Cooling System: Service and Repair

Cooling System Draining, Filling and Bleeding

Service Repair No - 26.10.01

WARNING: Since injury such as scalding could be caused by escaping steam or coolant, do not remove the filler cap from the coolant expansion tank while the system is hot.

CAUTION: Engine coolant will damage the paint finished surfaces. If spilt, immediately remove the coolant and clean the area with water.

1. WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.

Position the vehicle on a lift.
2. Set the heater controls to HOT.
3. Disconnect the battery ground cable.
4. Remove the engine cover.

5. WARNING: Since injury such as scalding could be caused by escaping steam or coolant, do not remove the filler cap from the coolant expansion tank while the system is hot.

Remove the coolant expansion tank cap.





6. Remove the engine undershield.
7. Drain the coolant.
^ Position a container to collect the fluid.
^ Attach a hose to the radiator drain tap. Open the tap.





8. Close the radiator drain tap and remove the hose.
^ Remove the container.
9. Connect the battery ground cable.
10. Connect exhaust extraction hoses to the tail pipes.
11. Loosen the coolant hose bleed screw.





12. Loosen the coolant expansion tank bleed screw.





13. Fill the cooling system expansion tank.
^ When coolant runs from the engine bleed point bubble-free, tighten the bleed screw.
^ When coolant runs from the expansion tank bleed point bubble-free, tighten the bleed screw.
^ Install the coolant expansion tank cap.
14. Clamp the coolant bleed hose as shown.





15. Start and run the engine.
^ Make sure the heater motor is switched off.
^ Hold the engine speed at 2000 rpm, until bubble-free coolant, can be seen returning to the expansion tank via the bleed hose.
^ Set the heater controls to HOT with the motor speed at minimum.
^ Hold the engine speed at 2000 rpm until warm air is expelled from the heater.

16. WARNING: Since injury such as scalding could be caused by escaping steam or coolant, do not remove the filler cap from the coolant expansion tank while the system is hot.

Switch the engine off.
^ Remove the clamp.
^ Check and top-up the coolant.





17. Start and run the engine until the thermostat opens.
^ Switch the engine off and allow to cool.

18. WARNING: Since injury such as scalding could be caused by escaping steam or coolant, do not remove the filler cap from the coolant expansion tank while the system is hot.

Check and top-up the coolant if required.
19. Disconnect the exhaust extraction hoses from the tail pipes.
20. Clean any spilt coolant from the vehicle.
21. Install the engine cover.
22. Install the engine undershield.