Squeaky sliding windows in 31MB

[991 C4S]

I have 2020 31MB and two large windows make high pitched squeaky noise when opening and closing. I sprayed silicone and only helped little.
Anyone has fix for that?
Thank you.


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[geotex1]

Provided the windows were not over-tightened during their initial installation and have a distorted track, remove the panels and clean all silicone off of window and track. Then use a bar soap like Safegard or Ivory and rub along the top of bottom of window where it sits in the track
Then lubricate the lower track with some graphite and reinstall the window. The windows are heavy and rollers aren't used in the RV industry windows. So the solid lube of graphite acts like them and the soap stays put and won't make a mess of the window that can't be easily cleaned up and won't stain.