How do you flush the radiator on a 2002 Nissan Frontier Crewcab?

To flush the radiator on a 2002 Nissan Frontier Crewcab, start by ensuring the engine is cool and then remove the radiator cap. Place a drain pan under the radiator, open the drain valve, and allow the old coolant to fully drain out. Next, fill the radiator with a mixture of water and radiator flush solution, run the engine for about 10-15 minutes, and then drain again. Finally, refill the radiator with the appropriate coolant mixture and check for leaks.