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Old 03-09-2009, 04:00 PM
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What is this GM part????

I got a part about 10 years ago and I seem to recall at that time that it was for a Cadillac, but I may be wrong. I think, from other work, that it may be a power bench seat mechanism, but am not positive. It has a threaded portion that accepts a speedo cable size drive and it moves a mechanism that transfers motion to the 2 openings that appear like they might accept vacuum...but they don't. I only know that from disassembly and inspection of the internals. The # on it is 9837138 with what I assume is a date code...it is 2 9 7-72. Would think that it is a 1972 item, but again unsure. Any help would be appreciated. Thanks,Woodsy.
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Old 03-09-2009, 04:12 PM
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Speedo cable and vacuum?.....Sounds more to me that it may have something to do with cruise control..........
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Old 03-09-2009, 05:19 PM
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No...it LOOKS like a vacuum nipple. The 2 connections opposite each other have something( maybe a cable)that passes through and is driven within by the gear that is operated by a speedo cable size drive. There is no vacuum operation involved that I can tell, an inspection of the inside revealed a gear that is driven by the speedo cable size drive and then transfers motion to whatever comes through the other 2 passages. Not being a GM guy, it looks like some of the early power seat drives I have seen, that's why the "guess".It transmits motion as long as the drive rotates. I can't imagine how it would work in a cruise device...although years ago, when I got it, that was my first thoughts. It was only after opening the cover did I realize it was some sort of motion transfer device.....hence the power seat theory. Power window maybe?? Power antenna???
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Old 03-09-2009, 05:20 PM
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Not found with that number on GM Parts Direct website, might just have to see the parts counter guy at a dealer.

I've never seen anything like it, got a pic of the other side?
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Old 03-09-2009, 07:13 PM
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According to this website:
http://www.oldbuickparts.com/nos/75parts.htm

It's a tailgate window regulator for a '71-75 Buick Estate Wagon.
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Old 03-09-2009, 08:40 PM
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Quote:
Originally Posted by Joe G
According to this website:
http://www.oldbuickparts.com/nos/75parts.htm

It's a tailgate window regulator for a '71-75 Buick Estate Wagon.
That sounds like it, I didn't see if there was a pic but will go back to it and look. I thought it had sort of a window mechanism look. Probably fits most big GM wagons of the era, but not a Caddy . If I'd looked at this thread again before getting the backside pics I'd have saved some time. Thanks.
I'm attaching the back side pic, although it is moot at this point. Hey...I took 'em so here it is.
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