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bathroom toilet leaking help #5445825 06/04/20 02:52 AM
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FirstNissan Offline OP
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Hi, One of the toilets in the house has started leaking around the base. I've tightened it down As much as I can, however the lake persists. Would it be reasonable to apply a ring of silicone between the base and the floor or do I need to unbolt the toilet and replace whatever seal has failed.

Thank you


2017 Toyota Sienna
2019 Toyota Camry
Re: bathroom toilet leaking help [Re: FirstNissan] #5445828 06/04/20 02:55 AM
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FT92 Offline
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unbolt...most likely the wax ring is failing...but I would check the flange ,could be cracked ….are you sure the tank isn't leaking , running down to the floor , possibly in the back ?...

Re: bathroom toilet leaking help [Re: FirstNissan] #5445830 06/04/20 03:03 AM
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Char Baby Offline
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Replace the wax ring.


Retired 6 yrs now & lovin' it
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'15 Nissan Altima 2.5 SV
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Re: bathroom toilet leaking help [Re: Char Baby] #5445833 06/04/20 04:26 AM
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PimTac Offline
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Originally Posted by Char Baby
Replace the wax ring.

This and inspect the toilet for any cracks while you have it up.


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Re: bathroom toilet leaking help [Re: FirstNissan] #5445840 06/04/20 05:00 AM
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wog Offline
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+1 pim tac said !

Re: bathroom toilet leaking help [Re: FirstNissan] #5445842 06/04/20 05:03 AM
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Lubener Offline
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Wax ring time. Depending on how the floor flange is situated with the floor, you may have to go with a thicker wax ring. DO NOT over tighten the bolts, you will surely crack the toilet. If the ring has failed, tightening the base will not solve anything. Never put silicone on the ring or around the base to attempt to fix the leak, you will eventually ruin your floor.

Last edited by Lubener; 06/04/20 05:05 AM.

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Re: bathroom toilet leaking help [Re: FirstNissan] #5445845 06/04/20 05:20 AM
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Re: bathroom toilet leaking help [Re: FirstNissan] #5445861 06/04/20 06:30 AM
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Kruse Offline
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They also make wax-free alternatives. The Fernco FTS-3 is one of them.

Re: bathroom toilet leaking help [Re: Char Baby] #5445868 06/04/20 06:42 AM
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aquariuscsm Offline
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Originally Posted by Char Baby
Replace the wax ring.


^^This.


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Re: bathroom toilet leaking help [Re: FirstNissan] #5445887 06/04/20 07:10 AM
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BigCahuna Offline
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Before you pull the toilet, check the thick rubber donut /gasket between the tank and the bowl for leakage. I've had 2 of those leak thru the years. It's a easy fix and you don't need to take the toilet off.,,,

Re: bathroom toilet leaking help [Re: FirstNissan] #5445890 06/04/20 07:14 AM
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kschachn Online Content
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Also go in the basement if you can and look under the toilet area for mold or other damage. About two years after our house was built I discovered a toilet where the plumber had partially rolled the ring during installation. The growth underneath was really something.


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Re: bathroom toilet leaking help [Re: FirstNissan] #5445911 06/04/20 07:46 AM
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ragtoplvr Offline
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if you silicone around to stop a leak you will rot out your floor.

Tightening it up ill break the stool flange in the plumbing.

New wax ring.

Re: bathroom toilet leaking help [Re: FirstNissan] #5445926 06/04/20 08:11 AM
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Bud Offline
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I agree with everyone on the wax ring failure. Pull the toilet up, clean everything well and reinstall with a wax ring substitute. I did this about 8 years ago and no problems since. I avoid the normal wax ring myself. No matter what, its not a hard job.


2016 Honda Pilot EX-L with NAVI.....Mobil 1 0w20 AFE and Honda OEM Filter
Re: bathroom toilet leaking help [Re: FirstNissan] #5445932 06/04/20 08:16 AM
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Donald Online Content
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And don't lift the toilet by the tank or you will have additional leaks. Lift the bowl and steady it maybe with holding tank.

You may need a thicker wax ring. Get the ring with a rubber insert that goes an inch or two down the sewer pipe.

First is to pull the toilet and inspect the toilet for cracks then the flange. As others have said check the tank to bowl and the tank bolts for leaks.


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Re: bathroom toilet leaking help [Re: FirstNissan] #5445945 06/04/20 08:40 AM
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JLawrence08648 Offline
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All gave good advice, re-read Lubener and Donald.

I've used wax rings and synthetic rings, I tend to go back to the wax ring with the rubber extension.

You can remove the toliet by yourself but you are going to need help putting it back straight! up and down, carefully, not tilting it.

You need to check the level of the toilet flange on the floor. If it's too deep, you'll need to add a plastic extension ring to raise it otherwise it will leak again. This is common when the floor has been tiled. Silicon will stop the leak from coming out on to the floor but won't stop the leak. It will run down the sides of the 4" sewer pipe to whatever is below, inside the wall, ceiling, ....


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