1965 Other Chevrolet Models Window is off its track

If this has the straight track, roll the window down and put the glass up and hold it with tape for amoment. Then fill the track with siliconeRTV and put the window back in the track. Then roll the window up as far as it will go and leave it like that for a couple of days. Then it shouldbe ok. If it has the rollers, on of htem probably is ron to bad or broke an dneed replaceing. Ifyou go to an auto parts store then look in the help section if htey have one for the parts. Otherwise you can go to LMC TRUCK. Com they have catalongs available for replacement parts.