![]() ![]() HOAT contains small amounts of silicate, borate, molybdate, or nitrate. ![]() HOAT combines the effects of OAT’s rapid long life and rapid protection of IAT. When we say that HOAT, which is the red coolant, is the combination of IAT and OAT, it does not mean a physical combination. ![]() Mixing red and green coolants will result in a thick fluid that will not flow through the cooling system when needed and cause serious damage. Can You Mix Green and Red Coolant?ĭo not mix green and red coolants, it will react, and the result could be disastrous to your engine. If you must change the type of fluid you use for your car, contact a professional for proper recommendations. We can also say the same about using red coolants for older vehicles.Įnsure the change is done on older cars, like cars made before 2000 and the red coolants for vehicles produced after 2000. On the other hand, newer models use aluminum, rubber and plastic parts.Īfter prolonged use, replacing your vehicle’s red coolant with green could damage the aluminum and rubber parts of the radiator. Older vehicles tend to have more metal parts. Over time there has been a change in the materials used in making vehicle parts. Red coolants are designed for newer vehicle models and green for older vehicles. Also, they are used for different model years of vehicles. However, they are designed to perform the same functions but have different components. No, you cannot use green coolant instead of red. Now that we understand the major coolant technologies, we can move on to the confusing discussion on red vs green antifreeze. There are other coolant technologies, but we will only concentrate on these three for red coolant vs green. It lasts more than the previously mentioned types of coolant technologies It can last for up to 180,000 miles. It means that the coolant is suitable for both older and modern vehicles. ![]() The HOAT is the combination of the IAT and OAT coolant technology. The downside of this coolant technology is that it does not protect copper and brass system components, making it unsuitable for older vehicles. The coolant can last up to 150,000 miles. It uses organic acids and corrosion inhibitors, granting it a longer life span. Organic Acid Technology (OAT)Ī new type of coolant solution replaced the IAT, which was the OAT. It is why it is no longer used after the mid/late 1990s. IAT is majorly suitable for older vehicles, as it is designed to protect iron, brass, copper and aluminum parts that could be found in older vehicles. Its short life span is owed to its properties and additives. Compared to other types of coolants, it has a lifespan of between 30,000 and 45,000 miles. The IAT was the first coolant introduced into the industry. We will look at three coolant technologies, including the following. While understanding the difference between red and green antifreeze, we must know the technology in building these fluids. It is an Inorganic Acid Technology (IAT) made using either ethylene glycol or propylene glycol. The green antifreeze is considered regular or old antifreeze. When you compare this antifreeze with different types like green antifreeze, it is considered more stable this is one of the reasons it is more popularly used in modern cars. It lasts longer than other types of antifreeze. Red engine coolants or antifreeze are commonly known as Dexcool®, which falls under the Hybrid Organic Acid Technology (HOAT). The most widespread confusion among car owners is the topic of green coolant vs red. These coolants are different in their components, stability, technology and improvement. It helps to distinguish the different types of coolants available better. What Is the Difference Between Red and Green Coolant?Ĭoolant comes in different colors, and there is a reason for that. In this article, we will answer the question, can I use green coolant instead of red? We will also examine whether the coolants can be mixed and how to solve a mixed red and green coolant problem. Many people need to understand why coolants come in different colors and the difference between these fluids. One confusing topic with car owners is the green vs red antifreeze. ![]()
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