Maintaining your vehicle’s engine performance is crucial, and one often overlooked aspect is the role of coolant for cars. This essential liquid plays a critical part in keeping your engine running smoothly and preventing costly repairs. Here’s a concise guide to understanding and maintaining car coolant.

What is Coolant for Cars?

Coolant, also known as antifreeze, is a liquid mixture that helps regulate your engine’s temperature. It prevents the engine from overheating in the summer and freezing in the winter. Typically composed of ethylene glycol or propylene glycol mixed with water, coolant also contains additives to prevent corrosion and improve performance.

Why is Coolant Important?

Coolant serves several vital purposes:

Temperature Regulation: It absorbs heat from the engine and dissipates it through the radiator. Freeze Protection: It prevents engine components from freezing in cold weather. Corrosion Prevention: Additives in the coolant protect the engine and cooling system from rust and corrosion. Lubrication: It lubricates critical parts, such as the water pump, ensuring smooth operation.

Types of Coolant for Cars

Coolants come in various formulations and colors, including:

Inorganic Additive Technology (IAT): Common in older vehicles, typically green in color. Organic Acid Technology (OAT): Designed for modern vehicles, often orange or red. Hybrid Organic Acid Technology (HOAT): A mix of IAT and OAT, commonly yellow or turquoise.

Always check your car’s manual to determine the correct type of coolant for your vehicle.

How to Check and Maintain Coolant Levels

Maintaining proper coolant levels is simple and essential. Here’s how:

Locate the Reservoir: The coolant reservoir is usually a translucent plastic tank near the radiator. Check the Level: Look for “MIN” and “MAX” marks on the reservoir. The coolant should be between these lines. Top It Off if Necessary: If the level is low, add the recommended coolant mixture. Inspect for Leaks: Low coolant levels could indicate a leak in the system.

When to Change Your Car’s Coolant

Over time, coolant degrades and loses its effectiveness. Most manufacturers recommend changing the coolant every 30,000 to 50,000 miles or as specified in your owner’s manual. Signs you need a coolant change include:

Discolored or sludgy coolant Overheating engine A sweet smell near the engine (a sign of a coolant leak)

Conclusion

Proper maintenance of coolant for cars is essential for the longevity and performance of your engine. Regularly checking and replacing coolant ensures your vehicle stays in top condition, preventing costly repairs and breakdowns. Remember, when in doubt, consult your car’s manual or a trusted mechanic to keep your cooling system in check.