What are the main components of a cooling system?

1 Answers
Olivia
07/30/25 2:20am
Components of an automotive cooling system: 1. Water pump: The water pump is the core component of the cooling system. It circulates the coolant to cool the engine. If the water pump fails, the engine temperature will rise. 2. Thermostat: The thermostat distinguishes between large and small circulation loops, helping the engine reach its optimal temperature quickly. It also improves fuel efficiency once the engine warms up. 3. Coolant temperature sensor: Usually installed at the engine's coolant outlet, it measures the engine's coolant temperature as a reference for fuel injection control. 4. Radiator: The radiator stores a large amount of coolant, serving as the medium for heat exchange between the engine and the external environment by dissipating engine heat. 5. Radiator fan: When the coolant reaches a certain temperature, the control module activates the electric fan to dissipate heat from the radiator. 6. Hoses: The cooling system wouldn't function without hose connections. Vehicles have numerous hoses, mostly made of rubber. Any leaking hoses should be repaired promptly.
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