CLICK TO ENLARGE. This question comes as no surprise since the word “antifreeze” can easily be interpreted as meaning the purpose of the fluid is to prevent a radiator/engine from freezing. But as those familiar with these fluids know, its primary purpose is to prevent an engine from overheating (remove excess heat).
One says coolant and the other says antifreeze. So, is there any difference? Well, in reality, there is none. Both of these solutions are pretty much the same thing. So, you should not get alerted and confused if you notice this when purchasing coolant for your car. A jug of antifreeze will do the trick just fine. Antifreeze is a liquid that's added to a car's engine cooling system. It stops the water from freezing under normal cold weather conditions. As well as lowering the freezing point, it also raises the boiling point of engine coolant. Along with a pressurised system, this helps to reduce the risk of overheating. Is Antifreeze Coolant. Oftentimes, most people tend to interchangeably use coolant and antifreeze when mentioning their car’s cooling system. Although their end goal is similar – that being to cool down your car – they’re not the same thing. Antifreeze is a base liquid or ingredient, typically made from ethylene glycol or propylene glycol.
The coolant absorbs and dissipates heat, while antifreeze ensures the coolant does not freeze in colder temperatures. Coolant can become acidic with excessive use; this can lead to engine corrosion. Experts recommend inspecting coolant levels and changing the mixture frequently. It’s essential to consult the owner’s manual and expert auto
So, to answer the common question: Is coolant and antifreeze the same thing? Not quite, but they are closely related. Antifreeze is aptly named for its ability to prevent freezing in cold temperatures.

Antifreeze and coolant are often used interchangeably, but they are not the same thing. Antifreeze is a solution made of ethylene glycol, while coolant is a mixture of 50% antifreeze and 50% water. While similar, coolant is used to remove heat from the engine.

Myth #4: It’s Okay to Mix Old and New Coolant. Some people believe that it’s okay to mix old and new coolant, but this is not true. Over time, coolant can break down and lose its effectiveness. Mixing old and new coolant can create an uneven mixture that can cause engine damage. In addition, different types of coolant can have different
I’ve also read claims of racers using 100 percent anti-freeze because of its 387 degree F. boiling point. The problem with this approach is that the specific heat of straight anti-freeze is 0.66 as shown in the accompanying chart. According to the above referenced site, the cooling system has lost 20 percent of its capacity.
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  • is radiator coolant and antifreeze the same thing