G35 Sedan V6-3.5L (VQ35DE) (2004)
8. Refill reservoir tank to MAX level line with coolant.
9. Repeat steps 5 through 8 two or more times with radiator cap installed until coolant level no longer drops.
10. Check cooling system for leaks with engine running.
11. Warm up engine, and check for sound of coolant flow while running engine from idle up to 3,000 rpm with heater temperature controller set at
several position between COOL and WARM.
Sound may be noticeable at heater unit.
12. Repeat step 10 three times.
13. If sound is heard, bleed air from cooling system by repeating step 5 through 8 until coolant level no longer drops.
Clean excess coolant from engine.
Flushing Cooling System
WARNING: To avoid the danger of being scalded, never change the coolant when the engine is hot.
FLUSHING COOLING SYSTEM
1. Fill radiator with water until water spills from the air relief hole, then close air relief plug. Fill radiator and reservoir tank with water and reinstall
radiator cap.
2. Run engine and warm it up to normal operating temperature.
3. Rev engine two or three times under no-load.
4. Stop engine and wait until it cools down.
5. Drain the water from the system.
6. Repeat steps 1 through 5 until clear water begins to drain from the radiator.
Draining Engine Coolant
WARNING: To avoid the danger of being scalded, never change the coolant when the engine is hot.
DRAINING ENGINE COOLANT
1. Remove engine undercover using power tools.
2. Open radiator drain plug at the bottom of radiator, and remove radiator cap. When draining all the coolant in the system, also perform the
following steps.
3. Remove the reservoir tank, drain the coolant and clean the tank before installing.