Repairing Guides

how to repair a leaky toilet

by Bernardo Ryan Published 3 years ago Updated 2 years ago
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[Solution] How to Fix a Leaky Toilet

  1. Check for Condensation. Water puddling around the toilet due to condensation will be relatively easy to spot, since...
  2. Tighten the Tee Bolts. Remove the plastic covers from the tee bolts on either side of the toilet base, and use an...
  3. Purchase a New Wax Ring. Generic wax rings fit most toilet, but there are slight variations for some toilet models. If...

Full Answer

What are the best ways to repair your leaking toilet?

Know Your Parts to Fix a Leaking Toilet

  • Refill Tube. Replaces water in bowl after flush. ...
  • Ball Cock. On/off valve regulated by float ball fills tank and bowl after flush. ...
  • Float Cup. When it comes time to retire an old ball-cock flush mechanism, the all-in-one plastic replacements stocked by home centers make for an easy fix.
  • Float Ball. ...
  • Chain. ...
  • Overflow Tube. ...
  • Flapper. ...
  • Gasket. ...
  • Wax Ring. ...
  • Closet Bolt. ...

More items...

How much does it cost to repair a leaking toilet?

Toilet Repair Price by Type of Replacement

  • Flush Valve $60 - $120
  • Fill Valve $60 - $120
  • Shut-Off Valve $60 - $120. Replacing a flush valve is probably one of the cheapest replacement jobs, priced around $60 to $120.

How to quickly test if a toilet is leaking?

Drain the Toilet Bowl

  • Use a toilet plunger to force as much of the water as possible down the drainpipe.
  • Wear some nylon gloves and soak up the remaining water using a sponge or piece of cloth until the bowl is completely empty.
  • Wait for about 30 minutes.

How to tell if your toilet is leaking?

The following checks will enable you to instantly tell if your toilet is leaking:

  • Establish where the water on the floor of the toilet is coming from at all times
  • Visually inspect your toilet set up for leaks and cracks, paying close attention to trouble spots like the overflow, spud, and flange
  • Stay on the lookout for any evidence of leakage under the floor, including odors, mold, spongy floorboards, and discoloration

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How do you fix a toilet that keeps running?

2:423:31How to Fix a Running Toilet - YouTubeYouTubeStart of suggested clipEnd of suggested clipWithout it pulling open the flapper. Turn the water supply back on and flush the toilet to see ifMoreWithout it pulling open the flapper. Turn the water supply back on and flush the toilet to see if the leak is fixed adjust the chain length as needed if the flapper doesn't seat properly.

What causes a toilet to leak from the bottom?

Over time, the bolts may loosen, or the washers may wear out, causing water to leak from the tank and pool around the toilet base. Begin by tightening the bolt nuts underneath the tank with an adjustable wrench. If the nuts keep spinning, try tightening them from the inside of the tank.

How do you fix a leaking toilet yourself?

0:023:48How to Fix a Leaky Toilet For Dummies - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf you see a little water on the floor around the bottom of your toilet bowl it may have a damageMoreIf you see a little water on the floor around the bottom of your toilet bowl it may have a damage wax gasket seal to replace the seal you have to remove the toilet bowl from the floor.

How do you fix a toilet that leaks fast?

If the leak persists, try this:Shut off the water supply to the tank.Flush the toilet to drain it of water.Sponge out any remaining water in the tank.Detach the water supply line.Remove the hold-down bolts.Lift out the tank.Replace the spud gasket.Put everything back together.

How do you know if the wax ring is leaking?

The first sign of a failing wax ring is water that seems to be seeping out of the base of your toilet. Other signs to look for include: Water stains on the ceiling from the floor below. A lingering, unpleasant bathroom odor from escaped sewer gasses.

How long does a toilet wax ring last?

The wax ring is exactly what it sounds like: a ring made of sticky wax that helps form a watertight seal between the bottom of the toilet and the sewer pipe. It requires no maintenance and can last 30 or more years, often as long as the toilet itself. But sometimes wax rings can dry out, crumble, and fail prematurely.

Should you caulk around a toilet?

Caulk Keeps the Toilet Secure Think again! Caulk keeps your toilet secure the floor, and avoids any chance of injury or toilet malfunctioning. It's actually required by the International Plumbing Code to caulk a toilet to the floor, and now knowing the reasoning behind it, why would you not want to?

What is the best caulk to use around a toilet?

Caulk usually comes in a tube and 100% silicone caulk is best for use on a toilet since it's more resistant to water than other types of caulk, such as acrylic. Silicone caulk is typically a bit more expensive than other types, but that extra money will save you the problems that come with an improper seal.

How do you reseal a toilet to the floor?

0:592:20How to Replace a Toilet Seal Ring : How to Fix Toilets - YouTubeYouTubeStart of suggested clipEnd of suggested clipTake your wax ring and firmly. Press it on the hole. On the bottom of the toilet. So it sticks thereMoreTake your wax ring and firmly. Press it on the hole. On the bottom of the toilet. So it sticks there by itself twists toilet out and you're going to put it back in place making sure that the flange.

Why does my wax ring keep leaking?

If the closet flange sits below the level of the finished floor or the wax ring is installed catawampus, the seal can be incomplete, and the toilet will leak. Removing and resetting the toilet properly will stop the leak. To remove the toilet, shut off the water to the tank.

Why is my toilet leaking water?

The wax ring that seals the toilet to the drain may be faulty. This is sometimes caused by a toilet that is loose, or it can be the result of a wax ring that has grown old and is no longer pliable enough to provide a good seal. Water condensing on the toilet might be dripping down and puddling around the base of the toilet.

What happens if a toilet flapper is faulty?

Check the flapper. A faulty flapper can allow a small, constant stream of cool water to continually flow into the toilet tank. The lower temperatures of the in-tank water will cause a buildup of condensation of humid room air on the outside of the tank. Check your flapper to ensure it is creating a proper seal.

How to remove old wax from toilet bowl?

Use a putty knife to scrape the old wax ring away from the drain opening (horn) on the bottom surface of the toilet bowl, making sure to remove any stuck-on wax. Older wax rings build up a grimy residue over time, so be sure to have gloves and trash bags ready.

Why does water pool around the base of my toilet?

If you notice water pooling around the base of your toilet, there are several possible causes: The bolts that secure the base of the toilet to the floor might be loose. The base of a toilet is held to the floor with two tee-bolts threaded up from the mounting ring through holes in the base of the toilet.

What to do if tee bolts don't work?

If the tee bolts can't be tightened, you may need to remove and reseat the toilet, installing new tee bolts and a new wax ring. If this doesn't work, it is likely that the wax ring is damaged or worn out; proceed to the next step to begin replacing the wax ring.

Why does water drip down the floor of a toilet?

The water in the toilet tank and bowl is often quite cold, and the cool porcelain can cause humid room air to condense and drip down onto the floor. If this is the case, you can usually see droplets of water collecting on the outside of the porcelain bowl and tank.

How to stop puddling in toilet?

Usually condensation occurs when the toilet is constantly running. There are several methods that can be used to prevent the puddling: Install a tray. A small drip tray positioned is a simple and affordable way to keep water off of your floor.

Refill Tube

Replaces water in bowl after flush. If toilet runs intermittently, check that tube's end is above water level in tank.

Ball Cock

On/off valve regulated by float ball fills tank and bowl after flush. If toilet runs intermittently, ball cock could be faulty and may need to be replaced.

Float Cup

When it comes time to retire an old ball-cock flush mechanism, the all-in-one plastic replacements stocked by home centers make for an easy fix. Float-cup mechanisms go in quickly and adjust easily for simple repairs.

Chain

Opens flapper at beginning of flush. If toilet runs constantly, check that chain isn't too short or long, thus interfering with flapper closing.

Overflow Tube

Prevents tank from overflowing. If tank water is constantly draining into tube, bend arm of float ball down slightly or lower float cup on replacement fill-valve assembly.

Flapper

Lifts to let tank water flow into bowl. If toilet runs intermittently, scrub mineral deposits off it (or flush-valve seat under it) to tighten seal. If that doesn't help, replace it.

Wax Ring

Seals connection between bottom of toilet and drain. If water leaks out base of bowl, replace ring.

How to fix the 4 most common causes of leaks under the toilet

Fix the 4 most common causes of leaks under the toilet. With the right parts it's easier (and cheaper) than you think.

3 signs of a toilet leaking at the flange

Water on the floor, water stains on the ceiling or an occasional smell of sewer gas are all signs of a possible leak.

Pulling the toilet

Unscrew the water closet nut with a wrench. If the bolt spins along with the nut, grab the exposed bolt above the nut with locking pliers. Loosen the nut just enough to squeeze in a hacksaw blade below the nut and saw through the bolt. TIP: Use a close-quarters hacksaw like the one shown or wrap a rag around a bare blade.

Broken toilet flanges: How to replace toilet flange

Thoroughly clean off wax residue with mineral spirits. You may not need to completely replace toilet flange. Instead, set a reinforcement ring over the flange so the water closet bolt slots line up and mark screw locations on the floor. Drill a clearance hole through tile or masonry with a hammer drill and a 1/4-in. masonry bit.

Fixing flanges that are too low

Clean the toilet flange with mineral spirits to remove all the excess wax. Fit the extender ring over the flange and remove any original flange screws that line up with the ones in the extender ring. Apply a bead of silicone caulk around the inside edge of the extender ring.

Minimal rot around the flange

Remove the old toilet flange screws and slip each half of the flange support beneath the flange edges. Lift the flange with a screwdriver or pry bar if necessary.

Reset and fix a rocking toilet

Push the new wax ring onto the toilet horn with the rounded side toward the toilet. Mark the water closet bolt positions on the floor with masking tape.

How to get rid of leaking water in toilet?

Add coloring or food dy e to the water and wait 10 minutes. Add 1 dye tablet or 10 drops of food coloring to the water in the tank. Dyeing the water this way will allow you to see whether the water in the tank is leaking into the toilet bowl. You can normally purchase water dye tablets from your local water provider.

Why is my toilet water leaking?

Check the water in the toilet bowl to see if it’s changed color. If the water in the bowl has any trace of the dye you put in the tank, the water in the tank has leaked into the bowl. This means the cause of your leak is a faulty flush valve. If you have a damaged flush valve, it will have to be replaced.

How to tell if water in a tank is rising or falling?

Make the mark at the highest point where the water in the back of the tank reaches. This will help you to determine whether the water in the tank rises or falls over time. For best results, use a sharpie; a pencil mark will work, but it may be washed away if the water rises.

Can you tell if a toilet tank is leaking?

Yes, especially if the leak is in the tank. To see if your toilet tank is leaking, lift the lid on your tank and check if the water level has gone up or down. This might mean water is leaking into or out of you tank.

Can you fix a leaky toilet tank?

A leaky toilet tank never feels like a simple problem to deal with. Whether water is leaking into the bowl or onto the floor, some plumbing work will be required to fix it. Luckily, once you know how to determine the cause of the leak, it’s a straightforward process to fix your leaky toilet tank.

How to remove water from toilet tank?

Step 1: Cut the Inflow of Water and Expel Water from the Tank. Stop the inflow of water by shutting the control valve at the supply pipe under the tank. Then remove the water in the tank by flushing the toilet and scooping out the remaining water with a cup.

What does it mean when a toilet flapper leaks?

Drop some trickles of colored fluid in the tank and observe for a while. Once the colored liquid seeps into the bowl without flushing toilet, it indicates a leaking flapper. It’s always messy when a flapper is faulty in a compact toilet for small space.

How to stop water from leaking from a tank?

Fasten these nuts with a screwdriver and a flexible wrench. Clasp the nuts with the screwdriver and fasten with the wrench by turning in a circular direction. After fastening the nuts, the leaking water from the bottom of the tank will cease.

What to do if water is still dropping?

If water is still dropping, then it will require total replacement of the fill valve cabinet or the plastic washer or screw. Method 2. Changing a worn out fill valve. In the case that leaks still occur after you have tightened the screws, you may need to fix in a new fill valve.

How to fix a crack in a water tank?

Stop the water supply and remove water from the tank by flushing toilet. Dry the body of the tank before you start fixing. You may use a cloth to dry or a hairdryer to fasten the drying. After that, ensure the procedures on the toolkit to mend the crack. Give it time like 2-3hours for the mend to patch.

What does it mean when a gasket doesn't work?

Release the flow of water into the tank and observe the bottom for a while. If water still drips, you should get new nuts, but if it doesn’t, that means the gasket is in working order.

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