Just took ownership of the car a few hours ago it is a stick shift and noticed it grinds going into 4th and 5th gear. 5th will eventually stop grinding but 4th goes it no matter what. Not a loud grind but enough to hear it some. Clutch grabs great. Feels solid. Is this a common issue? I was thinking changing the transmission fluid with some sycromesh. Always had good luck with that in other vehicles.