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Engine Cooling System Flushing

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Special Tool(s) / General Equipment 

GFD357828Courtesy of FORD MOTOR COMPANY
 303-1525
Flusher, Engine
Hose Clamp(s)
Hose Clamp Remover/Installer

Materials 

Name Specification
Motorcraft® Orange Prediluted Antifreeze/Coolant
VC-3DIL-B		 WSS-M97B44-D2
Motorcraft® Orange Concentrated Antifreeze/Coolant
VC-3-B		 WSS-M97B44-D

Activation 

NOTE: Use this procedure only for 150, 000 mile / 10 year scheduled maintenance coolant replacement.
  1. WARNING: 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. NOTE: Do not perform the cooling system filling and bleeding procedure after installing a new coolant filter.

    Refer to: Coolant Filter .

  3. Use the General Equipment: Hose Clamp(s). Use the General Equipment: Hose Clamp Remover/Installer
    GFD357829Courtesy of FORD MOTOR COMPANY
  4. GFD357638Courtesy of FORD MOTOR COMPANY
  5. GFD357830Courtesy of FORD MOTOR COMPANY
  6. Use the General Equipment: Hose Clamp(s). Use the General Equipment: Hose Clamp Remover/Installer
    GFD357831Courtesy of FORD MOTOR COMPANY
  7. NOTE: Use Flusher, Ford Engine 303-1525 or a commercially available coolant exchanger.

    Drain hose. Install Special Service Tool: 303-1525 Flusher, Engine. Use the General Equipment: Hose Clamp Remover/Installer

    GFD357832Courtesy of FORD MOTOR COMPANY
  8. NOTE: Use Flusher, Ford Engine 303-1525 or a commercially available coolant exchanger.

    Fill hose. Install Special Service Tool: 303-1525 Flusher, Engine.

    GFD357833Courtesy of FORD MOTOR COMPANY
  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. Use Special Service Tool: 303-1525 Flusher, Engine. Use the General Equipment: Hose Clamp(s)

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

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

    GFD357834Courtesy of FORD MOTOR COMPANY
  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. Use the General Equipment: Hose Clamp(s). Use the General Equipment: Hose Clamp Remover/Installer

    Temperature: -58 --15 deg.F (-50 --26 deg.C)

    GFD357835Courtesy of FORD MOTOR COMPANY
  11. Use the General Equipment: Hose Clamp Remover/Installer
    GFD357836Courtesy of FORD MOTOR COMPANY
  12. Remove Special Service Tool: 303-1525 Flusher, Engine.
    GFD357833Courtesy of FORD MOTOR COMPANY
  13. Use the General Equipment: Hose Clamp Remover/Installer
    GFD357837Courtesy of FORD MOTOR COMPANY
  14. Use the General Equipment: Hose Clamp(s)
    GFD357838Courtesy of FORD MOTOR COMPANY
  15. NOTE: Be prepared to capture escaping fluid.
    GFD357839Courtesy of FORD MOTOR COMPANY
  16. NOTE: Be prepared to capture escaping fluid.

    Use the General Equipment: Hose Clamp(s)

    GFD357840Courtesy of FORD MOTOR COMPANY
  17. NOTE: Be prepared to capture escaping fluid.
    GFD357841Courtesy of FORD MOTOR COMPANY
  18. NOTE: Be prepared to capture escaping fluid.

    Use the General Equipment: Hose Clamp Remover/Installer

    GFD357842Courtesy of FORD MOTOR COMPANY
  19. NOTE: Be prepared to capture escaping fluid.

    Use the General Equipment: Hose Clamp Remover/Installer

    GFD357843Courtesy of FORD MOTOR COMPANY
  20. GFD357844Courtesy of FORD MOTOR COMPANY
  21. Use the General Equipment: Hose Clamp Remover/Installer
    GFD357845Courtesy of FORD MOTOR COMPANY
  22. Use the General Equipment: Hose Clamp Remover/Installer
    GFD357846Courtesy of FORD MOTOR COMPANY
  23. Use the General Equipment: Hose Clamp Remover/Installer
    GFD357847Courtesy of FORD MOTOR COMPANY
  24. GFD357848Courtesy of FORD MOTOR COMPANY
  25. Use the General Equipment: Hose Clamp(s)
    GFD357849Courtesy of FORD MOTOR COMPANY
  26. GFD357830Courtesy of FORD MOTOR COMPANY
  27. GFD357638Courtesy of FORD MOTOR COMPANY
  28. Use the General Equipment: Hose Clamp(s)
    GFD357850Courtesy of FORD MOTOR COMPANY
  29. Refer to: Cooling System Filling and Bleeding .
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