How do you replace a radiator on a 2012 Ford Focus?

To replace the radiator on a 2012 Ford Focus, start by disconnecting the negative battery terminal and draining the coolant. Remove any components obstructing access to the radiator, such as the cooling fans or hoses. Unbolt the radiator from its mounts, then carefully lift it out and install the new radiator by reversing the disassembly steps. Finally, refill the cooling system with the appropriate coolant and check for leaks.