How much time does it take to change the heater core on a 1993 mercury topaz?

Changing the heater core on a 1993 Mercury Topaz typically takes about 4 to 6 hours, depending on the mechanic's experience and any complications that may arise. The process involves draining the coolant, removing the dashboard, and accessing the heater core, making it a labor-intensive job. It's advisable to have a repair manual on hand for specific instructions and guidance.