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.
Rules:
1) Check the coolant level.
2) Add the product to the hot cooling system.
3) Run the engine for about 10 minutes
4) Re-check the coolant level and perform a leak test.
Attention:
Slowly open the radiator cap. There is a risk of burns.
Enough for up to 12 liters of coolant.