Coolant service involves draining and refilling your vehicle’s cooling system with fresh antifreeze. During a coolant system service, your automotive technician will thoroughly inspect your radiator and your engine’s cooling system to make sure all is functioning properly. The tech will then remove all of the antifreeze/coolant from the radiator and replace it with new fluid. The purpose of the service is to remove deteriorated or contaminated fluid that may hinder your engine’s performance.
 
Most vehicles require coolant service near 100,000 miles. Some older vehicles may require service more often.
 
Please also read 5 Signs That Your Vehicle Needs Antifreeze/Coolant Service to learn more about coolant service including what coolant is, what it does, how often coolant service is needed, the difference between a “coolant flush” and a “coolant drain and fill,” and more.

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