How to Flush Coolant : Connecting a Back Flow Prevention Valve

Reconnecting a back flow prevention valve, garden hose, and drain hose. Learn about flushing coolant systems in this free car maintenance video. Expert: Nathan McCullough Bio: Nathan McCullough graduated from Nashville Auto-Diesel College with a GPA of 3.5 and received their Craftsmanship Award and Honor Seal. Filmmaker: Robert Rogers
Video Rating: 4 / 5

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