when i run the front window down , about 2/3rds way there is a clank.. sounds li on 2004 Pontiac Vibe

every time i roll down the window

Asked by for the 2004 Pontiac Vibe
poss regulator issues or bad track. seek an insp after door panel is removed
1 more answer
Mind did this as well. Just recently it did it much louder, then popped, and hasn't done it since! The window still works great...