Cooling System Flushing

Cooling System Flushing

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

Material(s)






General Procedure

NOTE: A pulsating or reverse direction of flushing water will loosen sediment more quickly than a steady flow in the normal coolant flow direction. Dispose of old coolant and flushing water contaminated with antifreeze and cleaning chemicals in accordance with local, state or federal laws.

1. Add Motorcraft(R) Premium Cooling System Flush to the cooling system and follow the directions on the package.

2. Remove the radiator. REFER to Radiator - 2.0L GDI .

3. NOTICE: Radiator internal pressure must not exceed 137.9 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.

4. Remove the thermostat housing. REFER to Thermostat Housing - 2.0L GDI .

5. Position a high pressure water hose into the upper radiator hose and backflush the engine.

6. Install the thermostat. REFER to Thermostat Housing - 2.0L GDI .

7. Install the radiator. REFER to Radiator - 2.0L GDI .

8. Fill and bleed the cooling system. REFER to Cooling System Filling And Bleeding - With A Vacuum Cooling System Filler or REFER to Cooling System Filling And Bleeding - Without A Vacuum Cooling System Filler .