How do you remove the heater core from a 1973 Ford f100?

To remove the heater core from a 1973 Ford F100, first disconnect the battery and drain the coolant from the radiator. Remove the dashboard and the heater box to access the heater core, which is typically secured with screws or clips. After disconnecting the heater hoses from the engine compartment, carefully pull out the heater core from the housing. Finally, reverse the process to install the new core, ensuring all connections are secure.