How do you replace the heater core in a 1992 Toyota Camry V6 XLE?

To replace the heater core in a 1992 Toyota Camry V6 XLE, start by draining the coolant and disconnecting the battery. Remove the dashboard and center console to access the heater core, then disconnect the hoses and remove the heater core from the housing. Install the new heater core in reverse order, reconnect the hoses, reassemble the dashboard, and refill the coolant before testing for leaks. Ensure to properly bleed the cooling system after the installation.