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Home >> Ford >> 2012 >> Explorer Base, 2.0 9 >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> General Procedures >> Cooling System Flushing >> General Procedure
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General Procedure

  1. Add cooling system flush to the cooling system and follow the directions on the package.
  2. Drain the cooling system:

    REFER to Cooling System Draining, Filling and Bleeding - 2.0L GTDI , or

    REFER to Cooling System Draining, Filling and Bleeding - 3.5L Ti-VCT .

  3. Remove the radiator:

    REFER to Radiator - 2.0L GTDI , or

    REFER to Radiator - 3.5L Ti-VCT .

  4. NOTE: Radiator internal pressure must not exceed 137.9 kPa (20 psi), or the radiator can be damaged

    Backflush the radiator with the radiator in an upside-down position with a high-pressure hose in the lower hose location and backflush.

  5. For 2.0L GTDI, remove the thermostat housing or for 3.5L Ti-VCT remove the thermostat:

    REFER to Thermostat Housing - 2.0L GTDI , or

    REFER to Thermostat - 3.5L Ti-VCT .

  6. Position the high-pressure water hose into the engine through the upper radiator hose and backflush the engine.
  7. For 2.0L GTDI, install the thermostat housing or for 3.5L Ti-VCT install the thermostat:

    REFER to Thermostat Housing - 2.0L GTDI , or

    REFER to Thermostat - 3.5L Ti-VCT .

  8. Install the radiator:

    REFER to Radiator - 2.0L GTDI , or

    REFER to Radiator - 3.5L Ti-VCT .

  9. Fill and bleed the cooling system:

    REFER to Cooling System Draining, Filling and Bleeding - 2.0L GTDI , or

    REFER to Cooling System Draining, Filling and Bleeding - 3.5L Ti-VCT .