The Ultimate Guide to Adding Coolant to Your Car

The Ultimate Guide to Adding Coolant to Your Car

09/02/2025
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“A warm welcome is better than a grand feast,” and caring for your beloved vehicle is just as important. Checking and adding coolant is one of those seemingly simple tasks that’s actually crucial for your car’s health. My friend Minh, who lives in Hoang Mai, Hanoi, learned this the hard way when he neglected his coolant and ended up stranded on Ly Thuong Kiet Street during rush hour. To avoid a similar fate, XE TẢI HÀ NỘI presents this comprehensive guide to adding coolant to your car.

What is Car Coolant and Why is it Important?

Introduction

Car coolant, a special fluid typically green or red, plays a vital role in maintaining your engine’s optimal operating temperature. It’s usually a mixture of distilled water and ethylene glycol, providing superior antifreeze, anti-corrosion, and heat transfer properties compared to regular water.

Benefits

  • Engine Cooling: Coolant absorbs heat generated by the engine and dissipates it into the environment, preventing overheating.
  • Freeze Protection: In winter, coolant prevents freezing within the cooling system, protecting the engine from damage.
  • Corrosion Prevention: Additives in the coolant protect metal components in the cooling system from corrosion.

A mechanic checking the coolant level in the car's radiator.A mechanic checking the coolant level in the car's radiator.

Steps to Add Coolant to Your Car

Step 1: Inspection

  • Ensure the engine is completely cool before opening the radiator cap. Opening it while the engine is hot can cause severe burns.
  • Check the coolant level in the overflow tank. The ideal level is between the “Min” and “Max” marks on the tank.
  • Observe the coolant’s color. If it’s cloudy, contains sediment, or has oil mixed in, take your car to a mechanic for inspection and a coolant flush.

Step 2: Adding Coolant

  • If the coolant level is low, open the overflow tank cap and add coolant.
  • Use the type of coolant recommended by your car’s manufacturer.
  • Avoid mixing plain water with coolant as it can reduce the effectiveness of the solution and harm the cooling system.
  • Slowly pour coolant until it reaches the “Max” mark on the tank. Avoid overfilling, as it can cause overflow when the engine is running.

Step 3: Recheck

  • Tightly close the overflow tank cap.
  • Start the engine and let it idle for a few minutes.
  • Monitor the engine temperature gauge to ensure it remains stable.
  • Turn off the engine, let it cool down, and recheck the coolant level. Add more if necessary.

A can of coolant for car engines.A can of coolant for car engines.

Car Coolant Price List

Coolant Type Volume Estimated Price (VNĐ)
Honda Coolant 1 liter 150,000
Toyota Coolant 4 liters 200,000
Ford Coolant 5 liters 250,000
BMW Coolant 1.5 liters 300,000

Note: Prices are for reference only and may vary depending on time, dealer, and promotions.

Important Notes When Adding Coolant

  • Use the Correct Coolant Type: Each car make and model requires a specific type of coolant. Using the correct type ensures optimal performance and prolongs the cooling system’s lifespan.
  • Never Open the Radiator Cap When the Engine is Hot: This can cause severe burns due to high pressure in the cooling system.
  • Check Regularly: Check the coolant level regularly, at least every two weeks or before long trips.
  • Replace Coolant Periodically: Replace coolant according to the manufacturer’s recommendations or if it appears dirty, discolored, or has a burnt smell.

Where to Buy Car Coolant

To ensure you purchase genuine, high-quality products, buy coolant from authorized dealers, reputable stores, or major e-commerce platforms like Tiki, Shopee, and Lazada.

Special Offer: When you purchase a truck from XE TẢI HÀ NỘI, you’ll receive a free maintenance package, including regular coolant checks and top-ups. XE TẢI HÀ NỘI is committed to providing customers with the best products and services.

Visit our showroom at [showroom address] or contact our hotline at [phone number] for consultation and support.

Related Products

Besides coolant, XE TẢI HÀ NỘI offers a wide range of genuine spare parts, accessories, and truck enhancements from renowned brands like Hino, Isuzu, Hyundai, and Thaco Trường Hải.

Conclusion

Adding coolant is essential for maintaining your engine’s performance and longevity. We hope this comprehensive guide provides you with the knowledge to care for your vehicle.

If you have any questions, please leave a comment below or contact XE TẢI HÀ NỘI directly.

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