1.Install reservoir tank if removed, and radiator drain plug.■ CAUTION ■ Be sure to clean drain plug and install with new O-ring.
If water drain plugs on cylinder block are removed, close and tighten them. Refer to Disassembly and Assembly (GT-R certified NISSAN dealer).
2.Fill radiator and reservoir tank with water.
3.Run the engine and warm it up to normal operating temperature.
4.Rev the engine two or three times under no-load.
5.Stop the engine and wait until it cools down.
6.Drain water from the system. Refer to Draining.
7.Repeat steps 1 through 6 until clear water begins to drain from radiator.
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