Which coolant is Hoat?
Which coolant is Hoat? Yellow. A Hybrid OAT (HOAT) coolant is also an option. It is typically dyed yellow. This type of coolant mixes technology from the first two to create a low-silicate, nitrite technology. Is glycol the same as antifreeze? Though coolant and antifreeze are often used interchangeably, they aren't the same. Antifreeze is made of ethylene glycol or propylene glycol and is the basic ingredient, but it has to be mixed with water to create coolant, which is the cocktail you will find in the cooling systems of all “water-cooled” vehicles. Is Prestone coolant A Hoat? Prestone's Coolant/Antifreeze...