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GMC Forum: 2000 Jimmy rear window will not open
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  #1  
Old 01-30-2019, 07:01 PM
rdy4trvl rdy4trvl is offline
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Drives a 2000 Jimmy, 2007 Solstice
 
Join Date: Aug 2012
Location: California...low rust state
Posts: 2
Default 2000 Jimmy rear window will not open

I can hear the mechanism operate when either of the buttons are pushed but the window remains locked.

I suspect whatever connected the mechanism to the latch is broken. Anyone repair this? Is it difficult?
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  #2  
Old 02-24-2019, 05:18 PM
larryderouin's Avatar
larryderouin larryderouin is offline
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Drives a 2013 GMC YUKON XL
 
Join Date: Feb 2019
Location: Baltimore Metro Area
Posts: 11
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The window on my '95 Jimmy would stick to the rubber gasket and make it act like it was the mechanism wasn't working. Take a metal paint scraper (suitably lubricated with WD-40) and slip between the bottom of the window and the tailgate. While pulling a little on the scraper handle (don't go MONGO on it.....(Watch Blazing Saddles if you're NOT familiar with the term MONGO)) repeatedly press the button on the tailgate. It should release.


If it doesn't, you'll need to get inside and remove the interior panel for the tailgate. (I just remembered 98 and up had a 1 piece flip up tailgate rather than separate tailgate and Window.) Remove the Interior panel. The Latching assy is right where the Window loop inserts to the tailgate.

Remove the mechanism and spray PB BLASTER (similar to Liquid Wrench) on the latching mechanism, to soften old congealed grease and caked on dirt and debris. Clean mechanism as good as you can get it (Brake cleaner has enough force to blast the crud out. Use Non-Chlorinated version.) then coat it with White Lithium grease and exercise it manually 10-15 times. Install and verify operation manually tripping closure. Connect electrical and test again.

A tube of Di-Electric Silicone grease skimmed very lightly on the rubber gasket for the rear window will keep it from sticking further.
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