When Do I Need To Change My Coolant?

Written by Brotherhood Garage

March 2, 2021

We all know you should have your oil changed every few months to keep your car running smoothly, but what about other liquids? Do you know when is the best time to change your engine coolant? The standard for most cars is every 30,000 miles but this varies by model. If you’re a car owner you should know when your car needs its coolant changed, why, and how. 


Most cars use long-life coolant which is a 50/50 mix of antifreeze and water to protect the radiator from hot summers and freezing winters. This allows you to keep driving with almost no regular maintenance because now the car has longer intervals between changes. Many auto shops will recommend a fluid change every 30,000-50,000 miles. 


So, why do you need it changed? Well, coolant will deteriorate over time. Unlike oil, it is a little harder to test by appearances. Your car can even tell you that the reservoir is sufficiently full but an antifreeze flush might be needed. 


When deteriorating, coolant can become acidic and cause corrosion. The corrosion will overtake the radiator, thermostat, and your heating/cooling system. If it stops your car from maintaining proper temperatures, you may face an overheating problem with your engine! 


That’s why when you hit that 30,000-mile mark, you should take your car in to get tested. Allow a mechanic to look for signs of corrosion, rust, and test your heating/cooling system. If they find corrosion and deterioration, the antifreeze coolant should be changed. Your mechanic will also go ahead and flush your coolant to remove contaminants. That way if your car is experiencing a problem it can be solved before you are broken down on the side of the road with a hot engine. 


The mechanics at Brotherhood Garage can ensure that your car is serviced and maintained, to keep you and your family safe on the road. If you need help with any of these tips, feel free to ask us for help. If you would like to make an appointment, call (405) 265-7617 today.


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