I replaced the gasket and tank bolts of a 10+ year old toilet.
The tank bolt kit included rubber-fiber and stainless washers.
The kit warned about tightening the bolts too much and potentially
cracking the porcelain but I still tightened them a fair bit - enough
to deform the rubber washers.
When I filled the tank, water dripped out in a steady stream from both
sides. Tightening the nuts a bit more didn't seem to make much of a
I don't see any crack in the porcelain and the contact surface around
the washers seems pretty flat without any noticeable pits, bumps, or
- Is there any "trick" to making the joints leak tight or do I just need
to keep tightening?
- How likely am I to crack it if I tighten more?
- Am I better off adding some pure silicon caulk to make it watertight
or do I just keep tightening until the leaking stops and hope the
porcelain won't crack?
- Any other suggestions?