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Baffling toilet issue

Old 01-08-2017, 06:30 PM
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Default Baffling toilet issue

I have 3 identical American standard toilets. All three suffer from loose tank bolts, on an ongoing basis. You can usually put 2-3 rotations on the nuts when you tighten them. This occurs about every six months or so, and shows up via a very insignificant drip onto the floor.

I've replaced the gaskets with OEM replacements, and the issue keeps coming back on all 3.
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Old 01-08-2017, 06:45 PM
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Brass or vinyl bolts? Vinyl can loosen.
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Old 01-08-2017, 06:50 PM
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Lock tite for the bolts- more fiber for the diet
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Old 01-08-2017, 06:52 PM
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Lean forward while letting the kids swim!
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Old 01-08-2017, 07:18 PM
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If they're the cheap plastic nuts and bolts, you need to replace them. Most likely no matter what the cause is they're loosening because the tank is wobbling and they start to back off as the pressure on them alternately decreases and increases.

If they're metal, try some locktite as mentioned. If you want to go real redneck try teflon tape - that might work on the plastic ones as well.
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Old 01-08-2017, 07:23 PM
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Originally Posted by Restrain View Post
Brass or vinyl bolts? Vinyl can loosen.
Stainless.
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Old 01-08-2017, 07:26 PM
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Originally Posted by autobaun70 View Post
Stainless.

Stainless nylon locking nuts?
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Old 01-08-2017, 07:32 PM
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Originally Posted by Mud Runner View Post
Stainless nylon locking nuts?
Stainless bolts, with stainless flange nuts. The flanges are kind of like an integrated flat washer that can rotate. May try some nylocks along with flat washers. I think I have some in the garage.

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Old 01-08-2017, 10:33 PM
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About a year ago I had the same problem.
After the second set of new bolts I gave up and replaced the whole toilet.
I have a bad back ,but then who doesn't, I got tired of dealing with it.
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Old 01-09-2017, 04:33 AM
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If the tank wobbles then you may need to shim it. They have plastic shims for that.
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Old 01-09-2017, 04:42 AM
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Life Seal. Inside the tank seat the bolt heads with Life Seal.
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Old 01-09-2017, 04:50 AM
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Teflon dope the rubber washers and tank doughnut. Tighten the bolts until the tank is seated enough to where you can't get movement.
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Old 01-09-2017, 05:44 AM
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Originally Posted by jrolin1 View Post
If the tank wobbles then you may need to shim it. They have plastic shims for that.
I don't notice any, but then again it could be cause by other people that frequent the house. Just ordered these to hopefully eliminate that as being the issue.

https://www.amazon.com/Secure-Tank-T...019J6UAKU?th=1

Originally Posted by 2dogs1949 View Post
Life Seal. Inside the tank seat the bolt heads with Life Seal.
Hmm, just happen to have some. Will do all 3 next time one of them leaks.
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Old 01-09-2017, 07:36 AM
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I'm not a plumber but have some experience rebuilding toilets (property manager) The brass or stainless bolts will work, it's how they are assembled that makes the difference, if you follow the directions on the package they will leak.
From the inside of the tank, the order should be -
Screw, washer, rubber washer then tank. On the outside (underside) rubber washer, washer, nut - snug these up so there is no chance of a leak. Then put the tank on the seat and under the seat rubber washer, washer and wing nut - this is the one that should not be over tight or you can break the seat.
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Old 01-09-2017, 07:56 AM
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Originally Posted by jrolin1 View Post
If the tank wobbles then you may need to shim it. They have plastic shims for that.
The shims are to hold the tank to the bowl. It stops the tank wobble but the tank will be sealed using the below process.

The below is done first then mounting the tank assembly to the bowl. This is the exact order I use for my hardware. I do use a small to liberal amount of Vaseline on the internal washers and the seal for tank/bowl connection. Seals and stops the small leaks. Big second on not over-tightening the bolts to deform the washers..



Originally Posted by Blnd Fsh View Post
I'm not a plumber but have some experience rebuilding toilets (property manager) The brass or stainless bolts will work, it's how they are assembled that makes the difference, if you follow the directions on the package they will leak.
From the inside of the tank, the order should be -
Screw, washer, rubber washer then tank. On the outside (underside) rubber washer, washer, nut - snug these up so there is no chance of a leak. Then put the tank on the seat and under the seat rubber washer, washer and wing nut - this is the one that should not be over tight or you can break the seat.
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