Coolant 101: What is Coolant and Why do I Need It?

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What Is The Role Of Coolant In A Car? The engine creates a lot of energy and heat while the car is moving. It’s the job of the exhaust and cooling system to make sure the engine stays cool.

The coolant absorbs the heat from the engine and stops the water from boiling in the summer. In addition, it also ensures metal parts don’t rust and rubber or plastic parts don’t corrode.

Without the coolant, the heat produced during constant internal combustion would ruin the engine very quickly. Although coolant is mixed with water, the water alone isn’t able to keep the engine cool.

The heat of the engine would eventually start boiling the water, or the summer heat would evaporate it.

What Are The 3 Main Properties Of Coolant?

A good coolant will provide the 3 main properties below. Bad coolant will provide none.

● ● ●

Prevents Freezing and Boiling Lubricates the Water Pump Seal Inhbits Corrosion

What Kind Of Coolant Should I Use? If you live in more temperate climate areas, you should mix a glycol coolant with an equal amount of water. Most vehicle manufacturers recommend a 50/50 mix of glycol and water when vehicles require adequate cooling but do not need much protection from the cold of a harsh winter. However, a 50/50 mix of glycol and water will offer adequate winter protection for a vehicle in all but the most extreme winter environments.

If you live in colder regions of the world, you should mix your glycol based coolant with water as well. However, you should use 70% glycol and 30% water to provide additional protection for your vehicle. This will help prevent your engine block from freezing up in extremely cold temperatures.

How Do I Add Coolant To My Car? Refilling your vehicle’s coolant reservoir is a simple process. Here’s a guide on the best way to do it:

● Pick the correct Coolant (usually 50%) ● Make sure the engine is cool ● Mix the coolant with water (if using from concentrate)

● Unscrew the reservoir cap and add the coolant ● Replace the cap

Is Coolant The Same As Antifreeze?

Well, antifreeze and engine coolant are similar, but not the same. Antifreeze is a concentrated, glycolbased liquid that must be diluted with water before use – at which point it is referred to as coolant.

Alternatively, you can purchase pre-mixed engine coolant, a ready-to-use solution of antifreeze and water.

Antifreeze does not expire, but the additives that prevent engine corrosion do. As such, it’s recommended you replace your antifreeze in line with the manufacturer’s expiry guidelines.Additionally, ethylene glycol is toxic to both humans and animals, so make sure to follow the manufacturer’s safety advice and disposal instructions carefully.

How Often Should I Change Coolant?

When is the right time to change your engine coolant? For some vehicles, you’re advised to change the coolant every 30,000 miles. For others, changing it isn’t even on the maintenance schedule.For example, Hyundai says the coolant in the engine in most of its models should be replaced after the first 60,000 miles, then every 30,000 miles after that. The interval is every 30,000 miles on some Mercedes-Benz models with some engines, but on others its 120,000 miles or 12 years. On still other Mercedes, it’s 150,000 miles or 15 years.

Does My Coolant Reservoir Need To Be Full?

The coolant level should be between the “LOW” and “FULL” marks in the coolant extension tank. As the coolant heats up it expands if it is at the full mark it could overflow. That is why you don’t fill up the coolant reservoir all the way.

Can You Put Tap Water In The Coolant?

No, using or mixing tap water in your coolant will eventually cause a buildup of calcium and other minerals in your radiator as tap water is full of these minerals. That will hinder the movement of the coolant in your system which will reduce the effectiveness of the coolant and the engine parts will not be cooled properly.

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