds and you want to find out how to Mar 20, 2024 · A persistent hissing noise is a common problem in older toilets that can have a variety of causes: A deteriorating rubber flapper or valve seal causes the leaking. 7: Fix Faulty Fill Valve. If the toilet emits a hissing sound, it could be that the fill valve is leaking water or air. After that the hissing is gone, can I fix this so I don’t have to turn the valve? Nov 11, 2023 · Toilet is making a hissing noise. So, it does the opposite task of the refill valve. Jan 29, 2019 · As a result, water gets forcefully pushed through a small hole causing your water heater to make a hissing or screeching sound. This damage loosens the seal and causes water to leak. Your fill valve is the long toilet part on the left-hand side of your tank. In the following section, we’ll provide practical steps to tackle these Here is the analysis for the Amazon product reviews: Name: Bidet Attachment - SAMODRA Non-electric Bidet Toilet Seat Attachment with Retractable Self-cleaning Dual Nozzles, Frontal & Rear Wash, Adjustable Pressure Switch for Cold Water, Black. Self-Flushing Toilet. Understanding these common causes can serve as your starting point in identifying the source of the hissing sound in your toilet. Adjust it by turning the handle so that the setting remains below 50 pounds per square inch (PSI). m and you can't sleep because your toilet is running, hissing, and making noises. If you can trigger the same sound by flushing and then manually raising the float so the valve is nearly closed, then that's your issue. Aug 26, 2021 · The Toilet is Hissing and Leaking. | | Clogged toilet | The toilet will make a hissing sound when it flushes and the water will not drain properly. Luckily, it’s a very cheap and easy fix. Sometimes toilets make strange noises like gurgling, screaming, hissing, etc. This is because many issues can result in you hearing this noise. Faulty fill valve: A failing fill valve may not open all the way when refilling the toilet. Every time I flush it makes a hissing sound for a long while. Sry for the gross toilet. A faulty fill valve can cause a hissing sound if it fails to shut off completely, allowing water to continuously flow into the tank. Your Toilet is Making a Bubbling Noise. Remove the flapper valve and inspect it for any tears, cracks, or deformations. This could be an issue with several things, including: Flapper. Feb 4, 2024 · Toilet Making Hissing Sound You need to follow some steps as you are handling the issues with your toilet hissing on your own. Who to call: A plumber. In any case, if the valve is not shutting properly, the toilet may leak. May 10, 2024 · The Mysterious Hissing. The supply line actually vibrates during the fill process and makes a lot of Jan 11, 2024 · | Low water pressure | The toilet will make a hissing sound when it flushes. These parts may be worn or improperly adjusted, causing water to leak or flow incorrectly. That valve is what automatically refills the refill tank from the water line. One of the most common reasons for a toilet hissing sound is a malfunctioning fill valve. Over time, wear and tear to the valve can cause it to stop working properly, resulting in a hissing noise. I went through the procedure twice and it made no difference. When the valve is not working properly, it can cause the water to flow through the valve at a high rate, which creates a hissing or Feb 4, 2017 · It's 2 a. Locate the fill valve inside the toilet tank and make necessary adjustments to ensure it is functioning correctly. This noise occurs when water is leaking from the tank into the bowl, causing the fill valve to continuously release water and create a hissing sound. A clog in the toilet: If your toilet is clogged, it can make a variety of noises, including gurgling, bubbling, and even banging. There are several components of a toilet that can cause this sound, including: Faulty flush valve: If the flush valve is not functioning properly, it can cause water to continuously flow into the toilet bowl, resulting in a Nov 27, 2020 · Open the toilet tank and flush. Today, the toilet making a hissing sound is more likely to be caused by your plumbing system. Often, debris and mineral deposits like a calcium buildup from hard water can partially block the valve, causing the whistling sound. 2. Adjusting the fill valve to optimize water flow and reduce noise. If your toilet is making a hissing noise, then you should always look for these problems. A faulty flapper will let water leak out, and that could be the cause of the noise coming from your Toto toilet. But if you get hissing and have ripples of water in y Feb 22, 2023 · Before any maintenance, shut off the toilet’s water supply valve. Malfunctioning Fill Valve. Please realize this will stop the hissing noise because the water supply pipe has been blocked, but it does not resolve the issue. It sounds like air in the valve but there hasn't been any water cut-offs to explain this. Why Is My Toilet Hissing? Possible Causes Solutions; Air in the pipes: A loose fill valve; A faulty water supply line; A clogged toilet tank; Tighten the fill valve; Replace the water supply line; Clean the toilet tank; A running toilet: A leaky flapper valve; A faulty float ball; A clogged toilet drain; Replace the flapper valve; Replace the Mar 15, 2022 · There are two approaches you can try. If the fill valve isn’t closing properly, begin by replacing it. This also Replacing the flapper or adjusting the fill valve level can address this issue. The hissing sound you hear when your toilet fills up is likely due to a faulty fill valve. A worn-out toilet valve can cause a gurgling sound, but the constantly running toilet will tip you off. One possibility is that water is leaking from the fill valve, which is the mechanism that controls the water flow into the tank. May 6, 2020 · Here is how to remove debris from a hissing toilet fill valve: Turn off the water to the toilet. Jan 21, 2024 · Your toilet is hissing likely due to a compromised flapper or an issue with the fill valve. Inspect the Flapper Valve. Flush the toilet and hold down the flush lever to drain as much water from the tank as possible. qa sl ir io pn lh dz ze wj eo