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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: Mar 2020 Posts: 87 'Bolter | | 'Bolter Joined: Mar 2020 Posts: 87 | Hello, I have a 1951 1/2 ton GMC pickup. I'm installing new rear axle seals and bearings as part of a larger project.
I assume I need to pour some gear oil on those bearings after install but stop there. It looks like I do NOT pack them with bearing grease. The shop manual says they get their lubricant from the rear axle.
Sorry for the dump question. I'm just used to packing bearings before install. I appreciate any advice.
Thanks,
Mike | | | | | Joined: Feb 2019 Posts: 4,503 AD Addict & Tinkerer | | AD Addict & Tinkerer Joined: Feb 2019 Posts: 4,503 | You and the manual are correct. They do get their lubricant from the rear end.
Just lube them with gear oil and assemble!
Phil Moderator, The Engine Shop, Interiors and Project Journals1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc BrakesProject JournalsStovebolt Gallery Forum | | | | | Joined: Mar 2020 Posts: 87 'Bolter | | 'Bolter Joined: Mar 2020 Posts: 87 | | | | | | Joined: Oct 2005 Posts: 4,259 "Hey! I sound like Darth Vader!! | | "Hey! I sound like Darth Vader!! Joined: Oct 2005 Posts: 4,259 | It's important to make sure your axle oil level is correct. If you'll notice, on most axles, the fill/level plug on axles are slightly above the bottom of the axle tubes. Gear oil may be slow, but eventually, it will make it's way out to the bearing to keep them lubed. | | | | | Joined: Sep 2011 Posts: 1,459 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 1,459 | Mike, is this Dana/ Spicer axle of G.M. corp. G.M. used c locks to hold axles in Dana has brg pressed onto axle, flange w 4 bolts hold axle in. In short, Dana has sealed axle bearing. On G.M. axles I line to fill it the jack each side up one at a time to get oil down the tube & out to the bearing, then recheck fluid level with it flat.
BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022
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