How do you replace the radiator on 1999 Lexus es300?

To replace the radiator on a 1999 Lexus ES300, start by draining the coolant and disconnecting the negative battery cable. Remove the upper and lower radiator hoses, as well as any electrical connections and mounting bolts. Take out the old radiator and install the new one by reversing the process, ensuring all connections are secure and refilling the coolant. Finally, check for leaks and run the engine to ensure proper operation.