I retiled my floor, but the tile is lower than the previous tile, therefore the toilet rocks when using it. When I wedged a piece of tile under the front it no longer rocks.

If I tighten the bolts on the sides of the toilet, will this tighten the toilet to the floor? There is no leaking of any sort. I looked this up and am double checking.

Thank you.

are you saying the back of the toilet rests on the tile floor but the front is up by the thickness of a bit of tile?
when you set the toilet did you feel the wax seal squish as you pushed down?

From your description, the toilet may be sitting on the flange. If so tightening the bolts will secure it to the flange better but will probably do nothing to keep it from "rocking".

I did not remove the toliet. I was able to remove the 1" square tile without removing it.
no I did not here a squish.



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IT would be impossible to remove the tile and then install a thinner tile without removing the toilet, or at least that would be the proper way to do it.

I was able to use a very thin putty knife, slide it under the tile- it was old tile and pop it off or loosen it.- It was linoleum layed over the tile and when I pulled up the linoleum, I found tile and had to remove it.

if there is a space between the toilet bowl and the new tile you should shim in at least 4 places to stabilize the toilet.
as hj said, the toilet is bolted to the flange which will keep it from leaking but will not stabilize it.
you may want to caulk around the toilet to keep water from going under it.

I'd shim it and monitor it for leaks for a bit, before caulking. Paper strips make good indicators.