MANNOL 9965 Radiator Flush
MANNOL Radiator Flush is a special cleaner for the removal of rust and scale, e.g. limescale. It is a chemical transmitter of scale with active detergent components. It is absolutely neutral towards metal, rubber and plastic separate parts of the cooling system. It has high anticorrosive and acid-neutralising properties. This product is designed for any cooling system and any interior heating.
Add content of the bottle into the cooling system, turn on the heater and run the engine at idle for 10-30 minutes. Drain and rinse the system with water, then fill the radiator with a new coolant.