Cooling System Draining, Vacuum Filling and Bleeding

Special Tool(s) / General Equipment 

Fluid Container
Cooling System Vacuum Tester and Refiller

Materials 

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

Draining 

• 1.
  
  
  WARNING: Before beginning any service procedure in this service information, 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.
  
  

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  WARNING: When releasing the cooling system pressure, cover the coolant expansion tank cap with a thick cloth.

  Remove the pressure relief cap.

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• 3.
  
  Refer to: Jacking and Lifting - Overview .

• 4.
  
  
  NOTE: If equipped.

  Remove the retainers and the shield.

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• 5.
  
  
  NOTE: If equipped.

  Remove the retainers and the underbody shield.

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• 6.
  
  Remove the pin-type retainers, the screws and the lower radiator air deflector.

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• 7.
  
  

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  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

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Filling 

• 1.
  
  Close the radiator drain valve.

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• 2.
  
  Install the lower radiator air deflector, the pin-type retainers and the screws.

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• 3.
  
  
  NOTE: If equipped.

  Install the underbody shield and the retainers.

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• 4.
  
  
  NOTE: If equipped.

  Install the shield and the retainers.

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• 5.
  
  Install the vacuum cooling system filler and follow the manufacturer's instructions to fill and bleed the cooling system.

  Use the General Equipment: Cooling System Vacuum Tester and Refiller

• 6.
  
  

  • 1.
    
    Measure the coolant concentration in the vehicle.

  • 2.
    
    Determine the concentration desired based on the vehicle duty cycle of extreme hot or cold operating conditions.

  • 3.
    
    Add/top off or adjust the coolant as follows:
  • For concentrations measured 48/52 to 50/50 (freeze protection -31°C to -37°C [-30°F to -34°F]), use Motorcraft® Orange Antifreeze/Coolant Prediluted to maintain a coolant concentration in this same range.

    Material

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

  • For all other concentrations, use Motorcraft® Orange Antifreeze/Coolant Concentrated and/or distilled water to get to the desired concentration.

    Material

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

  • When refilling the engine coolant after a flush procedure, use a mixture of Motorcraft® Orange Antifreeze/Coolant Concentrated and distilled water to get to the desired concentration.

• 7.
  
  Recommended coolant concentration is 48/52 to 50/50 (freeze protection -31°C to -37°C [-30°F to -34°F]) engine coolant to distilled water.

• 8.
  
  

  • 1.
    
    For extremely cold climates (less than -37°C [-34°F]):
  • It may be necessary to increase the coolant concentration above 50%.
  • NEVER increase the coolant concentration above 60%.
  • Maximum coolant concentration is 60/40 for cold weather areas.
  • A coolant concentration of 60% provides freeze point protection down to -50°C (-58°F).
  • Engine coolant concentration above 60% will decrease the overheat protection characteristics of the engine coolant and may damage the engine.

• 9.
  
  
  • For extremely hot climates:
  • It is still necessary to maintain the coolant concentration above 40%.
  • NEVER decrease the coolant concentration below 40%.
  • Minimum coolant concentration is 40/60 for warm weather areas.
  • Minimum coolant concentration is 40/60 for warm weather areas.
  • Engine coolant concentration below 40% will decrease the corrosion and freeze protection characteristics of the engine coolant and may damage the engine.

• 10.
  
  Vehicles driven year-round in non-extreme climates should use a 48/52 to 50/50 (freeze protection -31°C to -37°C [-30°F to -34°F]) mixture of engine coolant and distilled water for optimum cooling system and engine protection.

• 11.
  
  Fill the degas bottle to the MAX FILL line.

• 12.
  
  Install the degas bottle cap until it contacts the hard stop.

• 13.
  
  Turn the climate control system off.

• 14.
  
  Start the engine and increase the engine speed to 3, 500 rpm and hold for 30 seconds.

• 15.
  
  Turn the engine off for and wait for 1 minute to purge any large air pockets from the cooling system.

• 16.
  
  
  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 degas bottle and if necessary fill to the top of the MAX FILL line on the degas bottle if the engine is warm or to the top of the MIN FILL LEVEL if the engine is cold.

• 17.
  
  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.

• 18.
  
  Increase the engine speed to 3, 500 rpm and hold for 30 seconds.

• 19.
  
  Allow the engine to idle for 30 seconds.

• 20.
  
  Turn the engine off for 1 minute.

• 21.
  
  Repeat steps  18 through  20 a total of 5 times to remove any remaining air trapped in the system.

• 22.
  
  
  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 degas bottle and if necessary fill to the top of the MAX FILL line on the degas bottle.

• 23.
  
  Tighten the pressure relief cap until at least 1 audible click is heard.

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