Coolant in a Car Engine

What is Coolant?

Coolant is a liquid that is used to cool the engine of a car. It is typically made up of water and antifreeze, and it helps to keep the engine from overheating.

How Does Coolant Work?

Coolant circulates through the engine, absorbing heat from the engine and carrying it away. The coolant then flows through a radiator, where the heat is transferred to the air. The cooled coolant then flows back to the engine, and the cycle repeats.

What are the Different Types of Coolant?

There are two main types of coolant: ethylene glycol and propylene glycol. Ethylene glycol is the most common type of coolant, and it is typically used in passenger cars and light trucks. Propylene glycol is less toxic than ethylene glycol, and it is typically used in heavy-duty vehicles and racing cars.

How Often Should I Change My Coolant?

The frequency with which you should change your coolant depends on the type of coolant you are using. Ethylene glycol coolant should be changed every two years or 30,000 miles, whichever comes first. Propylene glycol coolant should be changed every five years or 100,000 miles, whichever comes first.

How to Change Your Coolant

Changing your coolant is a relatively simple process that you can do yourself with basic tools. Here are the steps involved:

Drain the old coolant from the engine.
Flush the cooling system with water.
Fill the cooling system with new coolant.
Bleed the cooling system of air.

Tips for Maintaining Your Coolant

Here are a few tips for maintaining your coolant and keeping your engine running cool:

Check your coolant level regularly and add coolant as needed.
Have your coolant system inspected by a mechanic every year.
Flush your cooling system every two years or 30,000 miles.

Conclusion

Coolant is an essential fluid for keeping your car engine running cool. By understanding what coolant is, how it works, and how to maintain it, you can help to extend the life of your engine and prevent costly repairs.