![]() ![]() Here are the types of coolants available today. The difference among the many coolant products in the market lies in the types of additives that the products contain. This process regulates the engine heat and helps protect some engine components. Once the coolant liquid passes through the radiator, it is ready for another cycle. When an engine is running, the coolant courses through the engine to absorb the heat and releases it as the coolant solution passes through the radiator. This liquid coolant solution is stored in a reservoir attached to the radiator. Many vehicle manufacturers offer coolant products in a 50/50 mixture with water to achieve the best results. However, EG is also more toxic than PG.Ĭoolants also have additives like phosphates and silicates to help lubricate and protect engine parts from corrosion. Between the two glycols, EG is better than PG for regulating temperatures. īoth EG and PG have higher boiling points and lower freezing points than water. Another type of glycol is propylene glycol. What Is The Composition Of Engine Coolants?Īll engine coolants are glycol-based, and most coolant products consist of ethylene glycol, additives, coloring, and water. Check out this informative article regarding the top reasons for vehicle overheating.Īn engine coolant also acts as a lubricating and protective agent for engine parts such as the water pump, head gasket, etc. The vehicle's cooling system is responsible for regulating this heat. Without an effective cooling system, a running engine can overheat and melt itself. A common material for modern engines, aluminum melts at 1,200 degrees Fahrenheit. This third translates to heat levels between 600 and 1,500 degrees Fahrenheit. Sometimes called antifreeze, a coolant helps reduce the heat of an active engine and helps prevent the freezing of an inactive one during frigid weather.įor reference, an active engine retains a third of the heat that it produces. Continue reading, and we will do our best to help you understand better.Īn engine coolant is a specially-formulated liquid solution that regulates the engine's temperature. You may be wondering what the differences are among these colors, and with good reason. Different Toyota models and variants use different colors of coolants. ![]() So what color/s of coolants does Toyota use? Here's what we found in our research.Īs of April 2022, Toyota uses five different colors of coolants, namely red, pink, blue, green, and clear. Toyota is one such brand, and its vehicle's manuals state the specific coolants recommended for each model and variant. Most car manufacturers develop their own engine coolants for their vehicle line-up. ![]()
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