Need your help please, Anyone have recent experience with replacing or overhauling the Fuel Selector valve on the M20J. My A&P tells me it needs replacement or overhaul because you can't feel the L or R position detents anymore. Since I have owned the plane I never could feel any detents when changing selector positions but the high friction load on the selector valve handle pretty much guaranteed it wasn't going to move anyway. It takes about double the continuous effort to rotate the val