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Mod | | | Forums66 Topics128,206 Posts1,057,435 Members48,471 | | 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: Sep 2009 Posts: 41 'Bolter | | 'Bolter Joined: Sep 2009 Posts: 41 | Hey Bolters, I tried searching this topic already and reading my manual with no avail. This question is concerning a 1955 1st series 1-ton.
I need to replace a leaky pinion oil seal and of course when I am done, I need to refill the diff with oil. My dad and I think 90w gear oil is what the trucks came with, but we want to be sure.
The manual I have goes through the procedure, but the only mention of oil is that it recommends soaking the new seal in motor oil for initial lubrication.
Thanks for your help bolters.
| | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Here is a post from the search engine: Hypoid Oil Thread | | | | | Joined: Jul 2010 Posts: 12 New Guy | | New Guy Joined: Jul 2010 Posts: 12 | 90w should be good thats what we put in our semis at the shop also i use royal purple in my personal truck and i love it i can feel the difference | | |
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