See how easy it is to fix a running toilet with this helpful video. A leaking toilet is typically caused by either a faulty fill valve or flapper. Learn how to diagnose the problem and what steps to take to correct the issue. See our Plumbing playlist for more DIY tips: https://thd.co/2EmW3Rn #TheHomeDepot #HomeImprovement #DIY SUBSCRIBE to The Home Depot: http://thd.co/2iib0HE For more plumbing tips, see our How to Repair a Leaking Toilet Tank project guide: https://thd.co/2GEftn0 First steps: 0:11 Tools and supplies you'll need 0:18 Determine cause of the leak How to fix or replace the fill valve: 0:55 Test float cup 1:01 Adjust fill valve 1:20 Shut off water 1:25 Remove water 1:34 Remove supply line 1:45 Remove fill valve 2:00 Install new fill valve 2:20 Reattach supply line 2:27 Attach fill valve tube How to replace the flapper: 2:43 Shut off water 2:46 Remove flapper 2:58 Install new flapper 3:09 Turn on water and test About The Home Depot: How doers get more done. We’re helping doers in their home improvement projects. Now you can take on more renovation projects with more know-how. Our step-by-step instructional DIY videos and expert advice will give you the confidence for your next project with hands-on learning. It’s a good time to be a doer. Follow The Home Depot: WEBSITE: https://thd.co/TheHomeDepotSite FACEBOOK: https://thd.co/TheHomeDepotFacebook TWITTER: https://thd.co/TheHomeDepotTwitter INSTAGRAM: https://thd.co/TheHomeDepotIG PINTEREST: https://thd.co/TheHomeDepotPinterest How to Fix a Leaky Toilet | How to Stop a Running Toilet Tank | The Home Depot https://www.youtube.com/user/homedepot