alright my nova needs a window on the driver side and i put the new moving gear thing in it.because it was shot.well i went to drop the glass into it and i cant get the rollers to go into the track of the window..my ? is does the window have to all the way down,half way or what.it in the up postion right now and i cant get it in..i would of kept fucking with it but i ran out of day light

thanks for the help