Why does my toilet make a loud vibrating noise after flushing?
Why does my toilet make a loud vibrating noise after flushing? The most common cause of a vibrating sound in the walls when you flush is an issue with the toilet's fill valve – specifically, its diaphragm gasket. When this small part wears out, it becomes stiff and less flexible. When it tries to shut off, it bounces up and down, causing the vibrating sounds you hear. Why does my toilet sound like a helicopter? A worn-out flapper will allow water to leak into the bowl of the toilet, causing a slow leak within the tank. When the tank refills,...