All Transporter and T4 VW on 1980-2003, approximately 13 liters in one to Transporter and 15 liters in T4, to replace every 24 months.
This standard coolant -26°C can be used throughout the whole year in the cooling systems of petrol and diesel engines. This coolant should be diluted before use and protects against freezing down to -26 ºC.