What is the most common cause of engine overheating in the Audi 80?

My Audi 80's engine has been overheating frequently, even during short drives. What could be causing this and how can I fix it?

One of the most common reasons for engine overheating in Audi 80 is a malfunctioning radiator. It may be clogged or have leaks that need to be fixed.

Another possible cause could be a faulty water pump. It is responsible for circulating the coolant throughout the engine and a malfunction can lead to overheating.