You will need to rep.
Diy remove toilet drain from floor.
Make sure the toilet is level.
Cover the drain hole.
Push in and out vigorously keeping enough water in the bowl to cover the plunger.
Underneath there are the bolts that are holding the toilet to the floor.
Tighten the tank s bolts.
Unbolt the toilet from the floor.
If you re removing the entire toilet and not just removing the back tank to paint behind the toilet you ll need to remove the bolt caps.
First plunge the toilet with the rubber flange pulled out to get a better seal.
Grease the spud washer.
Caulk the new bowl.
Place a new wax ring.
Have towels handy to wipe up any water that splashes out.
Remove the old wax ring.
How to remove rusty toilet bolts.
Remove the toilet tank.
This diy video will show you how to remove an old 4 pvc flange that is cemented to a 4 pipe that you may do it without special tools.
A toilet plunger fits over and seals the toilet drain.