Wynns Radiator Stop Leak

• Warm up the engine with heater control in HOT position. • Shake bottle well and add contents to the cooling system via the expansion tank if part of the system circuit (2 hoses: out and return) or directly into the radiator if a single hose overflow tank is fitted. • Top up the system with coolant if required. • Run engine for approximately 5 minutes to circulate and stop leaks. • Contents treat a cooling system from 5 to 12 litres. • If the coolant is dirty, flush system with Wynn’s Radiator Flush and refill with new coolant before treatment with Radiator Stop Leak.