In a message dated 9/3/00 2:26:25 PM Eastern Daylight Time,
WoodyHalsey@COMPUSERVE.COM writes:

<< Any tips on servicing the locking mechanisms on the lsiding windows. The
 buttons on mine seem to go up and down as before, but the latch no longer
 catches the cutouts in the frame, so the windows can always be opened form
 the outside. Also, the tend to ride "opened a crack."
  >>

your little black plastic sliding window track guides are worn/missing.
you can still get these from the dealer, theyre pretty cheap..like 2 bucks or
less. but you have to order the one for the '85 up windows and trim the
little nib off it with a pocketknife to fit the 80-84 windows

chris