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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: 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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