have done my vectra today,very fiddly,take off door panel,3 screws at the bottom,one at door handle,1 at where you adjust wing mirror,bought one new slider,part number 026e5 vauxhall cost 3.90,when fitting put the righthand slider 1st,on the left lower channel put in slider first,make sure the glass is in both channels,than alighn the lower slider,than press in with molegrips etc,test,than put back together,remeber take your time
mark, July 2009