How to Choose the Right Engine Coolant for Your Vehicle

Most car owners check their oil without thinking twice, but rarely give coolant a second thought — until the temperature gauge climbs, the heater stops working, or the fluid in the reservoir looks more like rust soup than anything else. The problem is that coolant mistakes are slow and silent. Using the wrong engine coolant, or topping up with something that doesn't match what's already in the system, causes damage that builds quietly until it becomes expensive. Here's what you need to know before you pop that reservoir cap.

 

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