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.
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Repair is normally very expensive. Might be best to try and get the window shut and pull the fuse. Remember that there are drain holes on each side of the window to prevent it from leaking. Dont let any debri get in there.
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.
. Hold the glass like a pizza pan for it will slide down as u loosen each screw, remove the screws then lift upward and rest glass on roof. Removing the glass will give a good view of both guide rail and concting arms. The crunch you heard was one of the connecting arms plastic rail guide tips breaking. Picture a catamaran for a moment. The pontoons are the plastic pieces that slide fore and aft inside the rail and keep everything aligned. It will be the outside(pontoon) guide piece that failed. When that broke, a lot of play was allowed and began binding. Bless the poor folks who bought a whole new unit for nothing. I fabricated two pieces from the plugs off an older dell power supply. The plugs were the exact same length as the factory guides and even beveled ends. I only had to cut the plugs in half long ways and then install on the slider. Even the holes that are already in the plugs fit the stud (pivot stud that the pontoon slides onto) the guide. Sunroof will not vent if any of the pontoons are damaged. When venting, theses guides(pontoons) pivot upward through a slot on the top side of rail slot and rest on the rail so not to close by wind. Hope this helps. Any questions eamail me at dubyadubyadubya dot maxrevadvisors at g mail.
Thats a hard one. I currently build and have installed sunroofs for 20yrs. the problem is an electric motor keeps you from moving the glass if there is no power. If power is present and the motor can not move the roof then there is usually a broke component. I have seen were people have tried to break in by pulling up on the glass and this will break the plastic locking mechanism. Dealer will have to get replacement parts to repair. Should be under warranty. Hope this sends you in the right direction.
Had a smiilar problem with my 2000 Freelander, the runners on the sunroof have plastice teeth which snap off, if you remove the plastic strips on the inside of the sunroof you can unscrew the glass take it out force the sunroof into the closed position and reattahch the sunroof, then never use it again
What they are talking about is the cables that move the sunroof open and closed, these have plastic pieces that can break so I suspect that this is what the problem is. The reason that it's so expensive is that the headliner has to be removed and then the entire sunroof assembly so it can be taken apart and the cable assemblies that go into the guide rail can be replaced. It seems a little high at the dealer which is understandable, try checking around in your area for someone that can do the labor, the parts are around $400. You should be able to get someone that knows how to do this for around $800 or so labor.