Originally Posted by kelisko

1. Disconnect the coolant return line.
2. Attach a flexible tube long enough to lead the extension to the floor, into a bottle.
3. Remove the coolant tank and tilt it up above the disconnected return line height. Coolant from the tank will be evacuated to the bottle on the floor.

The following video will give you an idea.

https://youtu.be/7_UC5njIOuw

Originally Posted by Klaus Von Richter

There is not enough room on the V10 to drain it the way you recommend. On the 3.2 you have all the room imaginable. On the 5.2 you can barely move the coolant tank out.

Originally Posted by kelisko

You are right. Look at this! 😅

Originally Posted by Klaus Von Richter

Yes, it’s very tight fit. Even with the air filter removed , you still have to work it out from its hole.

Originally Posted by kelisko

Dang!

Originally Posted by Klaus Von Richter

Its worth it for that sweet V10 sound.

Originally Posted by kelisko

I guess so! I applaud Audi for fitting that V10 into such a small engine bay. It is packed and maintenance would be complicated but there are a lot of benefits too.

Originally Posted by Klaus Von Richter

Maintenance can be a struggle. So many things require you to pull the engine like O2 sensors. It’s a reliable engine though.

Originally Posted by jseklund

Although, with an engine like that you don't pull the engine from the car, you remove the car from the engine.