Connecting a Back Flow Prevention Valve

by Nathan McCullough; Updated September 18, 2017

Reconnecting a back flow prevention valve, garden hose, and drain hose. Learn about flushing coolant systems in this free car maintenance video.

About the Author

Nathan McCullough graduated from Nashville Auto Diesel College in 1998 and received their “Craftsman” Award for maintaining a 3.5 GPA. He holds 7 of the 8 possible automotive repair certifications. Nathan has worked as a technician and service manager for both independent repair facilities and dealerships. He has also worked for Michigan Caterpillar.

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