no you should just be able to remove the interior panel and you can roll the window up/down untill you see the bracket where it clamps onto the window. you can then hold the window and slide it back into the clamps and tighten them back up.
hope that helps
SVT Squad #227 || Build # 1329 of 1978 || FF ROTM Oct. 2006
2004 Comp. Orange SVT 3dr. (Old)
2013 Focus ST White ST3 (Current)