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

I have been experiencing engine overheating in my Audi 80 recently. I have been wondering what could be the most common cause of this issue and how I can fix it. Can someone please advise?

The most common cause of engine overheating in Audi 80 is a faulty cooling system. Check for any leaks or blockages in the radiator, hoses, or water pump. Also, make sure the coolant levels are correct.

Another possible cause of engine overheating in Audi 80 could be a malfunctioning thermostat. This component regulates the flow of coolant and can fail over time. Consider replacing it if necessary.