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What is the structure of the cooling system?

2 Answers

MilesLynn

07/24/25 9:25pm

The structure of the cooling system includes: water pump, cooling fan, radiator, thermostat, radiator fan, expansion tank (also called compensation reservoir), water temperature sensor, and water jackets in the engine block and cylinder head. Auxiliary components include: radiator, upper guard plate, thermostat cover, water pump assembly, upper and lower hoses, radiator filler tank, water pump pulley, radiator fan blade, cooling core, three-way valve, radiator bracket, etc. In addition to preventing engine overheating, another important function of the cooling system is to quickly warm up the engine and maintain a constant temperature. Based on the cooling medium, the cooling system can be divided into air cooling and water cooling, with water cooling systems being widely used in automotive engines.

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FranciscoRose

08/10/25 2:39pm

Speaking of the construction of a car's cooling system, I once experienced my car overheating and almost breaking down. The cooling system is like a temperature control system, with key components including a water pump responsible for circulating the coolant, a radiator that dissipates heat using metal fins and a fan, a thermostat that controls the flow of coolant based on temperature, and an expansion tank that stores excess coolant. All these components are connected by hoses to form a closed loop. When the car is running, the coolant absorbs heat and flows to the radiator to cool down before returning. If the water pump gets stuck or the coolant becomes dirty, the system may clog or leak, leading to engine overheating and damage. It's recommended to regularly change the coolant and inspect the hoses to prevent unexpected failures and ensure safe and smooth driving.

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