This high-performance cleaner from LIQUI MOLY is designed to thoroughly remove scale, rust, and other deposits that can accumulate in your car's cooling system. Over time, these contaminants can impede heat transfer, leading to reduced efficiency and potential overheating issues. By using the LIQUI MOLY Cooling System Cleaner, you can restore the cooling system to its optimal working condition. It helps to ensure that your engine runs at the correct temperature, which is crucial for performance, fuel efficiency, and longevity. Regular use of this cleaner can prevent costly repairs associated with cooling system failures. It is compatible with all types of coolants and is safe for use in all passenger cars and commercial vehicles.