Flushing

1. Drain the cooling system.

WARNING: DO NOT OPEN THE COOLING SYSTEM WHILE IT IS HOT OR WHILE THE ENGINE IS RUNNING.

2. Remove the water thermostat.
3. Install the water thermostat housing without the water thermostat.
4. Use cooling system Flush-All, Flush Kit Hardware Package and Drain Kit to flush the engine and radiator.

Use Ford Premium Cooling System Flush F1AZ-19A503-A or equivalent meeting Ford specification ESR-M14P7A.

5. Install the water thermostat.
6. Back flush the heater core if necessary.
7. Fill the cooling system.