In this short video, I show you how I used my snap-on leak down tester to find a leaking intake valve and bad valve seat on a cylinder head from a 2002 Ford F150 Lightning 5.4l V8 engine. !!!Please don't forget to "LIKE" the video & "SUBSCRIBE" to the channel!!! ********************************************************************** *If this video helped you in any way and you would like to donate. Please Click the link to Donate! https://paypal.me/advancedlevelauto Thank you so much for your support! *********************************************************************** Visit our Amazon store here https://www.amazon.com/shop/advancedlevelauto to shop for our channels recommended tools and gadgets! ************************************************************************ If you enjoyed this music then checkout Epidemic Sound here!https://www.epidemicsound.com/referral/9rvq0p/ ************************************************************************* *You can email your questions and concerns to advancedlevelauto@gmail.com Disclaimer: Due to factors beyond the control of Advanced Level Auto, I cannot guarantee against improper use or unauthorized modifications of this information. Advanced Level Auto assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. Advanced Level Auto recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of Advanced Level Auto, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Advanced Level Auto.