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Home >> Ford >> 2023 >> Escape Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1105 (Engine Cooling - 3.3L DURATEC-V6 - Hybrid (BP)) >> General Procedures >> Engine Cooling System Draining, Vacuum Filling And Bleeding

Engine Cooling System Draining, Vacuum Filling And Bleeding

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Special Tool(s) / General Equipment 

GFD658261Courtesy of FORD MOTOR COMPANY
 ROB75240 Coolant/Battery Refractometer (Fahrenheit)
Fluid Container
Cooling System Vacuum Tester and Refiller

Draining 

NOTE: The coolant must be recovered in a suitable, clean container for reuse. If the coolant is contaminated, it must be recycled or disposed of correctly. Using contaminated coolant may result in damage to the engine or cooling system components.
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, refers to Specification.
NOTE: Always fill the cooling system with the manufacturer's specified coolant. Chemically flush the cooling system if a non-specified coolant has been used. Refer to ENGINE COOLING SYSTEM FLUSHING  . Failure to follow these instructions may damage the engine or cooling system.
NOTE: During normal vehicle operation, coolant can change color. As long as the engine coolant is clear and uncontaminated, this color change does not indicate the engine coolant has degraded nor does it require the engine coolant to be drained, the system to be flushed, or the engine coolant to be replaced.
NOTE: Less than 80% of coolant capacity can be recovered with the engine in the vehicle. Dirty, rusty or contaminated coolant requires replacement.
  1. GFD658369Courtesy of FORD MOTOR COMPANY
    GFD123035Courtesy of FORD MOTOR COMPANY
    WARNING: When releasing the cooling system pressure, cover the coolant expansion tank cap with a thick cloth.

    Remove the pressure relief cap.

    GFD658370Courtesy of FORD MOTOR COMPANY
  2. With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
  3. Remove the retainers and the engine underbody shield.
    GFD658264Courtesy of FORD MOTOR COMPANY
  4. Release the clip and position the radiator air deflector aside.
    GFD658265Courtesy of FORD MOTOR COMPANY
  5. GFD658369Courtesy of FORD MOTOR COMPANY
    WARNING: Be prepared to collect escaping fluid.

    Connect a hose to drain the coolant. Open the radiator drain valve and drain the engine coolant in a suitable, clean container. Use the General Equipment: Fluid Container

GFD658266Courtesy of FORD MOTOR COMPANY

Filling 

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, refers to Specification.
      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.
    GFD658267Courtesy of FORD MOTOR COMPANY
  3. Position the radiator air deflector and install the clip.
    GFD658265Courtesy of FORD MOTOR COMPANY
  4. Install the engine underbody shield and the retainers.
    GFD658264Courtesy of FORD MOTOR COMPANY
  5. Install the vacuum cooling system filler and follow the manufacturer's instructions to fill the cooling system. Refer to: SPECIFICATIONS . Use the General Equipment: Cooling System Vacuum Tester and Refiller
  6. Fill the degas bottle to the MAX FILL line.
  7. Install the degas bottle cap until at least 1 audible click is heard.
  8. Press the brake and press the START button.
  9. Turn the climate control system off.
  10. Enter the cooling system fill mode.

    • Press the brake pedal for 10 seconds, release.

    • Press the brake pedal for 10 seconds, release.

    • Press the accelerator pedal to 100% for 10 seconds.

  11. Increase the engine speed to 3, 500 rpm and hold for 30 seconds.
  12. Turn the engine off and wait for 1 minute to purge any large air pockets from the cooling system.
  13. 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 main degas bottle.

  14. Turn the vehicle "ON" to engage in "Ready to Drive" state.
  15. Enter the cooling system fill mode.

    • Press the brake pedal for 10 seconds, release.

    • Press the brake pedal for 10 seconds, release.

    • Press the accelerator pedal to 100% for 10 seconds.

  16. Change the drive mode to "Deep Sand/Snow" setting.
  17. 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.

  18. Increase the engine speed to 3, 500 rpm and hold for 30 seconds.
  19. Allow the engine to idle for 30 seconds.
  20. Switch the "Drive Mode" to \"Normal\" mode and allow the engine to turn off.
  21. Wait 1 minute with the engine off. Switch the drive mode to "Deep Sand/Snow" setting.
  22. Repeat steps 18 through 21 a total of 10 times to remove any remaining air trapped in the system.
  23. 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.

  24. Install the degas bottle cap until at least 1 audible click is heard.
    GFD658371Courtesy of FORD MOTOR COMPANY

    Filling and Bleeding without 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, refers to Specification.
      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  .

  26. Close the radiator drain valve.
    GFD658267Courtesy of FORD MOTOR COMPANY
  27. Position the radiator air deflector and install the clip.
    GFD658265Courtesy of FORD MOTOR COMPANY
  28. Install the engine underbody shield and the retainers.
    GFD658264Courtesy of FORD MOTOR COMPANY
  29. Fill the degas bottle to the MAX FILL line. Refer to: Specifications  .
  30. Install the degas bottle cap until at least 1 audible click is heard.
  31. Press the brake and press the START button.
  32. Turn the climate control system off.
  33. Enter the cooling system fill mode.

    • Press the brake pedal for 10 seconds, release.

    • Press the brake pedal for 10 seconds, release.

    • Press the accelerator pedal to 100% for 10 seconds.

  34. Increase the engine speed to 3, 500 rpm and hold for 30 seconds.
  35. Turn the engine off and wait for 1 minute to purge any large air pockets from the cooling system.
  36. 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 main degas bottle.

  37. Turn the vehicle "ON" to engage in "Ready to Drive" state.
  38. Enter the cooling system fill mode.

    • Press the brake pedal for 10 seconds, release.

    • Press the brake pedal for 10 seconds, release.

    • Press the accelerator pedal to 100% for 10 seconds.

  39. Change the drive mode to "Deep Sand/Snow" setting.
  40. 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.

  41. Increase the engine speed to 3, 500 rpm and hold for 30 seconds.
  42. Allow the engine to idle for 30 seconds.
  43. Switch the "Drive Mode" to \"Normal\" mode and allow the engine to turn off.
  44. Wait 1 minute with the engine off. Switch the drive mode to "Deep Sand/Snow" setting.
  45. Repeat steps 41 through 44 a total of 10 times to remove any remaining air trapped in the system.
  46. 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.

  47. Install the degas bottle cap until at least 1 audible click is heard.
GFD658371Courtesy of FORD MOTOR COMPANY
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