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Machinc, General Contractor
Category: Home Improvement
Satisfied Customers: 936
Experience:  Has written home improvement articles since 2008. Earned South Carolina Residential Builders License in 1991.
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I have a Kohler toilet and the seat is extremely loose, on

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I have a Kohler toilet and the seat is extremely loose, on the right hand side the bolt can be pulled up by an inch Left side intact There is no nut as the bolt is contained in the porcelain Do I have to buy a whole new toilet

The seat can be easily tightened unless the bolts are corroded too bad,.
The bolt has a plastic but that doesn't really look like a nut.
Look under the commode where the bolt screws and push down on the loose side.
You should see the plastic nut peek out. Grip it with vise lock pliers and unscrew it. Do not try to tighten it.
There should be or have been a large washer to keep it from
Going up into the socket. If you can screw it on by hand
And have a large washer it is ok to repair otherwise buy a new seat or new hardware.
Toilet seats are supposed to be just snug and not taken to extremes.
If your hardware has a metal nut and it is still usable do not over tighten
You do not need a new commode. The nut is in there it just may be hard to see.
Customer: replied 4 years ago.

No nut it is contained in the porcelain somewhere

I also had a plumber and he said these toilets were constructed this way


only a long screw nothing on the bottom nothing in the tank


Very confusing

Don't give up I'm doing some research. Back in a few.
Is your commode radically different from the average in other homes?
Customer: replied 4 years ago.

No It is just a newer model 2004 I think

Kohler apparently no longer makes them and I can see why


Can not even remove the bolt and cannot tighten it either


Do you need a picture

It looks like there is a model with encased bolts.
You can try placing a straight blade screwdriver in the hole with the nut to keep it from spinning.
do not try to tighten it this way.
If when you get it out remove the other the same way.
Do not reuse the nut and bolt if you can not clean it enough to screw it all the way on by hand
The replacement bolts are
Part no
part #84999
Ill get you a link to a sight in a few
Here is a link to a replacement kit on amazon

Does this look like what you are dealing with?
A last resort is to drill through the heads of the bolts and remove the seat that way. You should be able to remove the anchors and clean out the holes. Then install the kohler replacement kit.
This shoul not take long or be that hard. Just be careful not to crack anything and wear safety goggles.
Then you have to deal with balancing on the seat until the new parts arrive .
This is extreme but will work if done carefully.
Sorry you are having all this trouble

David Machado
Customer: replied 4 years ago.
Is there a service that fixes this issue
In your experiences does Kohler gave any one the provide
There. Have been numerous complaints to Kohler.
It is basically a good idea gone bad.
Any reputable plumber should be able to do the repair in a few hours
with parts and labor this could be expensive.
Depending on how old the unit is they may have
Some plan for discounting the parts but that is just a guess on my part.
With all the exposure to moisture metal commode parts it is not uncommon for commode parts to totally fail.
Unless you are an aggressive and experienced do it your selfer it may
Be best to call in a local plumber or a friend or relative
Who would be less stressed over getting aggressive and drilling out the bolts.
We have to choose our battles and sometimes you just have to let one go and pay the price.
Best of luck.
Let me know how you make out
David Machado
Customer: replied 4 years ago.
I am aggressive and a fix most things around my house
I am an RN by trade
Just not sure how fragile the toilet is
It is only 6 or 7 years old I notice no corrosion etc to screw
Is this area easily damaged

I think I will order the kit and give it a try
Looks like one part of kit is a tool to pry old part out
What do you think
Sounds like you can do it . Once you get it don you will know hog from then on .
The commode is pretty tough and will take anything short of a hammer blow. E take your time and use the tools and you can do it.
Sounds like you have the "stick toituviness v" a s to get it done
To get it done.
Keep me posted
David Machado
Machinc and other Home Improvement Specialists are ready to help you
Let me know how this turns out and if I can help you with anything else.
David Machadi