Step One: TURN OFF THE WATER!
Understand that Bathroom Machineries offers these repair tips as-is. We cannot accept any responsibility for the use or mis-use of the information and tips provided herein.
The advice given here assumes some familiarity with plumbing techniques and basic hand tools. If your Significant Other quakes with fear every time you pick up a tool, you might think twice before attempting anything described in the below pages.
Step Three: click on the photo below of the toilet most like the one you are working on: