How many liters of pure antifreeze must be passat w8?

To determine how many liters of pure antifreeze are needed for a Passat W8, you would typically need to refer to the vehicle's owner manual or service specifications, as it varies based on the model year and specific cooling system requirements. Generally, a passenger vehicle like the Passat may require anywhere from 6 to 10 liters of coolant, including antifreeze. It's essential to mix the antifreeze with water according to the manufacturer's recommendations for optimal performance. Always check the specific requirements for your vehicle model.