Cooling System: Service and Repair

Cooling System Draining, Filling and Bleeding

Service Repair No - 26.10.01

WARNING: Do not remove expansion tank filler cap when engine is hot. The cooling system is pressurized and personal scalding could result.

DRAIN
1. Remove expansion tank filler cap by slowly turning it anti-clockwise. Pause to allow pressure to escape. Continue turning it in same direction and remove.
2. Remove viscous coupling.





3. Remove radiator filler plug and O-ring to assist drainage.
4. Position container to collect coolant spillage.





5. Loosen clip securing hose to coolant pump.
6. Release hose from coolant pump and allow coolant to drain.

NOTE: It is not possible to drain all coolant retained in heater system.





7. Remove engine drain plugs beneath exhaust manifolds and allow coolant to drain from engine.

REFILL
1. Fit drain plugs to engine.
2. Connect hose to coolant pump and secure with clip.
3. Fit viscous coupling.
4. Pour correct solution of water and anti-freeze into expansion tank until radiator is full.
5. Start engine and run until normal operating temperature is reached.
6. Top up coolant level as necessary.
7. Fit new O-ring to radiator filler plug.
8. Fit radiator filler plug and tighten to 6 Nm (4 ft. lbs.).
9. Fit expansion tank filler cap.
10. Allow engine to cool and check coolant level.
11. Top up expansion tank until level reaches seam.
12. Remove container.