Coolant Pump

Fig 1: Identifying Coolant Pump

Courtesy of VOLVO CARS CORPORATION

The coolant pump is located under the engine control module (ECM) in the cold space at the back edge of the engine compartment toward the passenger compartment.

The coolant pump is driven by an integrated electric motor. It is used to circulate coolant in the engine cooling system.

There are diagnostics for the electronics of the coolant pump.