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Regulator spring
#1414505 Tue Jun 22 2021 02:29 AM
Joined: Jan 2019
Posts: 78
J
'Bolter
Anyone know where and also the part number for the spring that goes on the window regulator on a 1950 ? Everywhere I look it either cuts off at 1947 or it just doesn’t look like the spring on on my truck. Picture attached below.

Attached Files
Re: Regulator spring
Joe Alan #1414556 Tue Jun 22 2021 06:12 PM
Joined: May 2015
Posts: 5,333
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
47-50 window regulators should be the same. They changed in '51 with the addition of vent windows.


Kevin
Newest Project - 51 Chevy 3100 work truck. Photos [flickr.com]
#2 - '29 Ford pickup restored from the ground up.
First car '29 Ford Special Coupe
Busting rust since the mid-60's
Re: Regulator spring
Joe Alan #1414584 Tue Jun 22 2021 10:01 PM
Joined: Jan 2019
Posts: 78
J
'Bolter
The spring I need wraps around the window crank on the regulator but the places I’ve looked show this spring for a 1950. My dad did change the passenger side door off a wrecked truck and it was a five window cab but the doors are exactly the same.when I looked up the regulator for a 50 it has the spring on it just like the picture I posted in my original post.

Attached Files
ADD65748-4393-47AA-9E48-2240EA7460F8.png (241.81 KB, 68 downloads)
Re: Regulator spring
Joe Alan #1414588 Tue Jun 22 2021 10:35 PM
Joined: May 2015
Posts: 5,333
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Here's the two regulators. First pic is for a 47-50, and the second is for 51-55 trucks.

Both use a similar flat stock spring, but it appears they're a bit different.

The vendors sell the stem and pinion gear with housing for the 47-50 style as a repair, but I don't see a spring that goes in there (the round stock one in your second picture?) or one like that for either style regulator. I've never seen the flat stock spring available. Maybe a member here has an old regulator with a good spring that could fix yours. Post in the Swap Meet forum your need.

Attached Files
47-51 Window Regulator.jpg (16.81 KB, 68 downloads)
51-55 Window Regulatorjpg.jpg (13.88 KB, 67 downloads)

Kevin
Newest Project - 51 Chevy 3100 work truck. Photos [flickr.com]
#2 - '29 Ford pickup restored from the ground up.
First car '29 Ford Special Coupe
Busting rust since the mid-60's
Re: Regulator spring
Joe Alan #1414590 Tue Jun 22 2021 10:44 PM
Joined: Jan 2019
Posts: 78
J
'Bolter
Ok thanks for the help

Re: Regulator spring
Joe Alan #1434230 Mon Dec 20 2021 10:01 PM
Joined: Jun 2021
Posts: 1
R
Moderated
I want to make this same repair to my 1950 GMC. My search of vendors finds the same as Mr. Alan found. The website for classicparts.com describes the spring shown in Mr. Alan's second post as fitting inside the housing that contains the shaft for the interior window crank, accessible by grinding off the rivets that hold that cover in place. Like Mr. Alan, I do not want to change that spring; I want the spring that is shown in the photo of a regulator posted by Mr. klhansen. My regulator is good; it just does not have that spring.

I made this same repair to an off topic truck earlier in 2021 for which that spring is also not available. For that case I had the broken spring, so I was able to measure it. For that case an aftermarket spring for the regulator on a 1930's Ford fit and works. For my GMC there is no spring for me to measure.

I feel certain that someone has found a spring for some application that will fit the 1947 to 1950 GM trucks. Has anyone found a substitute? Does anyone have a regulator that has that spring in place and can give us the measurements and a photo of it?

Thanks!


Moderated by  48bigtrucks 

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