Seasonal Attention – Coolant issues can happen year-round however, vehicle overheating is most common in warm months. ![]() Without normal coolant levels, your engine will begin to quickly overheat. Leaking Fluid – If your antifreeze is leaking, you may notice a blue or orange liquid leaking from under your hood. How do I know if my car needs antifreeze? There are many different types of coolant, so it's important to know what variety is right for your car or truck. Are coolant and antifreeze the same thing?Įngine coolant, also known as antifreeze, is mixed with water to keep the radiator from freezing in extreme cold and overheating in extreme heat. Coolant/antifreeze is added to a vehicle's cooling system, which circulates the fluid throughout the engine and radiator to prevent overheating. It is comprised of a 50/50 mix of ethylene or propylene glycol and water. The boiling point of water is 100-degrees C.Ĭoolant is commonly also called antifreeze. This vital liquid helps your engine in other ways too.As the name suggests, coolant/antifreeze is necessary to reduce the freezing point of your engine’s cooling system and raise the temperature at which the system will boil when compared to water alone. Water expands as it freezes which can spilt radiators or even break engine cases. If you don't use antifreeze, you could suffer serious damage to your car's radiator and other components if the water freezes or overheats.
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