Here's How a Manual Transmission Works
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- เผยแพร่เมื่อ 11 ก.ค. 2024
- Here’s a look inside a manual transmission and how it works!
A manual transmission takes its inputs from the driver through a set of cables to shift gears in a transmission. The process is only governed by the driver, and not by any governor, fail safe's or electronics.
The manual transmission consists of a few main parts, the shifter mechanism, the shifter forks, the synchronizer rings, the input and counter shafts, reverse idler, clutch, flywheel, pressure plate and differential.
In this video, the 5 speed manual transmission from a 2003 Honda Accord 4 cylinder is completely torn down and taken apart to examine all the components and their function. Overall, the manual transmission proves to be a very sturdy design that can take a lot of torque and will last a very long time because it does away with wet clutches (automatics), electronics (Dual clutch transmissions) or belts (CVT’s) all of which are weak points. The manual transmission clutch and synchronizers are the weakest spot on manual transmissions, but often only wear from driver misuse and degradation as opposed to catastrophic failure.
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The design and engineering is incredible, and this is just an everyday item that we all take for granted!
Agreed! Too bad North America has turned a blind eye
Automatic transmissions is what blew me away...and all of its variations
@@speedkar99 No kidding. Europe still likes em' where MT still has ~80% of the market.
Just another reason Europe is superior: stick shifts everywhere, and women who know how to use 'em!
@@kristianhermann5971 Unfortunately for us, a large contingent of the generation that can afford new cars love to buy autos, so if you want anything good with a manual it's either old or rare. They largely only exist in the cheap stuff
Owner of the car walks in at the end, Hey, is my oil change done... 😮
Lol!
Lmfaooooo
:D
10:39 Nothing beats a wife's old dress for cleaning an oily shaft!
Yuup, I had it (10:44) marked too :D
"That's not how you open a manual transmission"... Priceless :-)
I've learnt/read the theory behind synchro rings years ago in books. You're explaining it so much better!
Awesome video, thanks for sharing!
I absolutely loved this walk through of a manual transmission. I always wanted to understand how the inner parts of the transmission work and how it connects to the engine. Thank you for taking the time to do this amazing walkthrough! Happy Holidays!
You are welcome. Glad you found it useful. Check out my other videos linked in this video on CVT and automatic transmission
The quality, relevance and exhaustiveness of these videos cannot be overstated ... I honestly have no other feedback / huge fan of your work
To me, the good old manual gearbox seems an even more impressive invention than the internal combustion engine! .... I LOVE your videos! They are so well done! I've rebuilt old engines, many decades ago, and your videos are now educating me regarding more recent engine and transmission designs. THANK YOU!!
Came for the toothbrush, stayed for the dress :D
Jokes aside, very detailed breakdown! Thank you and happy holidays!
Hey, might be Monica's red dress 😆😆😆😆 lol
I am glad you dont take this 100% seriously and add a bit of humor, which is why I enjoy watching your tear down videos. I have learned so much from you.
Understanding how synchros worked was the one thing I was missing in my understanding of the inner workings of my six speed manual. Your video was super clear and very easy to follow. Very well planned and produced too, thank you 👍😁
Bro!! I need to come to Canada and be your student! You're such a good mechanic and great teacher!
Not the level of voodoo contained in an automatic transmission but manuals can be hard enough to understand for many people. Great job once again.
Manuals aren't too difficult
I love manual transmissions.
How about when it's time for a clutch
@@speedkar99 depends on the make/model but I don't mind clutch replacements.
@@speedkar99 Release bearings can often fail before the clutch, so there are a couple wear items. I'd still take a MT any day (especially with a small engine).
@@speedkar99 Then I hate them, Grrr!
@@speedkar99 With a well-trained driver, a car can go to the boneyard with the original clutch disc.
This is by far the best explanation I've ever seen of the working of a manual transmission. Thank you for taking the effort of demonstrating it so clearly. About the clutch replacement I can speak for myself as a hobbyist mechanic, and it's not that hard, it took me about 4 hours in a Honda D15. Replacing a clutch only gets comical when the car has a failing dual-mass flywheel. Greetings from Spain
Greetings. The Honda D series aren't too difficult. Did you drop the subframe and take it out the Bottom?
@@speedkar99 I didn't have to drop It. It was an Honda Civic MB3, euro model, there is plenty of room in the engine bay so jacking up the car was enough to drop the transmission out
Thank you for the amount of effort and work that you put in to your videos. You are what TH-cam is all about. You're a great teacher as well, thanks!
"I shall not stop until every Nissan and Honda in upper Canada is gutted!"
😂😂😂
Im looking for Volkswagens too, be on the lookout
If you're looking for alien technology assisted by voodoo, see the hydraulic automatic transmission.
The one that works by basically joining two ac compressors together? That is a great way to do a CVT that can handle high torque.
@@xnopyt13 whaat 😮
a th-cam.com/video/qxZFSNITK-c/w-d-xo.html here, it's pure magic, and it's used on lawn mowers and tractors and the Japanese type 10 tank!
@eric Fuck CVT. You want a conventional auto like Allison trans.
[][][] yep
This guy is wow. Explained extremely well, I'm no mechanic but understanding how your car works is fantastic. Plus I love his wife's dress.
Thanks. I'm no mechanic either.
@@speedkar99 Even more impressive. Are you self taught?
That Honda lives on and will forever be remembered by the video content it creates 👍🏼
Agreed. At least this one was put to good use
“This is not how you open a transmission” should be the title of this video 😂 I love it
Exactly!
How does this guy not have 1,000,000+ followers this is quality info
these videos are amazing man, other than internet research I have no experience with cars or mechanics/engineering in general but now because of your videos when I sit in my car I know everything that's going
I've watched so many of your vids multiple times(as I'm about to do with this transmission video) because there's so much to unpack as a complete novice. Your videos even helped me learn how basic everyday things like pumps and valves work.
Thanks for the amazing content. And I can definitely tell by the weather and the houses you live in the GTA which makes it even better watching your vids.
man, your channel in TH-cam is one of the best. Every video has a lot of technical points and lots of real components which is the best part. hope you all the best bro. you are the mechanic. I m following you almost a long time and enjoying. hope the enjoy be yours. Thanks
best manual gearbox explanation ever! I've always heard of the synchronizer/synchromesh but never actually see how it works.
Happy New Year!
Thanks again!
Workings of manual transmission was always clear but I was fuzzy on the details of FWD manuals and synchronizers but you have explained it perfectly here!
(Edit) *Again!*
Thanks, FWD means things are more compact
The best description ive seen on a car transmission great video
Now I really understand how a manual transmission works simply because I looked at the transmission instead of the toothbrush when you were explaining. Great video !
Glad it helped
Dude your videos are awesome, and very easy to understand
Please don't stop posting videos, LOVE YOU
Awesome I'm glad you appreciate my work
Once again an outstanding film dude. I love the fact you really know your stuff and also cut the film super tight so it just facts, facts and more facts. Really well explained. Super knowledge. Thanks for making these films. Great with no music and the toothbrush too. You just do this brilliantly.
Awesome video, I don’t know how I missed this video before, the tried and proved manual transmission, the best of them all in my opinion
Glad it helped
I replaced 2nd gear + a syncro on a honda transmission quite a few years ago. Kind of embarrassing but I never fully understood how a syncro actually works until I watched this video. The reason for the taper is to apply FRICTION and slow the shaft down!
Great video.
Haven't watched yet but was waiting for this one. Thanks!
Just taught my girlfriend how to drive stick and all about transmission in my 06 Accord sedan k24 5 speed... And you post this the day after ...what a weird coincidence!
Thank you and have a great 2021!
Awesome
Thanks for this, this explains a lot. I switch to a manual car last year and it's a pleasure to drive.
Amazing. Fascination explanation and breakdown of that complex mechanism.
Thanks I'm glad you appreciate my explanation
Great video. So thorough and the video of the actual components is very helpful.
Glad you like it!
I love how you explain everything !
very informative, and explained in a very simple clear way, you obviously know your stuff
Thanks I'm glad my video is easy to understand
Who here is more amazed by the engineering of the shifter mechanism?
Yeah the ball joint or the twisty turny bit?
@@speedkar99 Shifting mechanisms, either cable or linkage operated convert the craziest hand motions into a simple back & forth movement in the gearbox forks. Blows me away every time 🔧
best explanation video I ever watched. Thank you Sir!
Thank you I was waiting for this
Just for you bud
This video was very thorough and easy to follow!
Thanks, I'm glad you find it easy to understand
❤️❤️❤️ I was seaching for yuor video for manual transmission just yesterday
So happy to sea it now 😍
Glad you found it
Just wanted to say that your mechanical review of the new Corolla had an influence on my decision to purchase a 2020 Corolla hatchback earlier this year. You reviewed the CVT, but I bought the 6-speed manual. And I bought it without even knowing how to drive stick. Hopefully I didn't put too much wear-and-tear on the clutch while practicing. Unfortunately, I got that burning clutch smell at one point, but luckily it only happened just once. While learning, I made an effort to be as gentle as possible. I'm hoping I took no more than a couple hundred miles off the life of the clutch while learning. I still have my older automatic transmission car, for rush hour traffic, or for when I'm feeling lazy. Anyway, now that I'm fairly proficient is driving a manual, I can say driving stick is one of the most fun things you can do! Well, in my opinion anyway. :) Modern stick shifts should be much easier to drive than older ones. For example, the new Corolla can auto rev match on downshifts, and smooth out upshifts. In addition, the brake hold feature and electronic parking brake make starts on inclines and hills easy, and you don't have to worry about rolling backwards.
Nice! I hope you are enjoying your Rolla! Everyone's got good manual transmission learning stories. My first time was only last year driving it to the mechanic shop to get it safety tested...I stalled so many times and got honked at
@@speedkar99 Cool, we're both manual newbies! But I'm happy I took the risk of buying a car I didn't know how to drive. The dealership drove it to my house after I wrote the check. Anyway, it's been a very rewarding journey learning how to master stick shift. By the way, before I started practicing on the streets, I taped a sheet of paper to my back window where I wrote in big, bold letters "Learning to drive stick shift! Please be patient if I stall!" That was tremendously helpful. A couple idiots honked at me, but mostly, people just went around me when I stalled.
Now I understand the mysterious syncro gears! Thanks!
Love this channel! Thank you!
You are welcome
Another excellent explanation/demonstration.
This guy is good. He understands how things work from the inside out.
Yeah I didn't realize how amazing manuals were and how intricate the internals actually we're until I rebuilt my 01e for a swap I'm doing, it's impressive how small 5 and 6 speeds for transverse engine are, nevermind how a haldex AWD system works, great vid man
Good work to explain how a manual transmission work.
12:55 the synchronizer ring operation is ingenious.
Awesome video, and well edited for speed in spite of its thoroughness.
I love and have only ever bought manual cars, but never had a damn clue how they worked! Much better informed after watching this.
Thanks, I'm glad my video is easy to understand. I thought some might have still found it puzzling. It's good to know how things work, especially if you use them everyday!
Very well explained, thank you and good job!
You are welcome
This is amazing, much better than those 3d videos you find. This is real stuff.
Agreed. There's something about seeing the actual thing
So, now I understand what's the failure mode of synchro is. Thanks!
You are welcome
great vid, finally feel like i understand how a manual works.
Thanks. Yep it took me taking one apart too fully understand
What an excellent explanation! And jokes too!
Got me thinking how the sequential transmission on my motorcycle works now. Great video dude!
You are welcome. I want to see a bike transmission too
@@speedkar99 The trans itself is more or less the same as this one, but the clutch is like the automatic clutch packs @ 19:34.
Absolutely love your content. Amazing...
Thanks
Thanks for making a video of how a manual transmission works!
You are welcome.
Great video! Wish I had this 15 years ago, when learning to drive.
I learned manual from my dad in a 86 chevy sprint with a burnt clutch. In 2006. He knew it needed a clutch, so might as well let me foul it up for good.
If any of those still existed without rusting in half, those are the best way to learn. The lack of power from the engine gives you a lot of leniency.
Unfortunately, it did rust out, and an entire wheel fell off a few years later.
Everyone has thier own manual learning stories, I only learned stick last year.
I learned to drive in an awful manual citroen C5 cactus. There was barely any feeling from the clutch and it had no power at all
Thank you for the thorough explanation, my man!
Now I know exactly what to do if I can't get that 14mm hex 😂
Wow that’s great thank you ☺️
Synchromesh is such a clever idea.
thanks :)
You answered my question before I could even ask it -- I was wondering if that was a non-existent 6th speed synchro there, it was driving me nuts. Awesome videos!!
For the 6 speed variant of the TSX
Such a great explanation, thank you! Just checking whether you misspoke at 3:33 about overdrive - you were obviously pointing at the driving gear but said "driven gear".
Yes
Nice diagnosis video. Nothing can't be done with a angle grinder. 😂 Wish you and your family have a wonderful Christmas and Happy New Year
Great explanation sir , thank you , god bless
You are welcome
Ah I’ve been waiting for this video. Sad you didn’t pick my title though :(
Now that I learned how they work, I gotta learn how to drive one.
Yes, it's indeed a good skill to have even though you won't daily drive a stickshift
I daily driven my civic for doordash and other delivery services. You get used to it.
You will never go back to automatic once you learn manual.
@@maryreed2280 I'm currently "learning" from manuals that come to the dealership because I can't get a manual car for myself. In theory I can drive one but it never works out well in practice.
I bet you already know this, but i love your videos and how you talk and explain, a 10 year old kid could make a mechanical faculty with your explanations, so detailed and not boring at all, like it happens when i try see somebody else's videos. And you make small side jokes, which i suprise myselft laughing so loud sometimes. Nice content!
Thanks I'm glad you appreciate my video style
Best teacher
Thanks
cool videos thanks
Finally using a cordless impact 👍🏽👍🏽
I'm so proud that my current car has something similar to this in it. (Honda Fit Manual)
Yep it should be the same in principle
Speedkar, your videos are stellar, do you work at a junkyard? Where do you find all of the donor vehicles for all of these educational videos? Love your work
I buy them myself, I don't work at a yard, just at home.
Great video SpeedKar! I'll miss manual with my next car that will prolly be a hybrid.
Thanks. You looking for a Prius?
It won't be for 5 yrs or so. But if I had to choose today it'd be Kia Niro or RAV4 hybrid. Wouldn't be caught dead in a Prius. Not for the tech, but the styling. I didn't mind the PriusV, but it's no longer.
Minor correction around 2:10. The bearing that moves the pressure plate is the release bearing or throwout bearing. The pilot bearing is a bearing that supports the input shaft of the transmission inside the crankshaft of the engine.
Thanks you are right
This is like free school, thanks bro
Dude you seem like someone that would really be cool to hang out with
You ought to to a video on non-synchomeshed transmissions. I know antique cars phased them out generations ago but Eaton Fuller still makes them for heavy duty commercial vehicles.
I wish I could like this more than once
Very good and very nice bro
Thanks
I see you splurged and upgraded your impact 😎 nice
Yep, I love the Miluakee
visually, this makes so much more sense to me than an automatic transmission
Agreed
Would like to see a video about dual-clutch gearboxes.
I want to get one so bad but all the affordable VW TDI here are manuals
Ditto. Maybe some youtuber could donate theirs when their supercar burns down to the ground.
@@speedkar99 Look for a Fiesta or Focus. Lots of those are being sold for a song, precisely because of the stupid transmission.
Thank you for te video. You could show us how 1st and 2nd gear syncros and gears look like. Because they are the most who wears the most :)
good idea
I used to have a 2003 Honda Accord but it was an automatic transmission. She almost had 500,000 original miles on her (no issues other than slight oil leak). Too bad she was rear-ended in Dallas, Texas and they totaled the car. But my first car was a manual transmission. I prefer manual over automatic. I did have a 1995 Honda Accord that was manual.
Manual is great for reliability but alot of people find it's too much work in daily traffic
Just bought a focus st with a 6 speed manual. So much fun to drive
i test drove one and i agree. would have bought it but my long legs caused by knees to bang into the steering wheel
@@steveneumeyer681 can’t wait to get a cold air and a tune for it.
@@shanechaisson9383 Keep all the stock parts, or you're gonna take a shit-kicking when it comes time to sell. I mean, unless you plan to drive it 'til the wheels fall off.
@@fun_ghoul oh yeah I definitely planned to
Nice!
please keep doing your videos like you are doing your videos.
Thanks. What more would you like to see
Awesome as usual, bro!!! Next up, an 18 speed, triple-split transmission from a dump truck.
That would be sweet
@@speedkar99 I wish I had one kicking around, I'd send it to you right away, I love the way you dissect them.
Have you ever think about teaching ? Very good explaining on manual transmission operation. Keep it up :)
Thanks. Alot of people tell me I should be a teacher
he's already teaching
You murdered it! I hope there was some horrible existing flaw with it to justify its horrible end
I'd assume they have the synchro for 1st and 2nd on the output because the output gears are larger. Probably beneficial to minimize the weight of the fixed gears
Does the transmission have flexible mounts that can wear out? I get a sensation in my standard of something wobbling back and forth after shifting especially at lower speeds.
Man I learn something w every of ur vids. Now I know what that gear noise is when cars reverse.. it's the straight teeth. You could review a box of Kleenex n I'd learn smthn
That's a lot of details. Now, I am kind of understand how manual transmission works now.
Hell yeah bro that's what I'm talking about
Very cool video! I didn't realize all the torque went through the selector rings. Are those little selector teeth the weak point of the whole thing or am I not understanding how the torque travels through the engine? Just seems weird to have the big gear teeth from input to counter but all the power going through those little nub teeth
Yes those teeth are responsible for locking the gear to the shaft. Once locked, they become one piece so theirs no wear, it's not like they are moving and meshing, the big gear is still transferring the torque.
"...goin to need to use my wife's old dress again to clean everything up especially this oily SHAFT.."🤣🤣🤣🤣