jsharp007 2/8/2012

2000 Chevrolet Suburban 2500 LT 8Cyl6.0L - Body & Interior

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Power window goes up slowly - Changed motor and regulator and problem persists.

Are there adjustments that can be made or does it need some kind of lubrication. It goes down fine, just seems to struggle to go up.

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  HouseCallAuto 2/9/2012

  If you did not buy an ACDELCO unit I am not surprised. I recently had the same issue on a car, I forget what car it was. I then bought ACDELCO and the problem was no more.

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  jsharp007 2/9/2012

  Seriously, that's your answer? I had the stock GM product acting up & bought a "new" replacement product & it performed the same way. I agree that more often than not you get what you pay for, but this is a simple motor and a little more complex setup with the cables and pullleys. I think that there is something more at play here than OEM parts, I was hoping to get a more productive answer. Is there an issue that I should check out with lubing the track or can the window get out of alignment?
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  HouseCallAuto 2/9/2012

  There are only two possible causes here. When you remove the regulator ass'y from the door and you are able to move the window up and down with your hand from the bottom of the window (just like the regulator does) you will either be able to move the window easy and smooth or not. If it has a window track binding the window you will immediately feel it in the "up" direction or you won't. Make sure that the rubber guides that the window rides in are there and have not peeled out. That being said, if the window moves too slowly and you are using anything but OEM, I told you what to do. Do not lubricate the track.

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