How to bleed the coolant system after water pump replacement? A: Use the manual’s vacuum fill procedure – running the heater pump via output test mode (VCDS → Engine → Output Tests → Coolant Circulation Pump). Otherwise, air pockets cause overheating.
Maintaining your Audi A6 C7 with a bit of knowledge and foresight can save you a significant amount of money and ensure your vehicle runs smoothly for years to come. Audi A6 C7 Service Manual -