I have a 78 malibu that has factory power locks and windows. The problem is on the drivers side window only. When I roll it up it dosen't go up straight there will always be a gap towrds the back and i'll have to shut the door and pull it back where it should be. Also some times when i roll it down it will sound like it falls off the track or something but it never dose. I would appriciate any help and advice you guys can give me Thanks.