Has anybody rebuilt a window regulator?

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Dec 9, 2014 | 05:32 PM

Blak77

Thread Starter

Instructor

Joined: Jun 2014

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Has anybody rebuilt a window regulator?

Hey guys my driver window is slow going up and doesn't quite have the power to go all the way up without a little help also it drops about 2-3 inches when I roll it down. The guy I bought the car from said it needed a new regulator has anybody rebuilt one or have any advice? Should I also buy a motor while I hav e it open? Thanks in advance

Dec 9, 2014 | 09:14 PM

cb.bums

Racer

Joined: Mar 2012

Posts: 353

Likes: 3

From: cincinnati oh

probably the spring is either weak, more probably broken. you can buy just the spring. a challenge to replace and rewind. if you treasure your pinkies, buy a new regulator. if the motor still runs, don't fix what ain't broke.

Dec 9, 2014 | 10:10 PM

MrJlr

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Joined: Feb 2006

Posts: 12,239

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From: Chino CA

WARNING! !!!!!!!!!!!!

If your spring is NOT broken, the regulator will be under high spring tension!
Removing the motor will let her go - capture the arms before removing the motor.

Or get used the nickname "Lefty"

Dec 9, 2014 | 10:24 PM

Blak77

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So will I need to open the inner part of the door, under the interior door panel? I've had the interior panel off and couldn't really see the window mechanics

Dec 9, 2014 | 10:44 PM

MrJlr

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Joined: Feb 2006

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From: Chino CA

Quote:

Originally Posted by Blak77

So will I need to open the inner part of the door, under the interior door panel? I've had the interior panel off and couldn't really see the window mechanics

Yes, it will take an hour or 2 to get the regulator out. First you have to remove the window. Then collapse the regulator to the down position and pull it out of that tiny access hole.

Sounds hard, looks impossible - its not though.
People do it all the time.
Take your time, take pics if at all possible. Take care working in there - the access hole has sharp edges.

If you get all screwed up - we're here to help

Edit: Forget to mention - it's just as much fun putting it back in!

Dec 9, 2014 | 10:52 PM

MrJlr

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From: Chino CA

Quote:

Originally Posted by Blak77

So will I need to open the inner part of the door, under the interior door panel? I've had the interior panel off and couldn't really see the window mechanics

There's some plastic cover or something as I recall. Once removed you'll be able to see inside.

Dec 9, 2014 | 11:17 PM

speedreed8

Melting Slicks

Joined: Oct 2006

Posts: 2,417

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From: Texas

buy a new one, save yourself some frustration.

Dec 9, 2014 | 11:21 PM

MrJlr

Race Director

Joined: Feb 2006

Posts: 12,239

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From: Chino CA

Quote:

Originally Posted by speedreed8

buy a new one, save yourself some frustration.

Where's the fun in that? !!!

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Dec 10, 2014 | 12:24 AM

Blak77

Thread Starter

Instructor

Joined: Jun 2014

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All right thanks fellas I will post pics and results here. The whole driver door situation needs attention. A little (maybe a lot of) adjusting to get it closing right, a pull and lock **** and get the window working right should add a bunch to the driving experience

Dec 10, 2014 | 06:09 AM

#10

MrJlr

Race Director

Joined: Feb 2006

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From: Chino CA

Quote:

Originally Posted by speedreed8

buy a new one, save yourself some frustration.

Someone is still going to have to put it in.

Dec 10, 2014 | 01:51 PM

#11

mrvette

Team Owner

Joined: Jul 1999

Posts: 65,492

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From: Orange Park Florida

OP, PM or email me, I can walk you through it, not all that hard, really, but then again I been working on cars for some 60 years now....

maybe that's why I krazy......

Dec 10, 2014 | 11:22 PM

#12

TimAT

Le Mans Master

Joined: Oct 2006

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From: Gladstone MO

C3 of Year Finalist (appearance mods) 2019

Quote:

Originally Posted by mrvette

maybe that's why I krazy......

Seriously- the spring on the regulator, even an old worn out one, has the ability to snap the sharp edges on the arms together with enough force you'll need a trip to the ER- either for some stitches or to finish the amputation. Pay attention to the service manual about how to lock the arms.

Dec 11, 2014 | 07:53 PM

#13

cue487023

Racer

Joined: Mar 2012

Posts: 262

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From: New South Wales

Helpful photo

I thought this was a helpful pic to better understand how the mechanism works. If you first understand how it works I think it is easier when you go to fix it. Hope it helps.

Dec 11, 2014 | 08:50 PM

#14

MrJlr

Race Director

Joined: Feb 2006

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From: Chino CA

Quote:

Originally Posted by cue487023

I thought this was a helpful pic to better understand how the mechanism works. If you first understand how it works I think it is easier when you go to fix it. Hope it helps.

That is AWESOME

Dec 11, 2014 | 10:23 PM

#15

Peterbuilt

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Joined: Aug 2006

Posts: 7,431

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From: mount holly NC

2025 c3 ('74-'82) of the Year Finalist - Unmodified

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Quote:

Originally Posted by Blak77

You may fine the regulator is OK but that the grease on the tracks has turned to tar and slows down the works.
There are many 'how to' but the vendors, here's one:
http://www.corvettemagazine.com/tech...power-rebuild/

Dec 11, 2014 | 10:24 PM

#16

Peterbuilt

Le Mans Master

Joined: Aug 2006

Posts: 7,431

Likes: 1,561

From: mount holly NC

2025 c3 ('74-'82) of the Year Finalist - Unmodified

2019 C3 of Year Finalist (appearance mods)

Quote:

Originally Posted by Blak77

You may find the regulator is OK but that the grease on the tracks has turned to tar and slows down the works.
There are many 'how to' but the vendors, here's one:
http://www.corvettemagazine.com/tech...power-rebuild/

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