![]() The pre-diluted stuff is more convenient of course, but you end up paying a lot more for less coolant. Years ago coolant was always sold as pure coolant, and you'd have to dilute the fluid yourself with water. One thing to keep in mind with nearly every modern jug of coolant you’ll come across: They’re all pre-diluted. All GM cars use something called Dex-Cool from the factory. Plenty of others like BMW and Volkswagen do the same thing. Many times, the coolant is actually branded for the car you’re going to put it in.įor example, Honda sells its Type 2 Antifreeze/Coolant in all its dealers. They’ll sell the coolant for your specific make and model, and it’s guaranteed to be the correct one. The easiest way to make sure you’re getting the right coolant for the job is to go to your car’s dealership. Finally, HOAT is a derivation of OAT that requires the same time change interval unless otherwise specified. ![]() General Motors vehicles use this formula and normally require a change after five years or 50,000 miles. It needs to be changed every two years or 24,000 miles, making it far inferior to newer formulas. There are three main types of coolant that car companies use: Inorganic Additive Technology (IAT), Organic Acid Technology (OAT), and Hybrid Organic Acid Technology (HOAT). It would be convenient if every manufacturer used the same coolant, but they don't. In order to get any color of coolant changed, make sure to contact us at All In The Wrist today.When it comes time to top off or do a complete system flush you’re going to have to find the right coolant for the job. Now that you know what the color of coolant means, you have the knowledge of being able to pick out the right type, even if it isn't the same color. It is also able to provide the best coverage, only needing to be flushed once every 150,000 miles. What makes this type of coolant unique is the fact that it incorporates silicates, which are able to improve protection for any aluminum components and help to prevent them from developing rust or corrosion. This is a mix of both of the previous types of coolant and is also extremely popular in many newer vehicle models. If your vehicle uses a coolant of this color, then it is using something called hybrid organic acid technology (HOAT) coolant. OAT antifreeze is designed to be used to protect aluminum components from corrosion. The biggest thing to look out for is using the organic acid technology (OAT) in older vehicles with brass or copper radiators. The last few colors that you might see coolant being offered in are yellow and orange. There are 3 basic types of antifreeze used today, ethylene glycol based, propylene Glycol based and the newer Organic Acid Technology. It is estimated to only need flushing once every 135,000 miles, which makes it over four times as effective as IAT coolant. Premium quality, extended life antifreeze/coolant Meets ASTM D3306 Compatible with the major American brands of antifreeze/coolants on the market today. It is referred to as organic acid technology (OAT) coolant and is able to possess even better corrosion inhibitors than IAT coolant, despite the fact that it does not contain either phosphates or silicates.īecause of its new formula, it is able to avoid breaking down in the engine and needing a replacement for an incredibly long time, which makes it good for drivers who spend a lot of time on the road. Make sure to bleed the system upon refiling it. Afterward, dump the flush liquid out and fill the system with the proper coolant. Crank up the heat, so the flush goes through the heater core as well. This type of coolant comes in a wide range of colors and is commonly used in most newer vehicle models. All you need to do is mix the coolant flush product with distilled water and run it through the system. When a vehicle uses this type of coolant, the frequency of its coolant services will be slightly different than other types of coolant and should instead be done for every 30,000 miles driven. It contains a mix of phosphate corrosion inhibitors and silicates in order to create a protective barrier for the radiator, engine, and other metal parts. A bright green coolant will be something called inorganic acid technology (IAT) coolant. This is not likely a coolant color that most people will see since it was mainly used before 1990. To help you better understand what type of coolant your vehicle uses, here is a detailed guide to what the various coolant colors mean. ![]() They are not just a cosmetic choice but rather indicate what type of coolant is being used in the vehicle. Instead of being black or brown, it comes in a wide range of different colors.īut what many people do not know is that these colors actually mean something. Anyone who has ever had to deal with the coolant in their vehicle likely knows that it is not the usual color of most other vehicle fluids.
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