How to adjust the valves on a Honda Element, valves tighten up, and you never know this until engine damage occurs. Jam Nut Tool: Feeler Gauge Set: This is my Amazon affiliate link appreciate you using it. Your valves need adjustment at 100k miles, anyone can do this, even if you don’t have much automotive knowledge, this video will walk you through the process, this could also improve gas mileages, please give the video a like, I spent a lot of time on it to help my fellow Element friends.