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Global Mod,
Mod | | | Forums66 Topics128,077 Posts1,056,019 Members48,433 | | 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
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Aug 2017 Posts: 32 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2017 Posts: 32 | I found many threads on what to use for steering box lubricant, but nothing on checking the level. I have a 1941 1/2 ton PU. Can anyone tell me approximately what the capacity of the steering box is and how to know when is is full? | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Fill to the level of the filler plug with the appropriate self-levelling grease (CV joint grease is not self-levelling). Corn Head grease from a farm store works well. | | | | | Joined: Jul 2007 Posts: 444 Shop Shark | | Shop Shark Joined: Jul 2007 Posts: 444 | | | | | | Joined: Jan 2013 Posts: 1,518 'Bolter | | 'Bolter Joined: Jan 2013 Posts: 1,518 | Here is an interesting read. It refers to the corvette C1 which is a similar box to an AD box. Seems there was a technical bulletin that addresses this in 1957. https://www.corvetteforum.com/forums/c1-and-c2-corvettes/2173438-c1-steering-gear-lubricant.html
1953 Chevrolet 3100261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done In the DITY GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
| | | | | Joined: Aug 2017 Posts: 32 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2017 Posts: 32 | I see, the fill plug is also the level plug, just like a differential. Thanks for the info. | | | | | Joined: Feb 2000 Posts: 5,213 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 5,213 | My '41 gear box holds one tube of grease, same size as grease gun tubes. | | |
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