How do you change a 2004 Jeep Grand Cherokee radiator?

To change the radiator in a 2004 Jeep Grand Cherokee, first, ensure the engine is cool and disconnect the negative battery terminal. Drain the coolant by removing the drain plug at the bottom of the radiator and disconnect the hoses. Unbolt the radiator from its mounts, remove the transmission cooler lines if applicable, and carefully lift it out. Install the new radiator by reversing the process, ensuring all connections are secure and refill the coolant before starting the engine.