How to Replace the Spark Plugs on a 2006-2015 Mazda CX-9 with 3.7L Engine

Brian Eslick from How to Automotive http://www.howtoautomotive.com takes you step-by-step through the process of replacing the spark plugs on a 2006-2015 Mazda CX-9 with a 3.7L engine. This video also features the new Milwaukee Tools M12 FUEL 1/4 and 3/8 cordless ratchets.