Cooling System Draining and Filling (Static Fill)

Cooling System Draining and Filling (Static Fill With HP5)

Draining Procedure

Warning

In order to avoid personal injury, do not remove the cap or open the cooling system drains from a hot system. Allow the system to cool first.





Note: A 7.6 liter (8 qt) coolant container will be needed.

1. Place the coolant container under the radiator drain cock located at the bottom of the left radiator end tank.
2. Open the drain cock and drain the coolant. A small amount of coolant will drain from the system.




3. Remove the pressure cap (1) from the radiator inlet hose and the coolant will drain from the system.
4. Inspect the coolant.
5. Follow the appropriate procedure based on the condition of the coolant.

* Normal in appearance--follow the filling procedure.
* Discolored--follow the flush procedure. Refer to Coolant System Flushing (With HP5) (Service and Repair)Coolant System Flushing (Without HP5) (Service and Repair)

Filling Procedure

Caution: All entrapped air must be purged from the powertrain cooling system before the final coolant level can be determined. Proper coolant level is critical to avoid engine damage.



Note: The vehicle must be level when filling the cooling system.

1. Slowly add a mixture of 50/50 DEX-COOL antifreeze and de-ionized water to the service fill port on the radiator inlet hose. Fill the cooling system with approximately 4 liters (4.2 qts) of the coolant mixture. If 4 liters (4.2 qts) of coolant can not be added through the service fill port, add as much coolant mixture as possible to the coolant overflow reservoir, but do not exceed the full hot level indicator.
2. Install the pressure cap.
3. Start the engine and check for leaks.
4. Run the engine and cycle the vehicle from idle to 3,000 RPM in 30 second intervals until the engine cooling fan comes ON, the engine cooling fan turns ON at approximately 102°C (216°F). Repeat this process twice before the engine is turned OFF.
5. Return the engine to idle, and idle for 30 seconds and then turn the engine OFF.




6. Allow the vehicle to cool, before adding additional coolant.
7. Add coolant to the coolant overflow reservoir and fill to the full hot level indicator (1).

Note: The level in the coolant overflow reservoir will return into the cold fill indicator (2) once the vehicle cools.

8. Add additional coolant to the coolant overflow reservoir if the level falls below the cold fill indicator (2).