How do you replace heater core on 05 Dodge Grand Caravan?

To replace the heater core on a 2005 Dodge Grand Caravan, start by disconnecting the battery and draining the coolant. Remove the dashboard and the necessary components to access the heater core, including the HVAC housing. Disconnect the heater core hoses and the mounting screws, then carefully remove the old heater core. Install the new heater core, reassemble the HVAC housing, and reconnect everything before refilling the coolant and reconnecting the battery.