TH400 Build Series - Planetary Gear Set (Assembly + Installation + Rear Unit End-Play)
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- Опубліковано 31 січ 2023
- See what it takes to assemble the TH400 planetary gear set.
Learn about SOPs (standard operating procedures), as well as some tips & tricks.
1). TH400 planetary gear set assembly.
2). TH400 planetary gear set installation.
3). TH400 rear end-play (how to set it, and adjust it).
Help This Channel Grow:
Coming Soon!
*****TH400 Build Series*******
TH400 Teardown: • TH400 Rebuild Series -...
TH400 Inspection: • TH400 Rebuild Series -...
TH400 Building Clutch Drums: • TH400 Build Series - B...
TH400 Building Clutch Drums (Continued): • TH400 Build Series - B...
TH400 Bushings: • TH400 Build Series - B...
TH400 Prepping Case for Assembly: • TH400 Build Series - P...
TH400 Planetary Gear Set - Assembly & Installation: You're currently watching it.
TH400 Intermediate Clutch, Band, Direct & Forward Drums: • TH400 Build Series - I...
TH400 Pump + Front End-Play: • TH400 Build Series - P...
TH400 Valve-Body + Servos: • TH400 Build Series - V...
TH400 Filter + Pan + Modulator + Governor + Speedo: • TH400 Build Series - F...
TH400 Different Cases (Chevy vs BPO): Coming Soon!
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5) TH400 Parts: 🔩
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DISCLOSURE: 🕵
Links provided are affiliated links with the associated websites. While there is no extra cost to the purchaser, a small portion of the sale goes to support this UA-cam channel. - Авто та транспорт
No one says okay more than this dude
Great detailed videos. Building my first TH40 from your videos. Thanks for taking the time to create. Much appreciated!
Right on!
Yes but is anyone else #1 Grandpa 😉😉 thank you for putting this video together.
The best I've seen when I'm in doubt I go to their videos.
Awesome! Thanks!
Absolutely great videos on the TH400. Great camera work also. With some, I get motion sickness and can't watch. I would like to request a series on the TH350. I have one that I need to rebuild. Good work!
Apologies about the motion sickness. I agree...a bit too shaky on some scenes.
We started out filming everything with one (1) camera. But, we discovered it's far too much to cover (close-ups and wide angles) with one camera....whipping the camera around, zooming in, and zooming out. So, now we're using a multi-cam setup.....for your viewing pleasure.
Appreciate the constructive criticism. It's how we get better.
TH350...noted. Thank you for dropping us a line.
Great teacher
Such great info! Thank you
Glad it was helpful!
Thank you for your comment.
This is an awesome series of videos. This has helped me out a ton on my build!
Happy to hear that!
Thank you for taking the time to drop us a line, No Budget Racing.
Have watched all their episodes. Absolutely fantastic. Hope I can ask for advice here. Overhalls a th400 from a 68 corvette. Should change the rear lugs, plane gears. The new one is not exactly the same. When I insert the output shaft, the locking ring (snap ring) does not fit. The area where the snap ring should be is slightly different in height. In I a snap ring that is not equal in both surfaces. Can anyone help me here. Is aware of the mounting direction of the ring
Amazing, this guy is a super star 🌟
Awesome!
Glad you enjoyed the show.
Appreciate the positive feedback.
This series of videos on the TH400 is such a big help to actually see what’s going on not like in manual’s,I have a 72’ TH400 I’d like to rebuild but always a putting it off due to fear of getting it wrong, but thank you so much for sharing your knowledge 👍
Right on. The positive feedback is appreciated.
Thanks for dropping us a line.
More videos on the way.
@@SouthpawAutoworks do you have any instructional videos DVDs for sale? I am looking for a series on the 1969 Ford C5 C4 and aod?.. your videos are the best
Not at this point in time.
C-4/C-5...noted.
The positive feedback is appreciated.
Thanks for dropping us a line.
Hi guys, thanks for your videos. I’ve bought a bearing and bush kit to replace the rear thrust bearings on my TH400 as the tangs in the case were damaged and had also damaged the output shaft surface which I have also replaced. The tabs in the case wouldn’t retain the thrust bearing any longer. I’ve put the rear assembly back into the case and managed to insert the snap ring and retaining bolt but I have no end play and I’m wondering if this is going to cause me a problem? Appreciate if you could please let me know your thoughts. Regards, Phil
Fanfreakintastic tips and pointers my brudda!!
If I listen to you to much I will be saying K every other word!!
Probably not a bad thing…. If it replaces the F word I utilize every other word 🤣😂
I used to work with a guy who said buddy all the time. I picked up the habit for a while. My wife was like. When you say it it sounds evil.
LOL
Hey #1 Grandpa I am just capping on ya and I wish I could have been fortunate to have you mentor myself as you have Rob. He got lucky!
Haha! Too funny, man.
Lucky...That's for sure!
I'll pass that along to him.
Thanks for dropping us a line!
Can you make a build dvd. ? I would buy it👌
Great video ,bad suggestion of parts. The rebuild kit doesn’t show or come with a list of what is in the kit. This is not for the first timer,you need extra seals and parts to make up what you overlooked .Just a heads up two seals I’m not sure what is going to cost me because I had already started.
Thanks
Appreciate the positive feedback...and the constructive criticism, too. That's how we get better.
When time permits, if you could elaborate, I would really appreciate it.
Where did you purchase your rebuild kit from?
Can you share a link to the kit you ordered?
What exactly was missing from the kit you ordered?
What could have been done differently, in these videos, to facilitate a better viewing experience?
I look forward to your response.
Thank you.
-Robert
2 Questions. First Q- When installing the sun gear at the bottom of the sun shaft, does the lube hole need to align with the other hole in gear?
Second Q- Should the rear shaft turn easily when set up or can it be tight to turn? i have the clearance but i cant turn it by hand, i need vise grips to aid turning. Thank You!
Robert, I have not been able to find an answer to a question I have in my mind. It is well stated in racing forums not to shift to neutral at the end of a run because the direct drum will overspeed and explode. With the car coasting, the rear carrier is driving the entire geartrain. However, the one way clutch on the front carrier is now free wheeling, the forward, direct and intermediate clutches would be released so there are no "locked" components which would make the sun gear spool up the direct drum. Everything would seem to me to be "free floating". What am I missing?
That's a great topic. Would love to do a video on that.
IDK for sure... But, I imagine it's because the Direct Drum is splined to the Intermediate Shaft, which is splined to the sun gear, which meshes with (both planetary gear sets) the front planetary gear set, which is splined to the output shaft (via the front ring gear).
Gonna have to mock that one up in the power flow stand, to see what's what...when time permits.
@@SouthpawAutoworks Thanks - I am very aware of what is splined to what.(I fully understand the conventional power flow.) Further to the comments on racing forums, they even have a valve body that has a "safe" neutral position. It cancels fluid pressure only to the forward drum, not the direct or intermediate clutches.
Right on! That’s very interesting. Gonna have to look into that.
Thank you for sharing.
Love the series guys! I have a question; after installing the center support bolt, I cannot spin the output shaft. Is this normal, or did I miss something?
I'm not sure the bolt would affect the output shaft. However, it's possible to install the bolt, while not having the tapered center support snap ring installed. And this will enable the Center Support to get crooked in the case. This may affect the output shaft.
I'd have to mock it up to know for sure. When time permits...
The positive feedback is appreciated.
@@SouthpawAutoworks thank you for the reply! I'll check the tapered center support ring. All your videos are awesome. Keep them coming!
On some models there are two snap rings for the Center Support. The tapered one, already mentioned. And there's a flat one, that lives underneath the center support. It provides a buffer between the center support and the aluminum transmission case.
Thought I'd throw that out there, too.
I appreciate you taking the time to respond to my message.
I recently started on a rebuild with a thm 400 from a chevy, and found one with straight cut planetary gears, Is this an oddball trans?? Or just an early unit?
Right on.
Straight-cut gears are found in HD TH400 applications (dump truck, box van/truck, etc).
Like anything, there's pros and cons...
Pros:
The straight-cut gear has more surface area contact between two meshing teeth in gear set. (stronger design)
No thrust loads (or, at least, greatly reduced) (forward/rearward planetary gear set movement, when under load).
Cons:
Gear set noise during operation (whine).
@@SouthpawAutoworks Thanks for getting back to me Robert, thanks for your input. I may put that behind my big block.