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Replacing the Cabin Heater Hose on Ford Focus III

Model: Ford Focus MK 3 - Years 2011-2018
Part: Heater core

The cabin heater radiator is located just behind the centre tunnel and uses the heat from the engine's coolant to warm the cabin. It is essentially a mini radiator with two pipes, one for inlet and the other for outlet through which the coolant circulates. It may happen that one of the hoses can become damaged, and to replace it, first disconnect the hose clip at the end connected to the thermostat valve, then disconnect the one connected to the radiator. To release this end, rotate the locking mechanism to free the clip.

Updated on 18 February 2026 by ScegliAuto

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