I have a silly question?I had to replaced my U-joints on my rear shaft of my zuk,I did mark the position it was in but being my luck my marks were wiped away by the grease and now im not sure which way I had it?Yoke to the front or rear?Also, i now have a vibration which tells me I dont have it in the right position.I did have to take the shaft apart to do the repair and im wondering if I may have the splines off as well? Im kinda embarassed to even ask,I have done so many of these U-joint repair in my youth it was crazy and now I screw this simple fix up!! lol Just need some input??