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Mod | | | Forums66 Topics128,070 Posts1,055,892 Members48,428 | | 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: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | It holds 6-6.25 pints (depending on which manual you look at). Fill it as described above. 1954 was the first year of no "weep hole" in the SM420 4-speeed transmission. Fill to 1/2" below fill-plug hole if transmission and lubricant is "cold"; but, if transmission and lubricant is warm and you are topping it up, the 1954 Shop Manual says to fill to the bottom of the plug hole. | | |
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