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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 792 (Engine Cooling System - F250-F550) >> General Procedures >> Cooling System Draining, Filling and Bleeding >> Filling and Bleeding without RADKITPLUS

Filling and Bleeding without RADKITPLUS

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: 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 in the degas bottle. Failure to follow these instructions may result in damage to the cooling system.

When adding engine coolant, use a 50/50 mixture of engine coolant and distilled water.

To maintain the integrity of the coolant and the cooling system:

  • add Motorcraft Premium Gold Engine Coolant with Bittering Agent. Always fill the cooling system with the same type of coolant that was drained from the system. Do not mix coolant types.
  • do not add orange-colored Motorcraft Specialty Orange Engine Coolant with Bittering Agent (US). Mixing coolants may degrade the coolant's corrosion protection.
  • do not add alcohol, methanol, brine or any engine coolants mixed with alcohol or methanol antifreeze. These can cause engine damage from overheating or freezing.
    CAUTION: With the engine cold, fill vehicles to within the cold fill range shown on the degas bottle. This fill level will allow for coolant expansion. Overfilling the degas bottle may result in damage to the pressure cap, which can cause the engine to overheat.
  1. Fill the engine cooling system via the degas bottle until coolant level is between the coolant fill level marks.
  2. Run the engine at 2,000 rpm for 5 minutes, until it reaches operating temperature.
  3. Turn off the engine and allow the cooling system to cool.
  4. Add the correct engine coolant mixture to the degas bottle until the coolant level is between the COOLANT FILL LEVEL marks.
    5. NOTE: If the air discharge remains cool and the engine coolant temperature gauge does not move, the engine coolant level is low in the engine and must be filled. Stop the engine, allow to cool and fill the cooling system as described.
  5. Start the engine and allow it to idle until normal operating temperature is reached. Hot air should discharge from the A/C vents with the climate control setting to full heat. The engine coolant temperature gauge should maintain a stabilized reading in the middle of the NORMAL range and the upper radiator hose should feel hot to the touch.
  6. Repeat Steps 3 through 5 until the degas bottle is at the correct level.
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