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Old 07-13-2019, 10:17 PM
Join Date: Apr 2017
Location: Gunnison, Colorado
Posts: 110
jnclem is on a distinguished road
Window Regulator Bolts Loose

My driver's door had been rattling for some time. I thought it was from a set of keys I keep in the lower pocket. But last week, the window suddenly got jammed in the down position. From what I had read, I assumed it was going to need a regulator - my first time dealing with that problem.

As I did more research, I started to suspect the plastic clips more than the regulator. I was able to gently pry the glass forward at the back and get the window back up until my parts arrived. I ordered a regulator and two clips.

Today I dug into it. What I found was that indeed the rear clip was shot, the front one is still in good shape. But I also found that the rear lower, and front upper, bolts that hold the regulator in had both come completely loose. I found the nut for the rear one, but never could find the nut for the front one. The threads were fine so I put the rear one back on with some blue loctite, and put a nyloc 10mm on the front one.

The other two bolts were still tight. After tightening the two that had come loose, and replacing the clip, I sprayed the tracks with teflon and everything works fine. I think I'll keep the regulator since that window gets used so much.

Next time I hear any rattling inside the door, or the window makes a cracking sound when I put it up, I will check first for loose bolts. I just thought it was interesting and that someone else might run into the same problem.
2002 e53 X5 4.6is Estroil blue/ Black interior (Build Date 04/02)
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Old 07-14-2019, 12:03 AM
andrewwynn's Avatar
Join Date: Jun 2015
Location: Racine, WI
Posts: 6,160
andrewwynn is on a distinguished road
I've fixed this problem twice on wife's car recently about 6 months apart.

Thread lock is a requirement. If you don't use thread lock expect to be doing that repair regularly.

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E53 / M54 2001 3.0i gas LHD (pair of them: his & her)
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