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2019-05

Daily Maintenance and Care of the Cooling System

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If the engine’s cooling system frequently malfunctions, it will reduce the engine’s overall performance and may even damage other engine components.

　　Frequent malfunctions in the engine’s cooling system can reduce overall engine performance and lead to damage to other engine components. Therefore, it is essential to perform routine maintenance and upkeep of the cooling system and to take prompt corrective action when issues are detected.

　　Regular inspection:

　　The cooling system’s sealing integrity, the tension of the fan drive belt, and the operational status of the water pump, thermostat, and other components shall be inspected regularly in accordance with the relevant product specifications.

　　A smart practice is to check your coolant every week, especially during periods of extreme heat or cold. However, never open the coolant system cap when the engine is still hot, as you could easily suffer severe burns.

　　Another good option is to have the vehicle’s cooling system serviced by a qualified professional. During routine maintenance, if you notice a persistent and significant drop in the coolant level or a shorter time for the engine to reach its operating temperature (i.e., reduced warm-up time), you should inspect the system for leaks or check whether the thermostat is functioning properly.

　　Common misconceptions:

　　The cooling system doesn’t require much maintenance—just top up the coolant regularly; there’s no need for routine inspections.

　　Correct view:

　　If the engine is the heart of a car, then the cooling system is its “guardian,” ensuring that the engine operates stably at an optimal temperature and thereby delivering a steady stream of powerful performance. Consequently, any malfunction in the cooling system will inevitably affect the vehicle’s overall operation, making it essential to give it due attention.

　　Daily Use

　　When driving a vehicle on a daily basis, if you notice the engine overheating or the radiator “boiling,” stop the vehicle immediately to allow it to cool down. At the same time, do not shut off the engine right away; instead, pull over to a shaded area, open the hood, and let the engine idle for five to ten minutes to prevent cylinder scoring caused by excessive heat. Once the engine has cooled slightly, carefully loosen the radiator cap—turning it slowly—and wait until the built-up steam has escaped before adding coolant.

　　Traces of coolant dripping beneath the vehicle are a warning sign of a serious problem with the cooling system, so regular inspections are essential. Additionally, if coolant leaks from the water jacket while the vehicle is in motion, the engine temperature gauge will show a rapid rise.

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