How do you replace Chevy Venture ac evap core?

To replace the AC evaporator core in a Chevy Venture, first, disconnect the battery and remove the dashboard to access the HVAC unit. Drain the refrigerant and remove the necessary components, such as the blower motor and heater hoses. Then, unbolt and remove the evaporator core from the HVAC housing, install the new core, and reverse the disassembly steps. Finally, recharge the AC system and reconnect the battery.