How do you replace a radiator on a 2004 Chrysler Pacifica 3.5 engine AWD?

To replace the radiator on a 2004 Chrysler Pacifica with a 3.5 engine AWD, first ensure the engine is cool and disconnect the negative battery cable. Drain the coolant by removing the drain plug at the bottom of the radiator. Next, disconnect the upper and lower radiator hoses, transmission cooler lines, and any electrical connections. Finally, remove the mounting bolts, lift out the old radiator, and install the new one, reversing the disassembly steps while refilling the coolant and checking for leaks.