How To Fix the Toilet Leaks When Flushed

Leaks in toilets are a big concern for homeowners, but they are easy to fix if you know where to start. If you think that the toilet leaks when flushed, it’s usually because the wax ring, tank flange, or tank gasket is worn out.

How To Fix a Toilet That Is Leaking at The Source When You Flush It

These are some steps to fix the toilet leaks when flushed that you can do.

Step 1: Close the water valve

Close the water valve

Locate the toilet’s water shutoff valve and close it. It should be behind the flint on the wall and easy to turn. If he’s stubborn, don’t force it; try a bit of WD-40 instead.

Step 2: Empty toilets and tanks

Remove the toilet tank lid and flush the water. As you can see, the tank never fills up again. You can pump all the water out of the tank by pressing the lever.

Step 3: Remove the water line

Remember the closed valve? After that, the end of the hose coming out of the valve must be disconnected from the toilet tank.

Step 4: Remove the toilet tank

Remove the toilet tank

For integrated toilets, you can proceed to the next section. If not, remove the tank from the mounting bolts with a wrench. A proper socket ratchet will speed up the job, but always remove all nuts.

Step 5: Remove the toilet screw

Grab a putty knife and remove the toilet seat cover. It can be difficult to handle, but this guide will show you how to safely take it off and put on your new outfit.

Step 6: Remove the toilet bowl

Removing the bowl is another step you can need help with, especially if you want to temporarily remove the toilet from your bathroom.

Step 7: Examine the rims

Examine the rims

If the rims are in good condition with no visible cracks or damage, there is no problem. If your floor bolts or flanges are damaged or need replacement, now is the time.

Step 8: Replace the wax ring.

With the lip and wax ring free of debris, install the new ring and remove anything blocking the drain. To seal them, it’s important to remove all of the old wax rings beforehand.

Step 9: Reverse the toilet and install the tank

Return the toilet after installing the wax ring. Lift the toilet to align the bolt holes with the bowl and place it over the flange. Press the bowl firmly to adjust the ring and create a watertight seal, but do not tilt the toilet or move it from side to side.

Step 10: Leak test

Toilet Leaks When Flushed

If the toilet is positioned correctly and the tank is set up, connect the supply lines. Return the supply hose to the filling valve at the bottom of the tank and tighten the nut securely.

Fill the toilet tank by slowly flushing it from the water supply valve behind the toilet. Rinse the toilet and look at the base to make sure there are no leaks.

Rinse for a few minutes, but pay attention to the supply line connection and where the tank meets the bowl of the two-piece toilet. That’s all about how to fix the toilet leaks when flushed. Hopefully it’s useful.

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