The answer to 'toilet repair making noise' is that a noisy toilet can be caused by a few common issues, such as a worn or loose flushing mechanism, a problem with the fill valve, or a blockage in the toilet's plumbing. Symptoms may include loud gurgling, whistling, or a running sound even after the toilet has been flushed.
For minor issues like a worn flapper or fill valve, this is often a DIY fix that can be resolved by replacing the part. However, if the noise is caused by a more complex problem like a blockage or plumbing issue, it's best to call in a professional plumber to diagnose and repair the problem properly.