My Passenger side mirror did not unfold at first today. After several more attempts it did fold out and back in hesitantly. Later on I tried folding the mirrors in and now the passenger mirror seems like it is jammed or whatever, maybe the plastic gear is broke off enough to jam? So the mirror will in fact try to move inward and outwards but only by a fraction of an inch in either direction. I would like the least expensive fix so if it's the plastic gear then that would be cheapest. I am saying it's the gear but it's a guess only. I watched some videos. Anyone with the same issue find what causes this problem and how did you go about repairing it? What's the most likely part that needs to be replaced? How can I determine what the problem is. If I take it apart then I can't drive it.