What is a coolant flush?

My dad has been bugging me about getting a coolant flush for my car, and I have no idea what that is or why I need it. What is a coolant flush?

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Answer provided by
Bianca (Bee) Davis
Answered on May 02, 2022
A coolant flush is basically a way to clean old, crusty antifreeze out of your coolant system. You get it done at a mechanic or auto parts store. They’ll hook up a hose to your coolant system and pump coolant in to clear the pipes.
It’s a good idea to get a coolant flush every 30,000 miles or 5 years on the road, so if your dad is bugging you about it, it might be time to get this service done.
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