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Old 11-12-2009, 01:50 AM
Hank Fisher Hank Fisher is offline
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Join Date: Nov 2009
Location: North Georgia Foothills
Posts: 11
Quote:
Originally Posted by rscurtis View Post
I had a similar problem with my 300 and I removed the regulator and disassembled the motor. The bearings were frozen. A little cleaning and lubrication and good as new. Since the window was stuck in the closed position, I removed the motor from the regulator while it was still in the door.
@rscurtis:
My window is also stuck in the "up" position. I think you are saying that somehow you got the motor free from the scissor-like regulator assembly, and removed only the motor from the door. I would like to do this too, if that's all I need to do. Did you remove the motor only, or was that just a step towards getting the regulator assembly out? It looks to me like one of the motor bearings is up inside the larger gear assembly, judging from Phil's photo blowup.

I see two of what appear to be Torx headed screws where the motor meets the gear assembly. If I can get those screws out, will I be able to pull the motor and its worm drive gear straight out? Will the "regulator scissors" then compress and allow the window to come down? Does the window fall, or does it need some help getting down?

@Phil and rscurtis:
W
hat type of lubricant did you choose to use on the motor bearings when you worked on yours?

Quote:
Have you checked the wiring where it runs through the door. The insulation may be frayed and shorting out.
@blindwolf:
Thanks for the tip about the wiring. I'll check that.

Thanks again!
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Hank
1985 300D 344K, 1991 300SE 160K

Last edited by Hank Fisher; 11-12-2009 at 10:26 AM. Reason: another dumb typo
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