In some vehicles, the heater coreis located inside the cabin on the passenger’s side. It’s typically behind the dashboard, but that might vary depending on the vehicle’s year, make, and model.
The heater core is a heat exchanger that keeps the cabin nice and warm. It works similarly to a radiator, except it absorbs heat from the engine coolant. When air passes through the heater core, it turns hot and eventually enters the passenger cabin.
A heater core’s exact location can vary depending on the vehicle’s exact year, make, and model. In most Ford EcoSport and Toyota Corolla models, for example, the heater core is mounted under the dashboard.
If your vehicle’s heater core is behind the dashboard, you’ll have to remove part or all of the dashboard to access it. This is almost always the case. There are rare exceptions, so don’t even start this job until you know exactly what needs to be done.
If you need to replace your heater core, don’t forget to disconnect the heater hoses attached to it. They’re usually at the firewall under the hood. You’ll need a screwdriver or pliers to remove the clamps without damaging the hoses, unless the fittings are quick-connect types that are somewhat common on some newer vehicles. In some cases, you also have to remove the blower motor or air duct to remove the heater core.
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