How to Fix a Toilet - Flush Valve Replacement - Part 1 of 2 - YouTube
How to Replace a Toilet Tank Fill Valve (in Just 9 Steps!)
Fluidmaster 400CARP5 Universal No Tank Removal PerforMAX Kit, High Performance Toilet Fill Valve and Adjustable Flush Valve Repair Kit Including Flapper, For 2-Inch Toilet Flush Valves - Amazon.com
Fluidmaster 400A Toilet Tank Repair Fill Valve - Amazon.com