What main function does the pump perform in the engine's liquid cooling system?

Question

DentroTest · Accepted Answer

The fundamental job of the cooling pump (usually driven by a belt connected to the crankshaft) is to force and drive the circulation of the coolant between the cooling chambers of the engine block and the cylinder head, and the radiator. This ensures constant heat removal to the outside. For its part, the task of compensating pressure variations and relieving overpressure or vacuum belongs to the valves built into the cap of the expansion tank or of the radiator, not to the driving pump.

What main function does the pump perform in the engine's liquid cooling system?

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