QX56 V8-5.6L (VK56DE) (2004)
/Page-701001.png)
Coolant: Service and Repair
Flushing Cooling System
FLUSHING COOLING SYSTEM
1. Drain the water from the engine cooling system.
2. Fill the radiator and the reservoir tank (to the "MAX" line), with water. Reinstall the radiator cap and leave the vented reservoir cap off.
3. Run the engine until it reaches normal operating temperature.
4. Press the engine accelerator two or three times under no-load.
5. Stop the engine and wait until it cools down.
6. Drain the water from the engine cooling system.
7. Repeat steps 2 through 6 until clear water begins to drain from the radiator.
