whatever you do dont take the caps off on the outside of the glass...one of mine aint sat properly ever since while the window is out...put the brakets onto it and hand tight them from the INSIDE screws...line up the window and then when everything is screwed into place and the window is on...tighten them a little more as they are pretty hard to do as the outer and inner part can spin (still will be tight though so no worries about them falling out )

bassboy