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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 632 (Auxiliary Climate Control System) >> Description And Operation >> Auxiliary Climate Control >> System Operation >> Auxiliary coolant pump

Auxiliary coolant pump

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

The auxiliary coolant pump is controlled by the PCM. The auxiliary coolant pump helps to get the appropriate flow of hot coolant to the auxiliary heater core to enhance auxiliary climate control performance.

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