How much labor to replace heater core in 2004 Hyundai Sonata?

Replacing the heater core in a 2004 Hyundai Sonata typically requires about 6 to 8 hours of labor. This process involves significant disassembly of the dashboard and related components to access the heater core. Labor costs can vary depending on the shop's hourly rate, but you can expect it to be a fairly involved and potentially costly repair. Always consult with a professional mechanic for a precise estimate.