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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 415 (Engine Cooling - 5.0L 32V Ti-VCT) >> General Procedures >> Engine Cooling System Draining, Vacuum Filling and Bleeding >> Filling

Engine Cooling System Draining, Vacuum Filling and Bleeding: Filling

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Filling and Bleeding with a Vacuum Cooling System Filler 

    • NOTE: Use the correct coolant. Do not mix coolant types. Mixing coolant types may degrade the coolant corrosion protection and may damage the engine or cooling system. For the correct coolant specified for this vehicle, refer to Specifications .
      NOTE: Engine coolant provides boil protection, corrosion protection, freeze protection, and cooling efficiency to the engine and cooling components. In order to obtain these protections, maintain the engine coolant at the correct concentration and fluid level in the degas bottle.
      NOTE: Do not add alcohol, methanol, or brine, or any engine coolants mixed with alcohol or methanol antifreeze. These can cause engine damage from overheating or freezing.
      NOTE: Ford Motor Company does NOT recommend the use of recycled engine coolant since a Ford-approved recycling process is not yet available.

      When adding or topping off the engine coolant:

    • Measure the coolant concentration in the vehicle. Use Special Service Tool: ROB75240 Coolant/Battery Refractometer (Fahrenheit).

    • Determine the concentration desired based on the vehicle duty cycle of extreme hot or cold operating conditions.

    • Add, top-off or adjust the coolant to the correct concentration. Refer to: Specifications .

  2. Close the radiator drain valve.
    GFD462050Courtesy of FORD MOTOR COMPANY
  3. Install the vacuum cooling system filler and follow the manufacturer's instructions to fill and bleed the system. Use the General Equipment: Cooling System Vacuum Tester and Refiller
  4. Fill the degas bottle to the MAX FILL line.
  5. Install the degas bottle cap until it contacts the hard stop.
  6. Turn the climate control system off.
  7. Start the engine and increase the engine speed to 3, 500 rpm and hold for 30 seconds.
  8. Turn the engine off and wait for 1 minute to purge any large air pockets from the cooling system.
  9. WARNING: Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.

    Check the engine coolant level in the degas bottle and if necessary fill to the top of the MAX FILL line on the degas bottle.

  10. Start the engine and let it idle until the engine reaches normal operating temperature and the thermostat is fully open. A fully open thermostat is verified by the cooling fan cycling on at least once.
  11. Increase the engine speed to 3, 500 rpm and hold for 30 seconds.
  12. Allow the engine to idle for 30 seconds.
  13. Turn the engine off for 1 minute.
  14. Repeat steps 11 through 13 a total of 10 times to remove any remaining air trapped in the system.
  15. WARNING: Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.

    Check the engine coolant level in the degas bottle and, if necessary, fill to the top of the MAX FILL line on the degas bottle.

  16. Install the pressure relief cap until it contacts the hard stop.
    GFD462051Courtesy of FORD MOTOR COMPANY

    Filling and Bleeding without a Vacuum Cooling System Filler 

    NOTE: If the cooling system has been opened with minimal coolant loss follow steps 30 through 42. 
    • NOTE: Use the correct coolant. Do not mix coolant types. Mixing coolant types may degrade the coolant corrosion protection and may damage the engine or cooling system. For the correct coolant specified for this vehicle, refer to Specifications 
      NOTE: Engine coolant provides boil protection, corrosion protection, freeze protection, and cooling efficiency to the engine and cooling components. In order to obtain these protections, maintain the engine coolant at the correct concentration and fluid level in the degas bottle.
      NOTE: Do not add alcohol, methanol, or brine, or any engine coolants mixed with alcohol or methanol antifreeze. These can cause engine damage from overheating or freezing.
      NOTE: Ford Motor Company does NOT recommend the use of recycled engine coolant since a Ford-approved recycling process is not yet available.

      When adding or topping off the engine coolant:

    • Measure the coolant concentration in the vehicle. Use Special Service Tool: ROB75240 Coolant/Battery Refractometer (Fahrenheit).

    • Determine the concentration desired based on the vehicle duty cycle of extreme hot or cold operating conditions.

    • Add, top-off or adjust the coolant to the correct concentration. Refer to: Specifications .

  18. Close the radiator drain valve.
    GFD462050Courtesy of FORD MOTOR COMPANY
  19. WARNING: Be prepared to collect escaping fluid.

    Disconnect the transmission fluid cooler coolant inlet hose.

    GFD462211Courtesy of FORD MOTOR COMPANY
  20. Fill the degas bottle to the indicated level.
    GFD462212Courtesy of FORD MOTOR COMPANY
  21. Connect the transmission fluid cooler coolant inlet hose after coolant begins to flow out of the hose.
    GFD462211Courtesy of FORD MOTOR COMPANY
  22. Fill the degas bottle to the indicated level (if not previously performed).
    GFD462212Courtesy of FORD MOTOR COMPANY
  23. Install the degas bottle cap until it contacts the hard stop.
  24. Turn the climate control system off.
  25. Start the engine and increase the engine speed to 3, 500 rpm and hold for 30 seconds.
  26. Turn the engine off and wait for 1 minute to purge any large air pockets from the cooling system.
  27. WARNING: : Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.

    Check the engine coolant level in the degas bottle and if necessary fill to the top of the MAX FILL line on the degas bottle.

    GFD462212Courtesy of FORD MOTOR COMPANY
  28. Start the engine and let it idle until the engine reaches normal operating temperature and the thermostat is fully open. A fully open thermostat is verified by the cooling fan cycling on at least once.
  29. Increase the engine speed to 3, 500 rpm and hold for 30 seconds.
  30. Allow the engine to idle for 30 seconds.
  31. Turn the engine off for 1 minute.
  32. Repeat steps 29 through 31 a total of 10 times to remove any remaining air trapped in the system.
  33. WARNING: : Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.

    Check the engine coolant level in the degas bottle and, if necessary, fill to the top of the MAX FILL line on the degas bottle.

  34. Install the pressure relief cap until it contacts the hard stop.
GFD462213Courtesy of FORD MOTOR COMPANY
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