How to replace coolant on a infiniti g35 sedan 03

Remove radiator cap.

Remove the hose that is attach between the radiator and the coolant container.

Remove the coolant container from the car.

Empty the coolant container.

Unscrew the radiator drain plug.

Empty the radiator.

Put back the coolant container. Fill the radiator with coolant at slow pace until its reach the top. Then fill the coolant container to the MAX mark.

Start the engine and warm it up until it reaches normal operating temperature. Then race the engine 2 or 3 times under no load. Watch the engine coolant temperature gauge for signs of overheating.

Stop the engine. After it completely cools down, refill the radiator up to the filler opening. Fill the reservoir tank up to the MAX level. Check the drain plug for any sign of leakage.

Hope you enjoy this easy guide. Thanks!