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Coolant System

What is a coolant system?

Your vehicle's coolant system is critical for keeping your engine at a safe temperature and preventing overheating. The system works by circulating coolant fluid through the engine, which absorbs the heat generated during combustion. The fluid then flows through the radiator, where it releases the heat to the outside air and returns to the engine to repeat the cycle. To ensure that the coolant stays within a safe range, the system has a thermostat. Additionally, a water pump helps circulate the coolant fluid through the engine and radiator. The system is typically filled with a mixture of water and antifreeze to prevent freezing in cold temperatures and boiling in hot temperatures.

Why should you maintain your coolant system?

If the coolant system is not functioning correctly, the engine could overheat, resulting in engine failure and expensive repairs. To ensure optimal performance and prevent any potential engine damage, it is crucial to regularly maintain the coolant system, which includes flushing and refilling the coolant fluid. Don't wait until it's too late. Proper maintenance of the coolant system is essential for efficient functioning and to prevent damage to the engine and other car parts caused by overheating. 

It's recommended to take your car to a professional mechanic for more complex issues. Taking proper care of your vehicle is essential for its longevity and cost-effectiveness. At Lions Automotive, we recognize this and provide excellent coolant services conducted by experienced technicians. Our comprehensive coolant flush service guarantees that your vehicle maintains an optimal temperature, which ultimately extends its lifespan. Contact us today to discover more about how we can assist you in maintaining your vehicle.

OEM Coolant with Radiator Cap Open

We are conveniently located in Torrance, CA, and service the surrounding areas of Gardena, CA, Palos Verdes, CA, Carson, CA, Lomita, CA, Wilmington, CA, San Pedro, CA, Hermosa, CA, Hawthorne, CA, Redondo Beach, CA, Manhattan Beach, CA, and El Segundo, CA. Stop by today for a coolant system service and experience why our slogan is

"Service You Can Trust"

Know the signs of coolant system issues.

Maintaining your car's coolant system is crucial to its performance and longevity. If you suspect an issue with your car's coolant system, it's essential to address it promptly in order to avoid serious engine damage. It's good to know what to look out for if you suspect you may have a coolant system issue.


The first and most obvious sign of a coolant system issue is an overheating engine. The temperature gauge in your vehicle should be sitting around the middle of the gauge if your coolant system is running correctly. If it's running too hot, it could be due to a lack of coolant, a leak in the system, or a malfunctioning part. It's essential to address this issue promptly to avoid severe engine damage.


Another sign of a coolant system issue is a low coolant level. If you notice that your engine coolant level is low, it could be due to a leak in the system that needs to be addressed immediately. A low coolant level could cause your engine to overheat and lead to engine damage.


If you see puddles on the ground or abnormally colored stains on the bottom of your vehicle, it could signify a leak in your coolant system. The color of the coolant could also indicate a problem. If you notice that the coolant is brown or rusty, it could indicate that there's rust in the system, which could lead to corrosion and engine damage.

Being aware of the signs of a coolant system issue is essential for maintaining your car's health and performance. If you notice any of the signs mentioned above, it's important to address the issue promptly to avoid severe damage to your vehicle. Regular maintenance and inspection of your car's coolant system can help prevent issues from occurring in the first place, and save you money in the long run.

Overheating Engine

Low Coolant Level

Puddles or Stains

Keep your cool and follow these coolant system maintenance tips!

Maintaining your vehicle's coolant system is simple, as well as essential to ensuring its longevity and performance. Regular maintenance of your coolant system can help you avoid costly repairs and keep your vehicle running smoothly. Here are some tips on how to maintain your vehicle's coolant system:


Be sure to inspect the coolant level regularly, especially before long trips. Make sure that the coolant level is between the "min" and "max" levels on the reservoir. If it's low, add the recommended type of coolant to the reservoir.


Inspect the coolant hoses for any visible signs of damage, such as cracks or leaks. If you notice any damage, replace any damaged or worn-out hoses immediately.


Inspect the radiator cap for any visible signs of damage. Also, make sure that it's properly tightened to avoid leaks and spills because the coolant is constantly flowing through your coolant system. Be careful when doing this, it is not suggested to remove the radiator cap if your vehicle's engine has been running for a while as the contents of the coolant system are pressurized and the liquid can be very hot!


Inspect the radiator for any visible signs of damage, such as cracks or leaks. If you notice any damage, have it repaired or replaced immediately.



It's essential to flush and refill the coolant system every two to three years, depending on the manufacturer's recommendations. These error codes can give you an idea of what might be causing the issue and can be used to guide your next steps.


By following these tips, you can maintain your car's coolant system and prevent costly repairs. Remember, regular maintenance is key to keeping your vehicle running smoothly and avoiding unexpected breakdowns. If you believe there might be a deeper issue with your coolant system, contact us or schedule an appointment today and we'd be happy to help out with our coolant system services!

Inspect the Coolant Level

Inspect the Coolant Hoses

Inspect the Radiator Cap

Inspect the Radiator

Coolant Flush and Refill

Maintaining your vehicle's coolant system is simple, as well as essential to ensuring its longevity and performance. Regular maintenance of your coolant system can help you avoid costly repairs and keep your vehicle running smoothly. Here are some tips on how to maintain your vehicle's coolant system:

Service Overview


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