Where the water extracts all the heat of the engine, the antifreeze solution, on the contrary, increases the boiling point of the solution. This mixture in the coolant mainly consists of water and antifreeze solution with a 1:1 ratio. There are more parts in the system, however, for the purpose of understanding the function of the radiator cap, this article would focus on the ones below: Coolant Fluid How Long Does It Take To Replace A Radiator?īelow are some of the major components of a car’s cooling system.What Causes Pressure Build Up In Cooling System?.Car Cooling System – What To Do To Keep Its Cool?.There, the air entering through the grill brings down the temperature of the coolant. After collecting the heat from the engine, this liquid moves back into the radiator. While the engine is running, the liquid from the coolant tubes enters into the engine heads and blocks. This way, by creating turbulence inside the tubes, the coolant liquid gets mixed and thus is cooled evenly, not just the liquid that touches the sides of the tubes gets cooled. The radiator is composed of tubes that carry this coolant fluid, a protective cap that’s actually a pressure valve and a tank on each side to catch the coolant fluid overflow.Īn interesting feature is that the tubes carrying the coolant liquid usually contain a turbulator, which agitates the fluid inside. The car’s radiator acts as a heat exchanger, transferring excess heat from the engine’s coolant fluid into the air. When it comes to a complex machine like your car, a small fault in a single component would affect the operation of the whole system and the symptoms may manifest through the other components in the same system. Coolant System 101īefore we go into the details of the radiator cap, it is essential that you grasp the basics of a car’s cooling system. Therefore, knowing the functions and symptoms of a bad radiator cap is a handy and straightforward DIY maintenance tip that you should pocket to maximize your engine’s performance and lifespan. A bad radiator cap can render the whole cooling system ineffective and cause costly damage to the precious engine. What is interesting and often overlooked is the importance of a small and seemingly unimportant component, the radiator cap.
You might know that your car’s radiator is responsible for keeping the engine from overheating.
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