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Cooling System Flushing: Activation

NOTE: Use this procedure only for 150, 000 mile/10 year scheduled maintenance coolant replacement.
  1. WARNING: Before beginning any service procedure in this information, REFER to ENGINE COOLING SYSTEM HEALTH AND SAFETY PRECAUTIONS . Failure to follow this instruction may result in serious personal injury.

    Refer to: ENGINE COOLING SYSTEM HEALTH AND SAFETY PRECAUTIONS .

  2. NOTE: Do not perform the cooling system filling and bleeding procedure after installing a new coolant filter.

    Refer to: COOLANT FILTER .

  3. General Equipment  : Hose Clamp(s)

    General Equipment  : Hose Clamp Remover/Installer

    G08590547
  4. G08065370
  5. G08056266
  6. General Equipment  : Hose Clamp(s)

    General Equipment  : Hose Clamp Remover/Installer

    G08590550
  7. NOTE: Use Flusher, Ford Engine 303-1525 or a commercially available coolant exchanger.

    Drain hose.

    Install Special Service Tool  : 303-1525 Flusher, Engine 

    General Equipment  : Hose Clamp Remover/Installer

    G08590551
  8. NOTE: Use Flusher, Ford Engine 303-1525 or a commercially available coolant exchanger.

    Fill hose.

    Install Special Service Tool  : 303-1525 Flusher, Engine 

    G08590552
  9. NOTE: Use Flusher, Ford Engine 303-1525 or a commercially available coolant exchanger. Do not exceed 138 kPa (20 psi) fluid pressure.
    NOTE: Collect drained coolant for proper disposal.

    Using 15L (15.8 qt) Motorcraft® Orange Antifreeze/Coolant Prediluted or a 50/50 mixture of Motorcraft® Orange Antifreeze/Coolant Concentrate and distilled water, exchange the coolant in the battery loop.

    Special Tool(s)  : 303-1525 Flusher, Engine 

    General Equipment  : Hose Clamp(s)

    Material  : Motorcraft® Orange Antifreeze/Coolant Concentrated/VC-3-B (WSS-M97B44-D)

    Material  : Motorcraft® Orange Antifreeze/Coolant Prediluted/VC-3DIL-B (WSS-M97B44-D2)

    G08590553
  10. Test the coolant from the battery outlet hose after disconnecting the Flusher, Ford Engine or commercially available coolant exchanger with a refractometer.

    Temperature should be within the following range. If not, reattach the drain hose, reposition the clamping pliers and continue to exchange the coolant until the coolant tests within specification.

    Remove Special Service Tool  : 303-1525 Flusher, Engine 

    General Equipment  : Hose Clamp(s)

    General Equipment  : Hose Clamp Remover/Installer

    Temperature  : -58-15°F (-50-26°C)

    G08590554
  11. General Equipment  : Hose Clamp Remover/Installer
    G08590555
  12. Remove Special Service Tool  : 303-1525 Flusher, Engine 
    G08590552
  13. General Equipment  : Hose Clamp Remover/Installer
    G08590557
  14. General Equipment  : Hose Clamp(s)
    G08590558
  15. NOTE: Be prepared to capture escaping fluid.
    G08590559
  16. NOTE: Be prepared to capture escaping fluid.

    General Equipment  : Hose Clamp(s)

    G08590560
  17. NOTE: Be prepared to capture escaping fluid.
    G08590561
  18. NOTE: Be prepared to capture escaping fluid.

    General Equipment  : Hose Clamp Remover/Installer

    G08590562
  19. NOTE: Be prepared to capture escaping fluid.

    General Equipment  : Hose Clamp Remover/Installer

    G08590563
  20. G08590564
  21. General Equipment  : Hose Clamp Remover/Installer
    G08590565
  22. General Equipment  : Hose Clamp Remover/Installer
    G08590566
  23. General Equipment  : Hose Clamp Remover/Installer
    G08590567
  24. G08590568
  25. General Equipment  : Hose Clamp(s)
    G08590569
  26. G08056266
  27. G08065370
  28. General Equipment  : Hose Clamp(s)
    G08590572
  29. Refer to: COOLING SYSTEM FILLING AND BLEEDING .
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