Hello Tim!
When my toilet is at the very end of being filled, it makes a loud rumbling noise. It sounds like the pipes are shaking. As I look inside the tank when being filled, the main part where the water comes out (the long tube on the same side of the handle) vibrates. Is there a problem with my water pipes or do I need to replace the insides of my toilet? Help!
Theresa
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Theresa,
I don't think it is a piping problem at all. That noise is very normal for a worn out ball cock valve. The chattering is often caused by sediment buildup. A harmonic vibration develops as the valve tries to close. The high water pressure wants to fight to keep the valve open and this battle starts the rumbling.
I prefer the ball cock valves that stay wide open until they decide to stop. When the tank hits the fill line, the sut off is instantaneous. The brand I prefer is Fluidmaster. All of my toilets have top-of-the-line Fluidmaster ball cocks in them. You can view their products here: http://www.fluidmaster.com
Tim Carter
www.askthebuilder.com
W3ATB