Why does my Audi 80's engine make a rattling noise when starting?

Every time I start my Audi 80, I hear a rattling noise coming from the engine. This only lasts for a few seconds before the noise disappears. What could be causing this and should I be worried?

This can be a common issue with older Audi 80 models. The rattling noise is caused by a faulty timing chain tensioner. It is important to get this issue fixed as soon as possible to avoid any potential damage to the engine.