What causes the engine overheating in an Audi 80?

I have noticed that my Audi 80's engine is overheating frequently. Even after changing the coolant and thermostat, the problem persists. What could be the root cause of this issue?

The most common cause of engine overheating in an Audi 80 is a faulty water pump. The pump is responsible for circulating the coolant throughout the engine, and if it malfunctions, the engine can overheat. I would recommend getting your water pump checked by a certified mechanic as soon as possible.

Another possible cause of engine overheating in your Audi 80 could be a faulty radiator fan. The fan is responsible for cooling the coolant as it passes through the radiator. If the fan is not functioning properly, the coolant won't be cooled, and the engine can overheat. I suggest getting your radiator fan checked and replaced if needed.