| SweeperSean | -- 05-16-2020 @ 7:17 AM |
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the trans in my 40 was rebuilt before I purchased the car. I put about 80 miles on the car over a few months and the car shifted fine. It stopped shifting into third. I thought it might be the linkage, but when I put it up on the lift, all was tight. I removed the linkage and had the same result. Any thoughts before I drop the trans? Thanks
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| cliftford | -- 05-16-2020 @ 8:40 AM |
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Pull the side cover and see what is going on, especially the syncros.
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| SweeperSean | -- 05-16-2020 @ 9:59 AM |
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Thanks. Im going to try that today. not sure what to look for. I found some cutaway drawings. Gotta start somewhere I guess.
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| 51woodie | -- 05-16-2020 @ 10:17 AM |
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This is a silly question, but is/was there any trans oil in the transmission? When I worked at a dealership, one of the mechanics rebuilt a three speed trans, installed it and sent the car out the door. The car was back two days later with a ruined transmission. He forgot to put oil in it.
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| 37RAGTOPMAN | -- 05-17-2020 @ 7:45 AM |
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HI 40trans, not shifting into third I am with Cliftford on this, check the syncro,s 3rd locks the input and out put shafts, together to get 3rd, syncro ring might have burrs and have gotten damage, I think by using a file [ very carefully ] you can remove the burrs, I did this to a old jeep and it worked, also check the pin in the shifting forks, maybe loose or have moved, slide on shaft. from being broken anything is worth a try, hope this helps, 37Ragtopman MAINE LET US KNOW how you MADE out, drain the oil in a clean container and use a magnet, to see if any chips or filing in the oil, and if brass or steel,
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| cliftford | -- 05-17-2020 @ 9:34 AM |
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Does it shift any different from low to 2nd? If not I'd assume the clutch adjustment is ok. With the cover off see if the 2nd- high lever has any drag or resistance. If so I would check the detent springs, balls and notches. also check wear on forks. If you have or can borrow another cover, slip it on and see if it makes a difference. All this assumes that your syncros check out ok.
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