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| | | Forums66 Topics128,132 Posts1,056,383 Members48,441 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Nov 2012 Posts: 543 Shop Shark | | Shop Shark Joined: Nov 2012 Posts: 543 | Don't really know if that's what it's called but the one I put in mine keep tearing and leak. They seem to all be made of cork which is preformed into a bell shape and my wrench said he doesn't know if anyone makes these out of better material. Hopefully someone here will know.
I did a search and found some info but it sounded like guys were talking about a different part and pics posted or linked to didn't show any bell shaped preformed gasket.
I have to have mine replaced every several months. Can't afford to convert to open drive line.
Thanks for any/all replies
Mark | | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | Is this the gasket? ...pic... Maybe your mechanic didn't shim it properly? | | | | | Joined: Nov 2012 Posts: 543 Shop Shark | | Shop Shark Joined: Nov 2012 Posts: 543 | I havn't actually seen it...described to me by my mechanic, but I know he said it's preformed and made of Cork. Looks to me like a big O ring would do the job ? | | | | | Joined: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | The cork seal that Gus has posted, is a square cross section when new. After it's been compressed and in service it takes on sort of a wedge shaped cross section, maybe that's what he's talking about. The flange gaskets, which also act as stacking shims, are available from any one of the antique truck vendors or any auto parts should be able to get them also.
dg
Denny G Sandwich, IL
| | | | | Joined: Nov 2012 Posts: 543 Shop Shark | | Shop Shark Joined: Nov 2012 Posts: 543 | I wish I personally knew more but I don't. All I can say is that he said it's preformed into a bell shape. He's not a newbie at working on these old trucks so I don't think he's missing the boat. He just said they are preformed cork and that the cork gets worn by the movement of the truck's suspension flexing etc. I can understand that being the case and the soft cork getting torn or worn thru. I did search thru some of my catalogs online and didn't find any thing that I thought looked like what he said. I know a guy in Oregon who resto's these...likely he has a source. Dr. J  who is part owner of The Filling Station | | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | Here are the gaskets and shims that come in the kit ...pic... The metal rings in that pic do Not come in the kit If your ball gasket is getting eaten up from driving then its probably to tight, instructions are in the shop manual for proper play. | | | | | Joined: Nov 2012 Posts: 543 Shop Shark | | Shop Shark Joined: Nov 2012 Posts: 543 | OK...got it. It's the cork one. I'll pass this along to him for future reference. Still, I wonder why no one makes that cork gasket out of a more substantial material... | | | | | Joined: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | Simply because the cork seal has worked for around 80 years now, when properly installed. Denny Graham Sandwich, IL
Denny G Sandwich, IL
| | | | | Joined: Nov 2012 Posts: 543 Shop Shark | | Shop Shark Joined: Nov 2012 Posts: 543 | I get it. I had thought that everyone had problems like I do. | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | I put some gooey Lucas oil on mine to allow it to slide into position. I think that helped a lot. I was thinking that dry it might stick and partially rip. | | | | | Joined: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | Granted this does not move around as much as the joint on a 3104 but it still does flex a bit and it's been sealed up in this picture for somewhere around 15K miles and almost 10 yeas now: http://www.pbase.com/dennygraham/image/161316871 Denny Graham Sandwich, IL
Denny G Sandwich, IL
| | | | | Joined: Mar 2010 Posts: 10,281 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,281 | The ball and socket needs to be nearly polished in appearance, and adjusted with shims until you are just able to move it with both hands (torque tube disconnected) before you put the cork seal in. Carl
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | As Carl nicely stated, " . . The ball and socket needs to be nearly polished in appearance, and adjusted with shims . ." http://chevy.oldcarmanualproject.com/shop/1948_51truck/51ctsm0712.htmOh yeah, the torque-tube should also be highly polished in the area where the rubber seal at the rear of the ball/bell slides on the torque-tube. | | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | | | | | | Joined: Mar 2011 Posts: 1,146 Shop Shark | | Shop Shark Joined: Mar 2011 Posts: 1,146 | Torque Tube U-Joint Ball Housing Prep & Adjustment It says to lubricate the Ball cork seal with graphite grease. Note: Although info applies to 1950-54 Powerglide equipped cars. The info also applies to GM early model truck & car Torque Tubes, equipped with ether a manual or auto shift transmission. The manual shift transmission equipped trucks, lubricate the u-joint from the output shaft rear main bearing funneling gear lube into the ball housing. | | |
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