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Manual Transmission Problems


DATSUN411

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Hello everybody!! So I got my 411 running a month or so ago and have been enjoying driving it around until today! I was trying to make it out to my first car show and on my way my transmission got stuck in 4th gear! I tried for a while to get it out of gear before I had it towed home. I plan on pulling it out tomorrow. I'm just wondering if this is an easy transmission to rebuild/replace or if there is a 5 speed that would just be easier/cheaper. On a side note I do own a 79 620 I could steal from if that's a viable option? Any help is appreciated as always!

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Early J13 used this, it came in floor shift or column....

 

Floor shift

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Column

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Later 520/L521 J13 with F4W63L

F4W63forJ13monkeymotionnoflange.jpg

 

These are the same basic transmission used by the PL521, first year 620, also on the 510 sedan and goon BUT with the L series bolt pattern..

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So I guess mine has been swapped out at some point for the later model as that is what it looks like. I have yet to get a chance to pull it out. If I get off early tomorrow I'm gonna get to it. I'll keep you all informed as I get farther! Thanks Mike for the pics!!

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Yes it does, unlikely that will help. I had a 521 (same style transmission) and it stuck in 4th one day, 40 miles from home. Even if I could have gotten it out there's no guarantee that it wouldn't do it again at a worse time.

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Is there any schematics for that transmission? I can't seem to get it out of the car now... Its stuck on the shaft and since its stuck if 4th gear the rear is hitting the cars cross brace! FML! Can I take it apart in the middle without causing any crazy problems? Or do I have the pull the motor to get it out?

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That I don't know but if you can find a similar J series that's great. Even a L series from a 521 or 510 will go if you take the guts out and swap them into your case. It's a bit of work but those L 4 speeds are common and give away.

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Ask Bob3. Maybe he has one or two 4 speeds. 

 

I'd give you mine.. if you were closer.

I may hit you up about that in the future!! I have plans to move back to Reno in July, so if I don't find a way to fix it before then I may just make a trip for it!!

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The transmission is out as of a couple days ago. I took off the access panel and didn't see anything chunky so that was good... It did have ugly lube as it looked to have friction material in it. My buddy took it to his transmission shop but they really only work on autos, so he is sending it to a friends shop............ Now I'm waiting...  

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