I’m trying to remove the cam/valve cover and have everything disconnected as well as all the bolts removed and for the life of me cannot figure out how to take the cover off. I see the metal dowels holding it in place, but cannot get it to budge. My plan was to replace spark tube o rings put down a new bead of gasket sealant Due to oil in the spark plug tubes as well as oil on top of the cover. Someone please help!!!