Extreme Cooling System Degreaser

1. Add to the cooling system
2. One bottle treats up to 7 litres of coolant
3. Use when required

Add Wynn's Extreme Cooling System Degreaser directly into the radiator or via the expansion tank if part of the system circuit. Warm up the engine with the heater control in HOT position. Let the engine run at idle for 20 minutes. Stop the engine. Drain the system, flush with water, close the system and refill with water. Let the engine run at idle for 5 minutes. Heater still in HOT position. Stop the engine. Drain the system, flush with water until clear, close the system and refill with coolant. For engines with extremely heavy oil contamination a second treatment may be required. For rust and scale removal, please use Wynn’s Cooling System Flush. Add Wynn's Cooling System Stop Leak as a leak preventive agent.