Why does my Audi's engine keep making rattling noises?

I've noticed that whenever I start my Audi, the engine makes a loud rattling noise. It eventually fades after a minute or two, but it's quite concerning. What could be causing this and how do I fix it?

This rattling noise could be a sign of low oil levels in your engine. It's important to regularly check and top off your oil to ensure smooth engine operation and prevent potential damage. Also, make sure to use the correct grade of oil recommended by Audi.

Another common cause of engine rattling is worn or loose belts. Check the belts for any signs of wear or tension issues and have them replaced if necessary. This should eliminate the rattling noise and improve your engine's performance.

If neither of those solutions fix the rattling noise, it could be a problem with the timing chain or tensioner. You'll need to take your Audi to a certified mechanic to diagnose and repair this issue. Ignoring it could lead to more serious engine problems.