Rust and sludge will block radiator coolant tube to cause your vehicle overheat and possibly lead to costly repairs. This product helps to remove rust and sludge deposits, and neutralize harmful acids without neutralizer necessary; can be used as a radiator flush. Restore cooling system efficiency, and helps to prevent engine overheating.
Add this product into the radiator in the cold engine. Must not open the radiator when the engine temperature is high, or it will burn your hands. Start the engine and turn on the heater for 10 to 30 minutes. Then turn off the engine until the engine cool, and drain the fluid. Rinse it with clean water until the discharged water becomes clean. Re-add the coolant depends the regulations of the automobile factory.
For any question, please consult with technicians.