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Home >> Ford >> 2013 >> Edge SEL, 2.0L Eng VIN 9 >> Repair and Diagnosis >> External Pages >> Different car >> Section 271 (Engine Cooling System) >> General Procedures >> Cooling System Draining, Filling and Bleeding >> Filling and Bleeding - 3.5L, 3.7L

Filling and Bleeding - 3.5L, 3.7L

WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the radiator splash shield, the 7 screws and the 3 push-pins.
    Fig 1: Locating Radiator Splash Shield Pins And Screws
    G06500619Courtesy of FORD MOTOR CO.
  2. NOTE: Use the vacuum cooling system filler to fill the cooling system, then carry out the remaining steps to bleed all the air from the cooling system. Failure to follow these instructions can leave air in the cooling system which may damage the engine or cooling system.
    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.
    To maintain the integrity of the coolant and the cooling system:
    • Add Motorcraft® Orange Antifreeze/Coolant or equivalent. Do not mix coolant types.
    • Do not add or mix with any other type of engine coolant. Mixing coolants may degrade the coolant's corrosion protection.
    • 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.
    • Ford Motor Company does NOT recommend the use of recycled engine coolant in vehicles originally equipped with Motorcraft® Orange Antifreeze/Coolant since a Ford-approved recycling process is not yet available.
    NOTE: Stop-leak style pellets/products must not be used as an additive in this engine cooling system. The addition of stop-leak style pellets/products can clog or damage the cooling system resulting in degraded cooling system performance and/or failure.

    Install the vacuum cooling system filler and follow the manufacturer's instructions to fill and bleed the cooling system. When adding or topping off the engine coolant:

    1. Measure the coolant concentration in the vehicle using Coolant/Battery Refractometer 300-ROB75240 or equivalent.
    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 (equates to a freeze point between -34°C (-30°F) and -37°C (-34°F)), use Motorcraft® Orange Antifreeze/Coolant Prediluted to maintain a coolant concentration in this same range (freeze protection down to -37°C [-34°F]).
      • For all other concentrations, use Motorcraft® Orange Antifreeze/Coolant Concentrated and/or distilled water to get to the desired concentration.
      • 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.
    4. Recommended coolant concentration is 48/52 to 50/50 (freeze protection -34°C (-30°F) and -37°C (-34°F)) engine coolant to distilled water.
    5. 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.
    6. 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.
      • A coolant concentration of 40% provides freeze point protection down to -34°C (-30°F).
      • Engine coolant concentration below 40% will decrease the corrosion and freeze protection characteristics of the engine coolant and may damage the engine.
    7. Vehicles driven year-round in non-extreme climates should use a 48/52 to 50/50 (freeze protection -34°C (-30°F) and -37°C (-34°F)) mixture of engine coolant and distilled water for optimum cooling system and engine protection.
      Fig 2: Checking Coolant Concentration Using Tool
      G07488253Courtesy of FORD MOTOR CO.
  3. Fill the degas bottle to 25 mm (0.984 in) above the COLD FILL line.
  4. Install the degas bottle cap until at least 1 audible click is heard.
  5. Turn the climate control system off.
  6. Start the engine and increase the engine speed to 3, 500 rpm and hold for 30 seconds.
  7. Turn the engine off for and wait for 1 minute to purge any large air pockets from the cooling system.
  8. 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 25 mm (0.984 in) above the top of the COLD FILL LEVEL on the degas bottle if the engine is warm or to the top of the COLD FILL LEVEL if the engine is cold.

  9. 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.
  10. Increase the engine speed to 3, 500 rpm and hold for 30 seconds.
  11. Allow the engine to idle for 30 seconds.
  12. Turn the engine off for 1 minute.
  13. Repeat steps  9 through  11 a total of 5 times to remove any remaining air trapped in the system.
  14. 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 25 mm (0.984 in) above the top of the COLD FILL LEVEL on the degas bottle if the engine is warm or to the top of the COLD FILL LEVEL if the engine is cold.

  15. Install the degas bottle cap until at least 1 audible click is heard.
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