The ______ moves coolant throughout the system.

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Multiple Choice

The ______ moves coolant throughout the system.

Explanation:
The water pump is what moves coolant through the system. Driven by the engine, it acts like a pump that pulls cooled coolant from the radiator and pushes heated coolant back into the engine to circulate through the blocks and heads, absorbing heat. The thermostat mainly regulates when coolant flows to the radiator, not moving it. The radiator is a heat exchanger, not a pump, and the fan helps exchange heat with the air but doesn’t move the liquid itself. So the component that actually circulates the coolant throughout the system is the water pump.

The water pump is what moves coolant through the system. Driven by the engine, it acts like a pump that pulls cooled coolant from the radiator and pushes heated coolant back into the engine to circulate through the blocks and heads, absorbing heat. The thermostat mainly regulates when coolant flows to the radiator, not moving it. The radiator is a heat exchanger, not a pump, and the fan helps exchange heat with the air but doesn’t move the liquid itself. So the component that actually circulates the coolant throughout the system is the water pump.

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