GAT Radiator Sealant for use in all water-cooled, closed cooling systems (commercial vehicles, passenger cars, industrial heat exchangers). Reliably seals critical hairline cracks and small leaks - quick and easy. Also for preventive usage.
1) Check the coolant level.
2) Add the product to the warm cooling system. Move all heater controls to “hot”.
3) Let the engine idle for approx. 10 minutes.
4) Check the coolant level again and test if the sealing was successful.
300ml sufficient for cooling systems of 12L capacity. For larger volumes add 25ml per litre of coolant.