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Mod | | | Forums66 Topics128,169 Posts1,057,041 Members48,458 | | 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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
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| | | | Joined: Nov 2018 Posts: 44 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2018 Posts: 44 | My 1949, 3100, 1/2 ton with 6 wheel studs is leaking oil at the rear brake attachments. Looking at the service manual, it appears that you have to remove the whole rear differential/axle/driveshaft assembly from the truck to install new seals. Is this what you have found? I am asking because if there is an easier way, I'd like to know!
Best regards,
Joe
'49 3100 "Sweet Caroline" because the truck has fabulous curves .... like Caroline!
| | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | Hello, Joe,
What year manual, and what page (I'll look after I post this)?
You can remove the rear wheels, and then open the back of the rear end to allow removal of the axle shafts.
Each seal can then be pulled/pried out.
If there are no seal-wear marks/grooves in/on the axle shafts, you can just replace the seals.
If there are grooves, you can install a "speedi-sleeve"for each side, available on-line and from good parts shops.
Ask here for sources, if needed.
I'd suggest replacing the rear axle bearings during this operation.
My experience has been: after replacing old bearings, the rear end/axles noise is reduced. | | | | | Joined: Nov 2018 Posts: 44 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2018 Posts: 44 | To Tclederman: Thank you, what a relief!
'49 3100 "Sweet Caroline" because the truck has fabulous curves .... like Caroline!
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