After flushing the toilet and the tank fills up or if I turn on any sink water the pipes in the basement make a loud humming like noise. As soon as I turn off or the toilet stops filling the noise stops. This just started 2 days ago. Any thought...

: What you hear is the washer vibrating against the ballcock seat. The reason it stops when you turn the water on is that you have lowered the pressure by opening a valve. You can go at this two ways. (1) you can lower the pressure by turning the angle stop located below the tank until the noise stops or, (2) you can shut off the stop and remove the three screws on top and cup your hand over the top and just crack the stop enough to flush out any trash that may be in there. After you do that pull the washer out of its holder and flip it over in its holder and reinstall the top and float. One of the two should do the trick. If not click on back and we will go to plan B. Good luck and thank you for rating my answer. TOM

Tom is the master follow his instructions and I am sure it well help you, also open the link below just for info, Thanks.

John

YouTube - How to Repair a Toilet : Repairing Ballcock in a Toilet