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Mod | | | Forums66 Topics128,110 Posts1,056,241 Members48,437 | | 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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| | | | Joined: Mar 2005 Posts: 197 'Bolter | | 'Bolter Joined: Mar 2005 Posts: 197 | I was finally able to get the propeller shaft out of my 1940 GMC 1/2 ton. Now I need to find a replacement shaft. A couple of inches were broken off of the spline end at some time in the past. It looks like the pinion end unbolts or unscrews from the shaft. Is that correct?
Anyway, if anyone on the west coast, especially Northern California, has one they are willing to part with please let me know. This is (hopefully) the last piece of the puzzle for my truck. I really need to get this thing back on the road!
Thanks everyone! Hope you had a great weekend!!
Neil
1940 GMC 1/2 Ton
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Hello, Neil, Do you have a 1940 GMC Maintenance Manual? Here is the pertinent section in the 1941 Chevrolet Truck Shop Manual.My guess is that GMC & Chevrolet trucks used the same parts in this assembly? Regarding your request for parts: this type of request belongs in the Swap Meet. Good luck with this repair. Keep asking questions - members will post advice and suggestions. [I see you have already posted a Parts Wanted Ad here - good]
Last edited by tclederman; 07/15/2019 10:53 AM. Reason: added comment on Parts Wanted ad
| | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | If you can't find one here, try the VCCA site and also OldGMCs.com. | | | | | Joined: Mar 2005 Posts: 197 'Bolter | | 'Bolter Joined: Mar 2005 Posts: 197 | Thanks for the info. Yes, I do have a 1940 GMC as well as a Chevy maintenance manual. I’ll review what you sent as well as take a look in the manuals. I appreciate your input.
Neil
1940 GMC 1/2 Ton
| | | | | Joined: Mar 2005 Posts: 197 'Bolter | | 'Bolter Joined: Mar 2005 Posts: 197 | Hey truckernix, thanks for that info. I’ve been on the OldGMC website but haven’t heard of the VCCA. I’ll check them out. I’m sure something will turn up.
Neil
1940 GMC 1/2 Ton
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