Under the dash pass side most likely. yo find exact spot trace heater hoses to firewall under your hood. You have 2 of them.
mercury villager heater core 2001
It is in the heater box under the dash and it usually means removing the whole dashboard assembly.
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how do i replace a front heater core, back heater core, and a heater motor in a 2001 Chrysler town and country? need a detailed description.
Drain the cooling system. Remove the water hoses from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
The heater core is inside the hvac housing behind the dash.
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The heater core is inside the hvac housing under the dash.
You have to take half the car apart to replace the heater core