What causes strange noises in my Audi 80's engine?

I have noticed strange noises coming from my Audi 80's engine when it's idling or while driving. It sounds like a rattling or a clicking noise. What could be the cause of this and how can I fix it?

The most common cause of strange noises in an Audi 80 engine is a faulty timing belt. It may be loose or worn out, causing it to make strange noises. It's important to have it checked and replaced if needed, as a broken timing belt can cause serious damage to your engine.

Another possible cause of strange noises could be a problem with the valves. They may be loose or damaged, causing them to make a rattling sound. This can happen due to wear and tear over time. It's best to have a mechanic take a look and fix any issues with the valves.

It's also possible that the noise is coming from a faulty serpentine belt. This belt drives multiple components in the engine and if it's worn out or damaged, it can make strange noises. Have it inspected and replaced if needed.