The answer to 'plumbing repair making noise' is that there are several common causes, including loose or worn parts, water pressure issues, or mineral buildup. Symptoms may include banging, whistling, or screeching noises coming from the plumbing system. Solutions can range from simple DIY fixes to more complex repairs that require a professional plumber.
Some DIY solutions include tightening loose fittings, replacing worn washers or gaskets, or flushing the system to remove mineral deposits. However, if the noise is accompanied by leaks, low water pressure, or other serious issues, it's best to call in a licensed plumber to diagnose and repair the problem properly.