• For transpiration-soaked head gaskets
• For non-tight hose connections
• For hairline cracks in the radiator, cylinder head, or engine block
• In case of coolant loss

instructions
Add to a warm engine. Open the heater valves. Let the engine run for at least 20 minutes until the thermostat opens. Then, switch off the engine, check the coolant level, absence of air, and leak tightness again. Sufficient for up to 5 liters of coolant.