How do you change the heater core on a 2001 ford escape 4cy?

To change the heater core on a 2001 Ford Escape with a 4-cylinder engine, start by disconnecting the battery and draining the coolant. Remove the dashboard and the center console to access the heater core housing. Disconnect the hoses and electrical connectors from the heater core, then remove the core itself from the housing. Install the new heater core by reversing the steps, ensuring all connections are secure before reassembling the dashboard and refilling the coolant.