Hi,
I've just spent a few hours in searching my car and the internet to see how to drain/flush/replace the coolant from my V6 3.2 FSI. I could find no information specific to (and matching) my car (Passat B6) with this engine, nor the 3.6 FSI, nor the 3.2 V6 in an Audi. I don't have a stop-cock...