Why does my Audi 80 engine make a ticking noise when I start it?

I've noticed that my Audi 80's engine has been making a loud ticking noise when I start it. It seems to go away after a few minutes of driving. What could be causing this and is it something I should be concerned about?

The ticking noise is most likely caused by a faulty valve lifter or worn out bearings. It's not a major issue, but it's important to have it checked out and repaired to prevent further damage to your engine.

The ticking noise could also be caused by a loose or damaged exhaust manifold, which can be a safety hazard. It's best to have it inspected and repaired by a certified mechanic to avoid any potential dangers.

In some cases, the ticking noise could be due to a loose belt or faulty tensioner. This can be easily fixed by tightening or replacing the belt and tensioner, but it's important to address the issue to avoid any further damage to your vehicle.