Car Coolant Loss: Causes and Solutions

Car Coolant Loss: Causes and Solutions

08/02/2025
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“Water dripping day by day wears the hardest stone away,” this proverb certainly rings true, especially for trucks working tirelessly day and night on all roads. Drivers, especially those new to the profession, are likely familiar with the phenomenon of coolant loss in cars. So, what are the causes and how to fix this problem? Let’s explore with Hanoi Trucks in the article below!

1. Causes of Coolant Loss in Cars

There are many reasons why a car loses coolant, from simple and easily fixable issues to complex problems requiring professional repair. Here are some common causes:

  • System Leaks: This is the most common cause, possibly due to a loose radiator cap gasket, cracked or loose coolant hoses.
  • Malfunctioning Cooling Fan: The cooling fan helps dissipate heat from the coolant. If it’s not working efficiently, the coolant won’t cool down properly, leading to faster evaporation.
  • Faulty Radiator Cap: The radiator cap maintains pressure in the cooling system. If it’s damaged, the system’s pressure will fluctuate, causing coolant to overflow or evaporate easily.
  • Fa faulty Thermostat: This component regulates the coolant flow through the engine. A stuck closed thermostat prevents coolant circulation, causing overheating and loss.
  • Blown Head Gasket: This is the most severe case. A blown head gasket allows coolant to leak into the combustion chamber or engine oil, causing serious engine damage.

Coolant leak from a radiator capCoolant leak from a radiator cap

2. Price List for Coolant Loss Repair Services

Service Estimated Price (VNĐ) Lowest Price (VNĐ) Note
Radiator Cap Replacement 150,000 – 500,000 120,000 Depends on vehicle type
Radiator Cap Gasket Replacement 50,000 – 150,000 30,000 Depends on vehicle type
Coolant Hose Replacement 200,000 – 1,000,000 150,000 Depends on vehicle type and hose location
Radiator Flush 200,000 – 500,000 180,000
Cooling Fan Replacement 500,000 – 2,000,000 450,000 Depends on vehicle type
Thermostat Replacement 300,000 – 1,000,000 250,000 Depends on vehicle type
Head Gasket Replacement 2,000,000 – 5,000,000 1,800,000 Depends on vehicle type

Note: The prices listed above are for reference only. Actual prices may vary depending on time, dealer, and vehicle make.

3. Frequently Asked Questions About Coolant Loss

3.1. Is coolant loss dangerous?

Very dangerous! If your car is losing coolant and you continue to drive, the engine will overheat, leading to serious damage, and possibly even engine seizure.

3.2. How often should I change my car’s coolant?

Generally, you should change your car’s coolant every 40,000 km or 2 years. However, you should consult the manufacturer’s guidelines for the specific coolant change interval for your vehicle.

3.3. What type of coolant should I use for my car?

There are two main types of coolant on the market: green and red. You should choose the type of coolant that is suitable for your vehicle and operating conditions. It’s best to consult with technicians at reputable garages or authorized dealers.

Overheating car engine with smokeOverheating car engine with smoke

4. How to Purchase at Hanoi Trucks

To purchase trucks and reputable, high-quality truck repair services, customers can visit the Hanoi Trucks Showroom directly at:

  • Address: [Street Number] [Street Name], [Ward Name], [District Name], Hanoi
  • Hotline: [Phone Number]

Or visit our website: https://xetaihanoi.edu.vn/ for more detailed information.

5. Similar Products

Hanoi Trucks is proud to be a provider of a wide range of trucks, including:

  • Hyundai Trucks
  • Isuzu Trucks
  • Hino Trucks
  • Thaco Trucks
  • Dongfeng Trucks

In addition, we also provide professional and reputable truck repair and maintenance services.

Conclusion

Hopefully, this article has provided you with useful information about coolant loss in cars. Regularly inspect and maintain your vehicle to ensure it’s always in top condition. If you notice any unusual coolant loss, take your car to a reputable garage for inspection and timely repair.

Various truck brands: Hyundai, Isuzu, Hino, Thaco, DongfengVarious truck brands: Hyundai, Isuzu, Hino, Thaco, Dongfeng

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