So, if you want to learn more, follow along.
#Hoat coolant leak how to
After, we will discuss some other topics like how to flush your coolant and also what is the proper coolant mixture. After we will discuss what coolant does my car need. Then we will discuss how the cooling system works and the different types of coolant used in cars. So, that’s why you need to learn what coolant does my car need and learn the proper coolant to water mixture and we are going to help you out with that.įirst, we are going to cover the basics of coolant and what makes a good car coolant. But nowadays there is a whole palette of colors that you can choose from to pout into your vehicle.Īnd you should definitely get the right type for your specific application because if you make a mistake, the engine will not perform as it did before and the cooling process can be put into danger, and your cooling system to develop some issues. Back in the day, there was only the green stuff. Meaning that they are more sensitive to different types of coolants. Having the right coolant in your system is very crucial because modern cars are not like cars back in the day. The growth in the number of available antifreeze/coolant formulations has forced manufacturers to use different color dyes for different types of antifreeze/coolants.Are you scratching your head and asking yourself the question of what coolant does my car need? If this is the situation you are in, then you are at the right place because we are going to cover everything you need to know about the right coolant your car need. Since both water and antifreeze/coolant are colorless, manufacturers add a colored dye to the solution so the user can differentiate between it and other under-hood fluids and more readily know if a heavy duty engine is experiencing a coolant leak. These coolants typically provide 600,000 miles or 12,000 engine hours of service life, but their performance life can be drastically reduced if contaminated with nitrite-containing coolants. Organic Acid Technology (OAT) has no nitrite added. The ELC antifreeze/coolants use organic acids (organic additive technology), nitrite and/or molybdenum as part of their inhibitor package and are referred to as Nitrited Organic Acid Technology (NOAT) antifreeze/coolants.
#Hoat coolant leak full
Nitrited Organic Acid TechnologyĮxtended Life Coolant (ELC) does not require a supplement (referred to as an extender) until 300,000 miles or 6,000 engine hours to achieve the full 600,000 miles or 12,000 engine hours of service life. These formulations are not compatible with the extended interval coolant formulation of either NOAT or OAT coolants and should not be mixed with them. HOAT coolants are most commonly found dyed yellow or orange. Unlike the OAT and NOAT Extended Life Coolants (ELC), HOAT coolants, like the IAT coolants, typically require SCA added back into the system at the first maintenance interval (25,000 miles) or as specified by the engine manufacturer. Hybrid Organic Acid Technology (HOAT), which is a combination of some of the inhibitors used in inorganic IAT and organic OAT coolants, is typically based on a low-silicate, nitrite technology. However, compared to OAT and NOAT coolant formulations, the IAT coolants do require the frequent addition of SCA at an interval of 25,000 miles, or as specified by the engine manufacturer.
Today, most of the “conventional low-silicate” antifreeze/coolants in the market are fully formulated with a pre-charge of SCA to protect the cooling systems of heavy duty engines against corrosion, cavitation, liner pitting, freezing and boil over. It was typical to start with a low silicate-based product design for cars and light-duty trucks, which required dilution with water, then you needed to “pre-charge” it with specific amounts of supplemental coolant additives (SCAs) to protect heavy duty engine cylinder liners from destructive pitting corrosion. The original, green-dyed antifreeze/coolants are called conventional low-silicate, but the technical name for this type of coolant and its inhibitor package is Inorganic Acid Technology (IAT).
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