Unlike a conventional mechanical water pump, an electric pump is powered by the vehicle's electrical system and controlled according to cooling requirements.
1. Main functions
Circulates coolant through the engine cooling system.
Helps maintain the correct engine operating temperature.
Supports cooling-system operation when required by the vehicle's control system.
Helps prevent overheating.
On applicable hybrid models, supports the relevant hybrid cooling circuit.
2. Common signs of a faulty pump
Engine overheating.
Coolant circulation problems.
Warning lights on the dashboard.
Unusual noise from the pump.
Diagnostic trouble codes.
Coolant temperature fluc