I was driving an 83 CJ-7 with a T-5 5-speed the other day and it the transmission worked very well, no grinding into gears, etc., except that sometimes it was hard to "find" third. When moving the shift lever up from second to third sometimes I missed getting it into gear and had to move the shift lever a little left or a little right to get it into gear. If I hit the mark, it went into gear effortlessly, but like I said, sometimes it seemed hard to find third. Vehicle has a little over 100k miles.
Question: is this a worn shifter or linkage (and easy to fix without removing the transmission), or might this be internal to the transmission?