Slow power windows.

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Apr 17, 2010 | 03:45 PM

charv66

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Joined: Mar 2010

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Slow power windows.

Both motors do work on my 86 but are painfully slow. The driver side window sometimes needs my help to go all the way up. Is this a sign of bad/failing motors or is there any preventive maintenance I could look at?

Thanks,
-Vince

Apr 17, 2010 | 03:53 PM

viii

Racer

Joined: Jun 2001

Posts: 377

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From: Chicago IL

you'll hear from other members to upgrade your window to a sissors type lift for the later years. I have not done that on my 85, i took the door panel off and cleaned everything and use some white lithium grease on the moving parts, works much better - still not as fast as i'd like.

Apr 17, 2010 | 03:57 PM

charv66

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Quote:

Originally Posted by viii

Thanks. I'll take the door panels off and do same. Anything special I should know about taking the door panels off and reinstall?

-V

Apr 17, 2010 | 06:41 PM

HlhnEast

Safety Car

Joined: Nov 2008

Posts: 4,328

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From: Jacksonville FL

Quote:

Originally Posted by viii

Yeah you will hear it from me, the newer style regulators are great. My car already had one on the passenger side and I upgraded the drivers. As long as yours function, use em, when they quit, upgrade.

Apr 19, 2010 | 11:39 AM

DavePlum

Drifting

Joined: Mar 2008

Posts: 1,715

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From: Tx

Quote:

Originally Posted by HlhnEast

Yeah you will hear it from me, the newer style regulators are great. My car already had one on the passenger side and I upgraded the drivers. As long as yours function, use em, when they quit, upgrade.

Wait until you need to replace them.

Apr 19, 2010 | 05:39 PM

RWDsmoke

Drifting

Joined: Jan 2005

Posts: 1,350

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From: San Antonio Tx

I agree with the cleaning. New switches also helped mine. Dirty and worn contacts in the switches will make them run slow.

Apr 19, 2010 | 06:31 PM

car5car

Racer

Joined: Sep 2008

Posts: 456

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From: FL

I just replaced brushes on my 94. I used brushes from 02 Century.
Problem is not even brushes, brush springs get rusty and lose strength. regulators on my 3 Vettes were fine.
Which part of regulator goes bad?

Apr 19, 2010 | 06:39 PM

Guitarguy

Instructor

Joined: Jan 2003

Posts: 165

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From: Marianna FL

i had this problem on a c3 i had. i took the window motors out to find the factory grease got so hard and dry it almost would not turn at all cleaned the old grease out of the gears, regreased and installed old motors and wow what a difference.