How the Coolant Overflow Reservoir Works in a Honda Engine
If you’ve ever popped the hood of your Honda, you’ve likely noticed the semi-transparent plastic container labeled “coolant” or “engine coolant.” This unassuming component is called the coolant overflow reservoir (also known as the coolant expansion tank or recovery tank), and it plays a crucial role in your Honda’s cooling system. Today, I’ll explain how this simple yet effective system works and why it’s important to keep an eye on it.
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