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I cannot tighten the toilet seat on my kohler 3386 rialto toilet. Like everyone else I cannot find out how to get to the bottom of the screws. I never would have bought the toilet if I realized you cannot get to the screws to replace the cover. Kohler should replace the seat and all instructions pertaining to this toilet as it apparently is a definite manufacturers slip-up. I have always purchased kohler products but will be real careful in the future. How do i get this rectified?
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If you are trying to install a standard toilet seat on a special "smooth sides" toilet, it likely will not work. Most hidden bolt toilets come with a special seat because you cannot get to anything from below. This special seat has a set of expanding style bolts that are attached to the screw that is part of the seat. The plastic expanding bolt goes into the hole(s) on the toilet, and as you tighten the screw on the toilet seat bolts, they expand the plastic part in the hole of the ceramic toilet.
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.
You should be able to remove the tank lid, reach into the cistern and find submerged at the bottom towards the front of the toilet the plastic wing nuts, hold onto these while tightening the plastic bolt from the top.
I have a Kohler toilet with a similar design, not sure if it is this exact model but they look very similar so I hope this works for you.
sometimes removing the 3 or 4 screws that hold the top of assemble and separating the assemble will dislodge debri..and adjust the seat so that the water comes out of the small tube into the overflow tube like it should.
there is probly caps on the hinges or if not just directly underneath there should be a nut.
1. pop the caps off with a butterknife or whatever
2. get a flat head screwdriver to hold screw
3. use a socket to turn the nut underneath.
good luck
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.
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.
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