Why does my Vauxhall Corsa make a strange noise when I turn on the AC?

I've noticed that when I turn on the AC in my Vauxhall Corsa, there is a strange noise coming from the engine. What could be causing this and how can I fix it?

The most likely cause of this noise is a worn out AC belt. Over time, the belt can become loose or damaged, causing it to make a noise when the AC is turned on. This is an easy fix and you can replace the belt yourself or take it to a mechanic.

Another possibility is that there is an issue with the AC compressor. If the compressor is not functioning properly, it can also make a strange noise when the AC is turned on. It's best to take it to a mechanic for a proper diagnosis and repair.

It's always a good idea to check the air filters in your car to make sure they are clean. If they are dirty, they can make the AC work harder, which can result in a strange noise. Simply replace the filters to see if that solves the problem.

In some cases, the issue could be with the AC fan. This fan helps to circulate the cool air in your car and if it is not functioning properly, it can make a strange noise. It's best to get it checked by a mechanic to determine if it can be repaired or needs to be replaced.