The camshaft is inside the engine. Take it to a qualified mechanic.
〉 Answered on Sep 12th, 2013 by Barb Petrey, President - DBK Enterprises Inc at Jiffy Lube
Its possible. You may need to take it to a shop and have them pull the valve covers to see whats going on. At that point, they can see if there is an oil issue, worn bearing issue or something else mechanically going on.
〉 Answered on Sep 12th, 2013 by Helaine Kurot, Owner/Technician at 360 Automotive