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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> General Procedures >> Cooling System Draining, Filling and Bleeding >> Filling and Bleeding without RADIATOR REFILLER

Filling and Bleeding without RADIATOR REFILLER

NOTE: Engine coolant provides freeze protection, boil protection, cooling efficiency and corrosion protection to the engine and cooling components. In order to obtain these protections, the engine coolant must be maintained at the correct concentration and fluid level. When adding engine coolant, use a 50/50 mixture of engine coolant and clean, distilled water.
To maintain the integrity of the coolant and the cooling system:
  • Add the correct coolant type to the engine cooling system. Early build vehicle (built before January 19, 2009) cooling systems are filled with Motorcraft® Premium Gold Engine Coolant. Late build vehicle (built on or after January 19, 2009) cooling systems are filled with Motorcraft® Specialty Green Engine Coolant. Mixing different coolant types (Motorcraft® Specialty Orange Engine Coolant, Motorcraft® Premium Gold Engine Coolant, Motorcraft® Premium Engine Coolant or Motorcraft® Specialty Green Engine Coolant) degrades the corrosion protection of the original coolant. Do not mix any type of coolants.
  • 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.
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 may clog or damage the cooling system, resulting in degraded cooling system performance and/or failure.
NOTE: For vehicles equipped with an optional rear heater, RADIATOR REFILLER must be used whenever the underbody coolant lines and/or rear heater core are drained or removed.
  1. Open the degas bottle cap and fill the degas bottle to the MAX fill line.
  2. Close the degas bottle cap.
    3. NOTE: If the engine overheats or the fluid level drops below the minimum fill line, shut off the engine and add fluid to the degas bottle maximum fill line once the engine cools.
  3. Start the engine and let idle for 10 minutes or until the engine reaches normal operating temperature.
  4. Repeat Step  3 if necessary.
  5. Start the engine and turn the heater to the MAX position.
    6. NOTE: If the engine overheats or the fluid level drops below the minimum fill line, shut off the engine and add fluid to the degas bottle maximum fill line once the engine cools.
  6. Run the engine at 2,500 rpm for 10 minutes.
  7. Repeat Step  6 if necessary.
    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.
  8. Check the engine coolant level in degas bottle and fill as necessary.
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