How do you remove heater core from 1988 Jeep pickup?

To remove the heater core from a 1988 Jeep pickup, first, disconnect the battery and drain the cooling system. Remove the dashboard and any components obstructing access to the heater core, including the glove box and center console. Then, disconnect the heater hoses from the core, unbolt it from the housing, and carefully pull it out. Reverse the steps to install the new core, ensuring all connections are secure before reassembling the dashboard.