Diagnose Loose Window Glass! Did you notice a rattling noise inside your car or truck's door while the window is down? Maybe the window glass is crooked, or stuck? It's time for some diagnosing! In this video, Len shows you how to diagnose window glass when it might be off the regulator, or out of the tracks! He'll guide you through disassembling the door panel to access the window regulator, and reset the window glass! #carwindow #1aauto #autorepairtips #autorepair | 1A Auto Parts