Gross Becher Radiator Crack Remover prevents rust and congestions. Swiftly removes radiator leaks. Suitable for gasoline and diesel engines. Safe for metal and rubber components.
Use: Shake the bottle well, then open the lid of the radiator when it is cool. Start the engine and pour the crack remover into slowly. Cover the lid. Turn on the heater and operate the engine at high speed for 15 minutes.