Quote Originally Posted by mugen_ctr View Post
common problem, the window has fallen out of its rails, simple fix, jus take off door card, an loosen the bottom window rails so u can move the window back into the rails, an spray little bit of silicon onto it to lubricate the rails

happened to me twice
Yeah it's a common problem, happened to a mates windows, both sides as his car was inactive for a few years so the rubbers must've dried up. I got it in place and sprayed wd-40, works smooth and fine but it popped out again, and ever since we haven't bothered. Would silicon spray be better?