where is the filler plug on my 1970 F350 4 speed transmission? I have looked at the diagrams on this site but haven't seen one that show it precisely. I was under the truck today doing some wiring work so I looked quickly but didn;t see it.
My transmission is shifting hard and I am thinking it it may be low on gear oil.
What kid of gear oil does it take? And I assume you fill it up to the filler plug...
tranny fill
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abe
- New Member
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tranny fill
1970 F-350 flatbed dump, purchased 9/20/12
1954 F-100 bought from Grandpa in 1977 for $200
1954 F-100 bought from Grandpa in 1977 for $200
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mrtleavitt
- Blue Oval Fanatic
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- Joined: Fri Apr 20, 2007 8:26 pm
- Location: Overton, NV
Re: tranny fill
Use 80-90 gear oil. The filler plug and drain plug should be on the passenger side of the tranny. They are a square head (not like a bolt) and I think they use a 3/4 end wrench if I remember correctly.
1969 F100 428 with T19, 3.00 9inch 31 spline w/ Detroit Trutrac, '74 frame swap successful!
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