Question about 2003 GMC Yukon XL

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Plastic Guide rail on sunroof broke

Plastic rail on one side of sunroof jammed then broke, how do I get to it, replace it and find out what its called

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I just purchased a used yukon xl. Both plastic rails are broken.
Solution: Drill out the blind rivet. Start with 1/8 drill bit and remove the head off. The plastic broken part can now be removed.
Install a blind rivet through the new plastic rail and use the rivet gun to squeeze the rivet in place. Make sure it is the right length.
get a grip gage and determine the right rivet for it.
very easy job.

Posted on Aug 27, 2009


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You are all incorrect with diagnosis. And there is no button hokd calibration, stop it. Read on. So easy a caveman could do it. 1.5 hr job only removing glass.

(Inside vehicle)Remove the 4 hex screws that attach the glass to the rail guides and remove the glass panel. This will also allow for manual movement of rails. The glass is adjustable(hight only) so mind the position when removing the screws.
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