window will not roll up properly. front of window is falling

Asked by lfrank44 Jul 24, 2013 at 01:57 PM about the 1999 Pontiac Montana

Question type: Maintenance & Repair

3 Answers

migration_judge_roy answered 10 years ago

taken from AllExperts: sorry but no easy fix here.the door panel will have to be removed and whatever parts broke replaced to keep the window on track

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39,775

James answered 10 years ago

one of the two plastic glass connector tabs broke off, disconnecting glass from sliding track, on regulator assembly . replicable, auto parts and glue,kit .

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billybob567 answered 10 years ago

Had a similar issue on 2001 & 2003 montana. Even replaced the gliders in the window and lubricated the crap out of it. Worked really well for awhile but then problem appeared. Before taking the door panel apart, I would suggest lubricating the rubber guides with silicon spray. Solved my problem. These rubber guides dry up and resist the glass movement causing it to twist and not raise properly. Not sure I have the name right but these guides are above the door panel and basically keep the wind/rain out when the window is raised all the way up. Good Luck.

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