Cooling system sealants Wynn's W45644

Cooling System Stop Leak is a sealant used to stop small leaks in the radiator and cooling system. Properties: It stops and prevents small leaks in the radiator, engine unit, cooling and heating systems (diameter no more than 1.8 mm). It prevents rust and corrosion formation. It is safe for rubber hoses, seals and all metal parts of the cooling system. It is compatible with all anti-freezes and cooling fluids. Application: It is recommended for all water cooling systems of gasoline and diesel engines to stop small leaks. It can be used as a preventive measure. Instructions: If the cooling system is very dirty, it is recommended to clean it first with Wynn’s Cooling System Flush. Check the cooling fluid level. Start the engine, warm it up to the operating temperature (open the heater valve to maximum). Thoroughly shake and pour the product from can into the cooling system through the radiator filler or through the expansion tank if the radiator is fully closed. If necessary, top up the cooling fluid. Close the system and let the engine run for 5-10 minutes until the leakage stops. The substance in the can is enough for the cooling system of 5-12 liters.