The sliding mirror door on my bedroom closet has been getting stuck halfway open for weeks, and this morning the plastic wheels completely jumped the tracking line and jammed the whole frame sideways. I thought I’d just lift the metal frame up, pop the roller wheels back into the groove, and move on with my day. Instead, I spent an hour hunched over on the floor getting covered in old carpet lint and fighting against a warped metal track.
The bottom track channel was completely packed with years of compressed dust, dog hair, and random grit that had basically turned into solid cement. Trying to clear it out with a vacuum did absolutely nothing, so I had to sit there with an old butter knife, manually scraping the gunk out millimeter by millimeter while the door frame kept sliding down and pinching my fingers. When the tracks were finally clear and I tried to lift the heavy glass door back onto the rail, the tiny plastic roller wheel on the bottom completely snapped right off its housing.
I had to take the entire heavy mirror panel completely off the wall, lay it flat on the bed, and hunt down a spare roller assembly in the garage. Trying to screw the new plastic wheel casing into the thin aluminum border while keeping the mirror from cracking was an absolute test of nerves. Then, when I finally hoisted the door back into the ceiling tracks, the top guide clips kept popping out of the channel every single time the frame tilted even a tiny bit.
The door finally slides back and forth along the rail now without getting jammed or making that horrible grinding noise. The alignment is mostly straight, but the bottom track is still slightly bent from where it originally warped, so there’s still a tiny bump right in the middle of the glide. The closet shuts all the way now.