A hi-tech additive, designed to provide Triple-Action servicing of the engine cooling system: 1. Repairing small leaks. 2. Lubricating the water pump. 3. Keeping the system clean and protected. This additive protects leaks in the head gasket, heater core, radiator, heater matrix, freeze plug and water pump casing. The sealer postpones a radiator repair and can be applied in liquid cooled engines of cars, motorbikes, commercial vehicles and agricultural machinery. It can also be applied as preventive action to ensure a good condition of the cooling system. No draining or flushing of the cooling system is required.