What type of sound is your toilet making when you flush? Sometimes a high-pitch whining noise when your toilet tank is filling up may be something simple, like a partially closed valve. But usually the problem may very well be one or more parts within the toilet assembly. It may just need a cleaning or replacement. To diagnose the cause of the noise, you first need to troubleshoot the simplest repairs before replacing the entire assembly. For more info on toilet repair give us a call – we can certainly help you trouble shoot some of the basics.