If you are trying to make the toilet completely level, use a carpenter’s level to measure how close the floor is to even.
In some cases, the toilet may be wobbly because these nuts are loose. If that’s the case, simply tighten them!
Caulking the toilet keeps the shims and washers secure in addition to preventing moisture from getting trapped under the toilet.
Do not use pliers or wrenches to twist the valve handle, as this can permanently damage it.
There will also be residual water left in the toilet bowl—sop it up with your sponge or turkey baster before working on the toilet.
Toilets can leak after they’ve been removed from the floor. Set it on a towel or some newspapers until you’re ready to reattach it. [10] X Research source
In newer homes, the closet flange may be fixed to the drain with PVC glue. If that’s the case, buy a repair flange to fit over the existing one. Use a level to make sure the repair flange is level, then screw it into the floor.
If the floor is uneven but not damaged, you could cut out a plywood base slightly larger than the toilet. Place it under the toilet so it sits on a flat surface, and cut a hole in the center of the plywood for the closet flange. [12] X Expert Source Patrick JohnsHome Improvement Specialist Expert Interview. 5 April 2022.
Do not reuse the wax from your old wax ring.
If the toilet seems more even but is still slightly wobbly, add shims or washers to the bottom. Continue adjusting the toilet if it is uneven until you reach the desired level.
