Engine Cooling System Flushing

For information on Ford Color Coded Illustrations refer to OEM COLOR CODING .

Materials 

Flushing 

1. WARNING: Before beginning any service procedure, refer to Safety Warnings in General Information . Failure to follow this instruction may result in serious personal injury.

   Refer to: Engine Cooling System Health and Safety Precautions .

2. Add Motorcraft Premium Cooling System Flush to the cooling system and follow the directions on the package.

   Material

   : Motorcraft® Premium Cooling System Flush / VC-1 (ESR-M14P7-A)

3. Remove the radiator. Refer to: Radiator .
4. NOTE: Radiator internal pressure must not exceed 138 kPa (20 psi), or the radiator may be damaged.

   Position the radiator with the upper radiator hose connection facing down. Use a high pressure water hose to backflush the radiator through the lower radiator hose connection.

5. Remove the thermostat housing. Refer to: Thermostat Housing .
6. Position a high pressure water hose into the upper radiator hose and backflush the engine.
7. Install the thermostat housing. Refer to: Thermostat Housing .
8. Install the radiator. Refer to: Radiator .
9. Fill and bleed the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .