I have a one piece Kohler toilet and need to replace the seat. One of the screws came out, but the other is just spinning. There is no way to grab or see underneath. I am not sure what can be broken inside as it is metal right in the porcelain toilet. What can I do?

Kohler Rialto / San Raphael toilet problems # 84499 ...

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You should be able to get it direct from Kohler unless you can't find it at a specialty plumbing shop .

Wrap a putty knife with a wash cloth, and push it between the toilet ceramic surface and the plastic hinge for the seat. Wedge it in there. Now try unscrewing the hinge screw. This provides back pressure against the hidden nut on the other side and may let you successfully remove the screw.

Gerber avalance is a great toilet if you can find, is ada 18'' with seat

use a hack saw on the topside of the bolt(maybe just the blade), do not bind it as it may break the toilet. Hope this helped Tim

Cut it out David with a flat bladed hack saw with as many teeth as possible. Give it a shot, pays to buy the best HUH????

Kohler will try to sell you $46 anchor bolt kit 84999 & also there special tool. You should expect that for a $400 toilet.

Try this instead:
1. Use 1/8" drill bit and drill and drill around the bolt until the anchor material can be removed.
2. Carefully clean hole with 11/32 drill to remove all remaining acchor material.
3. Go local hardware store & buy a 10 - 32 3/8"X3/4" rubber expansion plug (make certain threaded part is brass & has shoulder on 1 end), a 10 - 32X1.5" Phillips bolt and couple of small fender washers fit the seat.(about $4 for 2)
4. Assemble carefully not to over tighten and crack the porcelain.

Hope it helps

I repaied one of these laast week and it had the Plastic nuts in between the webbing on the seat where the lid connects I believe You remove the plastic cap with a knife and use a flat tip screw driver to remove the screws and replace the seat.

There is clips where the bolts should be .Flip the clips up grab hold of the seat and pull it strait out towards the front of the toilet.

your new seat will have bolts and nuts with it.