How to properly flush the radiator in an Audi 80?

I've noticed my Audi 80's radiator is not functioning properly and needs to be flushed. How can I do it properly to avoid any damage to the car?

First, locate the drain valve on your radiator and open it carefully. This will drain out all the fluid from the radiator. Then, fill the radiator with a mixture of water and radiator flush solution, according to the manufacturer's instructions. Allow the solution to run through the system for at least 10 minutes before draining it out. Repeat this process until the drained solution is clear and free of dirt and debris.

Another method to flush your Audi 80's radiator is by using a garden hose. Remove the upper and lower radiator hoses and attach the garden hose to the lower port. Turn on the water and allow it to run through the radiator until it comes out clean. Then, reattach the hoses and refill the radiator with a mixture of water and antifreeze. Make sure to properly bleed the air out of the system.

In addition to flushing the radiator, it's also important to check the condition of other cooling system components, such as the thermostat and water pump. If these are not functioning properly, it can cause issues with your Audi 80's radiator and overall cooling system.