Honda/Acura B Series Transmission Build Assembly Complete/Uncut
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- Опубліковано 7 лют 2025
- A complete and uncut video guide on how to properly build and assemble Honda and Acura B series transmissions. The transmission in this video specifically came from a 1994 Acura Integra GS-R. Assembly should be similar between all Honda and Acura B series transmissions. Below are the torque specifications for your reference.
Clutch fork pivot ball 21 ft/lb
Clutch housing case countershaft bearing retainer bolt 11 ft/lb
Oil guide plate bolts (2) 108 in/lb
Countershaft nut 80 ft/lb - 0 ft/lb - 80 ft/lb
Differential ring gear bolts **LEFT HAND THREAD** (10) 74.5 ft/lb
Shift shaft to selector bolt 22 ft/lb
Shift shaft detent bolt 16 ft/lb
Shift selector assembly longer black bolts (2) 11 ft/lb /shorter gold bolt 106 in/lb
Reverse gear selector assembly bolts (2) 11 ft/lb
Transmission casing bolts (20) 20 ft/lb
Shift selector detent bolts (2) 16 ft/lb
Countershaft retainer access port plug 18 ft/lb
Oil guide plate access port plug 22 ft/lb
Transmission fill plug 33 ft/lb
Transmission drain plug 29 ft/lb
Reverse gear shaft bolt 33 ft/lb
Transmission hanger bracket (2) 17 ft/lb
Vehicle speed sensor housing bolt 106 in/lb
Vehicle speed sensor bolts (2) 106in/lb
Reverse switch 18 ft/lb
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Honestly best b series transmission video on UA-cam right now, it covered a genuine whole rebuild as compared to others with extra tips and tricks and things I had to learn on my own, 10/10 video, plus torque specs added in, if I were to make a video I’d do it the same way, also helps yours is the only video I’ve seen show more about the reverse change holder, on mine the plate broke and I had no clue it was even a thing until after reassembly issues and opening up a A1 trans with the same issue but I found the broken plate and ball at least, a video on the thrust clearance process would be cool too
Thank you for watching! Glad to know it will help people out. Sooner or later I will make a thrust clearance video since a lot of people also requested that on my other K Series transmission build video.
Facts this it's the exact way to build a tranny b series I download this video for next time I put my hands on a b series tranny❤😂
U and a 100+ people would love to see thrust measurement videos that would help find out other issues
well done, i had to figure all this out on my own 7-8 years ago since i couldnt find any videos on this. 3 things i wanna address tho
1) for ppl unable to see in video, the sleeves have 3 sections that have a pair of teeth together that are longer than all the rest. Match those to the selector hubs so your not fiddling with it till it fits.
2)Dont put counter shaft in a vise, those teeth will snap/crack. thats a bunch of force to hold it. Better way is to install gearstack into trans and lock it into gear and hold it with a rag while tq'ing letting the rag pack into the gears preventing them from turning.
3) when dropping the case on. if u have a large gap its the selector assembly pin he mentioned b4. put screwdriver in gear selector and run it in and out of gears till case falls on its own leaving a very small gap which is the snap ring. AND DONT FORGET the counter shaft top ring location ALWAYs points to top of case easy to forget
This is one of the best videos I've seen on UA-cam. None of the crap, and music, and unnecessary talking. Just right to business and showing us what we came here to see! Thank you so much!
Thank you for watching. Glad you like it!
You are right for sure . Is there a way to contact . I have a b series in need of a rebuild
Absolute legend! By far one of the best videos about B series trans out there!
@@ronyhyper Thank you for the kind comment! I appreciate you taking the time to watch!
Thanks so much for putting this together. I've watched it about 50 times, and continuing to watch it. Each time I learn something new and gaining the confidence to rebuild a GSR transmission.
You’re very welcome. Thank you for watching! Glad it was helpful.
I am literally doing my 2nd bseries transmission rebuild (last one I did was 2 years ago) so this video is probably the best one yt has for refreshing my memory. Awesome attention to detail and instructions.
just finished my carbon synchro and sleeve kit install. couldn't have done it without this video. thanks man
One of the most detailed b series transmission rebuild video I have watched. I'm doing my first time rebuilding a tranny and got stuck at the case closing. The input shaft is stuck and the lock clip won't engage after closing the case. Your video will definitely help me to diagnose the issue.
Your explanations are clear and concise . I have to go this route because I can’t find a transmission for my dc4 . Thank you man
By far the best on UA-cam !!! Appreciate the knowledge brotha man!!! 🙏🏽🙏🏽🙏🏽
very thorough video bud! i just picked up a 95 ej1 for $200 cash with a title and got it home to find a jdm black top b18c p72, original owner said bad trans but it feels like an internal linkage/bent fork, gonna pull it out disassemble to find out what happened but your video gives me the confidence to pull it apart myself, if its not a lsd that it...
Best rebuild video on UA-cam 👌 thanks bruh I was having a hard time putting it back together till I seen this video
Thank you. Part of my gears fell out during an input shaft bearing job
I used ur video to find correct orientation again. Thanks
Thank you for watching! Glad the video was helpful!
Good job. I see why car manufacturers don’t like to make manual transmissions. They take longer and probably cost more to make and less sales since it’s for a very few selective customers.
I’m tempted to try and rebuild my transmission but I’m scared as it would be my first time 😅. But we all gotta start somewhere right? 😆
Excellent video, this video was awesome. Very informative. Thank you for the help
Great videos - do you happen to have a link to clearance/inspection specs? Id like to see what's good before buying new parts. Just starting this video so if you already have it in somewhere, thanks.
Awesome, thank you!
How cool! Thanks for sharing bro 🙏🏻
@@patrickstarr87 You’re very welcome. Thank you for watching!
Yo you gangsta for this video Foreal you didn’t miss anything especially closing the transmission these fools never do that they be scared
muy buen video aprendi algo q burn trabajo pprw tengo un honda integra con la misma cja q armaste el video es de gran ayuda para armarla bien
Me dio mucho gusto que te gusto el video y que te ayudo armar tu carro. Muchas gracias por tu apollo.
Awesome video
@@upperpdx1784 Thank you! I appreciate you taking the time to watch!
Thank you for doing this🎉
Thank you. Gotta do K trans now 🫡
He did
This is a great work 👍
Thank you!
Looks like that speedo sensor threads got stripped when you went back to check the torque at 1:55.50
Do you have a video of pressing apart the main shaft and countershaft with the press, thats what I need in my life bud besides this great video?
I reakon your house would be spotless
Excellent video thanks! Any chance you could put a link up to the document you were referring to for torque settings and sequence etc please?
Hi I had a question. I have a b16 trans replaced 1-2 synchro (for carbon), 2nd gear, 1-2 shift gear and cup and now I’m having the problem of it not engaging the gear all the way. Hope you can help. Great content btw huge help with the rebuild
Excellent job
Where a good place to get internal parts for a Honda crv 2003 manual transmission ? Excellent video by the way.
Thank you for watching! Glad you like the video. You can purchase aftermarket internal parts from synchrotech-transmissions.com, directly from your local Honda dealership, or online from hondaautomotiveparts.com.
That’s a great one!!
I think now I can go and do it by myself.
can you show us from where we can buy the parts? Maybe some link?
Nah you're going to break yours if you never done a trans rebuild
Awesome work, wouldnt have had the confidence to do this on my own without this video. Does the countershaft top cone washer face up or cone down?
Thanks for watching! Glad the video was helpful. The countershaft top cone washer (directly beneath the countershaft nut) should point up/towards the nut.
@@jonathanjovenal What up hey do you happen to know where I can get the plastic oil guide plate for the countershaft input? I broke mine getting the bearing out and cannot find one anywhere.
great video thank you
Awesome video! Thanks
legend 👍
Wish I could find a video like this for the H Series transmission.
If I ever have an H series transmission come in, I’ll be sure to make a video of it!
Admire how you keep your work environment
super nice video
Gonna rebuild my gsr transmission with a 4.9 fd. Wish me luck
Where in the world do I get that race/needle seals on the counter shaft. I’ve looked all over the internet.
Good video
where is the best place to find workshop about manual tranmission?
Hi sir, i looked your video but sorry, can you explain more how to look the orientation of the good side of the fifth Gear on the countershaft ? I was rebuilding My gearbox and my countershaft has fallen down and i don't know what is the good orientation or side for the fifth gear. You Said in the vidéo but english is not my native language. Thx a lot
Hi can I know which bearing I should get?
23min into the clip. Does this apply to a Y2 gearbox from a Civic VT (EE9) aswell? That gearbox dosent have the stop plate under the gearset that prevent it from ”falling” down so i would put the ”stop” on the hub down. Anyone that done these and can tell me before i put it togheter? ❤
Great video! Very informative. Did you measure the diff and main shaft clearances? I'm subscribed for more content!
He said he did all the clearances at the start of the video, but he didnt show any of it sadly.
Thank you for the video and experience is very detailed. I have couple question, is that B series of course but are any differences between b16, b18, and b20? Because I’m trying to put apart a sbxm the b20b transmission but it hace the transfer case bc is the awd. Thank you
Hey man, from what I understand from the wiki, all b series transmissions are interchangeable, aside from the prelude transmission. Now there are differences in mounting brackets, but hope this helps
The rubber seal you’re installing at 32mins is missing from my gearbox. How critical is this? And what would it be called to order a new one?
Hello ! Jonathan Jovenal , Do you rebuild transmissions for customers ? And if you do where are located ? I'm looking for a good transmission guy like you in my area in Pennsylvania 18328.
I have a 2000 GS-R that has a bearing noise only on 2nd gear decel. Which bearing do you think it could be?
88-91 ef transmissions are next🙃😊
so if the first rubber piece does not get installed right on the countershaft what would happen ? my b18c1 trans was just done at a shop and i had to drop it again out of my car because it was all messed up long story short i have the case apart when i pull the slider down into first gear by hand i can not spin the shafts at all by hand it is bound up that is the only gear that i can not spin by hand i am thinking this shop screwed up the that rubber piece
That rubber piece on the countershaft will definitely make the gears bind if not installed correctly. It may even jam up and not allow the various components on the countershaft to be seated correctly when torquing down the main nut.
@@jonathanjovenal took apart the counter shaft mine was not install correctly and it bent all the tabs so i need a new one ..... and i also found 2 pieces of metal binded in there as well that look like the edge of a synchro
I am putting a Quaife diff in my 97 GSR and the SKF differential bearigs did not come with shims. putting a straightedge on these bearings makes it look like they are flat on both sides. When I checked with Acura, all of the shims have been discontinued. Do I really need shims, with flat SKF bearings?
What’s a good cleaner to clean the gears and other internal components inside the transmission?
so is there a reason 1st and 2nd gear click back n forth instead of free spin?
They're part of the main shaft and counter shaft. So if you ever shred 1st or 2nd gear you need a new main and counter shaft.
hey fam i was about to open mines, Popped it up a little bit then closed it back without bother going in, will i need to seal again?
@@balladan2029 What up bro, yes you will need to reseal it. It will for sure leak if you don’t reseal it.
Hey what did you mention at 26:00 , I couldn't hear it
Is there a manual rwd transmission that would fit a 95 b18b1 ?
Installation is the same if I’m doing a D series?
@@josejalapeno2024 The shift mechanism is different on D Series engines. However, the shaft assemblies and differential is pretty much the same.
I followed everything and Im getting stuck at the end. When I close the casing there's a still and small gap on the main shaft side. And if I close it, the shaft doesn't spin. Can't figure it out 😢
I’m having the EXACT same problem!! If you figure it out or get a response let me know!
@Gabe I figured it out. I was told I had a GSR trans but it's really an LS 😑🤦🏻♂️ the 3rd and 4th selector just needed to be flipped and bam its good as new. Held me up for 2 weeks
How come we mark it?
my 5th- Resvese hub had to be pressed on with a socket and dead blow but it was new is that normal ?
@@johndutton4860 That is normal considering it is a brand new component.
@@jonathanjovenal just had to ask all the hubs are new but that was the only one i had to do that with lol
Jonathan do you have a repair shop or home based?
I had my own shop in San Diego, CA from 2017-2023, but I ended up landing a great position as an industrial mechanic. I still work on cars and rebuild these transmissions out of my home garage though.
Congrats on the employment. I have a 91 Integra and while it upshifts perfectly from 1st to 5th, it will not downshift into 3rd. Transmission needs to be rebuilt. The car was in San Diego (Eastlake) until I relocated to Southern Utah three years ago.
Question: if I find a shop that can/will do the job, how many hours of labor would be needed?
@@paulsibayan9957 I estimate 5-10 hours for transmission removal and reinstallation into vehicle, and another 5-10 hours for teardown, cleaning, inspection, checking clearances, and rebuilding. Timing depending on the mechanic and how efficient or meticulous their work is. Time wise, I usually take longer since I am very meticulous.
Yes, you are meticulous. A trait I inherited from my Pinoy father. He was an aircraft engine mechanic and a pastor. Thanks for the info it will be very helpful someday.
Is the shift shaft tapered a bit or it's straight?
Is there a gap between the dif and the bearing? I don't know when to stop. I forgot to check the gap before removal
Also, where can I get a list like you have of all the torque specs?
at 28:39 do you guys know what the ring is called?
For the two washers that goes on top of the input shaft bearing does the concave or the convex side of the 1st washer faces up?
Concave faces up, convex sits on the input bearings inner race, then the flat washer sits on top of the concave part of the spring washer.
anybody know where to get shims for the main shaft / i close the case and the pilot shaft wont spin too tight / everything is good to this point any suggestions
@@gee-z4g You can only buy the shims from Honda/Acura. There are various online Honda/Acura OEM parts stores where you can find diagrams and part numbers.
Does this apply to a 93 Integra transmission
Yes, it does. There may be some slight variances though.
@@jonathanjovenal hi man thanks for replying I had a question for you as well ,so I acquired a ys1 transmission of a manual 1993 Acura Integra at a junkyard to swap into my automatic 1993 Integra and I was just wondering what’s a good rebuild kit to buy for it , I just want to rebuild it so it can go into mine without any worry and for the experience as well
@@andrewvelasquez2633 Synchrotech rebuild kits are what I use in all of my customer rebuilds. I also sell them in case you wanted to purchase through me.
You mke mistake .selector 1st and 2cond bear is opozit .bat restof the tincs isok.
shouldn't put lube on the outer part of that seal. Suppose to use soap and water. lube is a big no no.
Need help with my trans anyone willing to help out I’m in the Midwest but I’m willing to drive and pay someone to help
I think I did it backwards..
How’d you get the tapered bearings off the differential? I can’t get them hoes off lol might need to hit it with a cut off wheel.
I use a combination of a bearing splitter to grip the bearing and a gear puller to remove the bearing. Takes less than 5 minutes to do both sides with the correct tool.
This video gives me motion sickness. You should think about getting a camera stand.
I thought you set your clearance after replacing bearings 🤔