The answer to 'toilet making noise' is that a noisy toilet can be caused by several common issues, such as a faulty toilet fill valve, a worn-out flapper, or a problem with the tank-to-bowl connections. These issues can lead to running water, whistling, or other sounds coming from the toilet.
If the noise is caused by a simple problem like a faulty fill valve or flapper, this is often a DIY fix that can be resolved by replacing the affected parts. However, if the noise is accompanied by leaks, persistent running water, or other more complex issues, it's best to call in a professional plumber to diagnose and resolve the problem properly.