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The Basic Parts of an Automatic Transmission (Part 2)
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- Опубликовано: 14 авг 2024
- Visit me at: www.ericthecarg...
This is part two of my front wheel drive (FWD) automatic transmission dissection video. In this video I cover the operation of clutches, bands, accumulators, clutch drums, the oil pump, the valve body, valves, check balls, seals and 'o' rings, as well as the construction and function of many of the internal hard parts of an automatic transmission. To be honest a rear wheel drive transmission isn't much different as many of the basic components are the same. I guess what I'm saying is that you could use the information in this video to have a basic understanding of a rear wheel drive automatic transmission also. It is just a basic overview of the main components. I don't get into theory and operation so much. Just the general operation and identification of the parts. I may make more videos on this topic based on the comments I get so feel free to ask questions and perhaps I'll answer them in a future video on this topic. There will also be a separate video on the parts and operation of the torque converter as well. When that is posted I'll post links below to that video.
Part 1: • The Basic Parts of an ...
Torque converter dissection: • Video
Discussion about this video: www.ericthecar...
Stay dirty
ETCG
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... and this is why I drive a manual! Honestly, I think that the automatic transmission is one of the greatest feats of engineering ever, yet hardly anyone ever thinks about them. Thanks for the tear-down, and I will now understand an automatic better when I hop into one :)
I am a gearbox technician yet I hate driving....I take the bus home...but now when the bus changes gears...my head moves with the gears
Outstanding vídeo, for a person that says not AT expert, your performance is just staggering, I have learned a lot. Thank you and best regards from Brazil.
I thought that transmission work was overpriced, now I know that good transmission guy deserves every damn penny.
Ya same here lol
+Jonathan Vandagriff Shit is still overpriced.... when the dealership quotes you less with a warranty than the tranny place.... fuck them. 2199 for a torque converter and pump replacement.... GTFOH!
Im rebuilding my Ford c3 for my 1929 Mercedes Benz! the kit was 200 $ and we just finished (we think) it will work now it wasn't going into any gears. were going to put it in this weekend and hope for the best
I work at a transmission shop. I'll tell you it's no joke a transmission is very complex and they will have many variance of the same transmission. Get one check ball, spring, snap ring or clutch in the wrong place and you will have a world of trouble. You have to have a strong understanding of how these components work to properly repair them.
Transmission work is overprice what the fuck are you talking about?
They are fascinating. I went to school to become a mechanic, but I love how all this work so I return back to college to become a mechanical engineer.
=]
I did this after mechanical engineering. Most mechanical engineers start out doing some mechanical projects- not anywhere near mechanic leve but can fabricate stuff, but maybe 20% are into systems and haven't done anything mechanical.
i know it is kinda off topic but do anyone know of a good site to watch new tv shows online?
@Maddox Callum i dunno atm I've been using flixportal. just google after it :P -aydin
@Aydin Hudson thanks, I went there and it seems like they got a lot of movies there :D I really appreciate it !!
Thank you for making these videos!I am a graduate student in Mechanical Engineering, my professor only shows us the stick diagram about the transmission. So, even I finished the course, passed all the exams,in the end of the semester, I don't really know how the AT really works. But thanks for your video, I can relate to my class knowledge to a actual parts. And finally how it really works!!!!
I love the way that you explain technical complications. Great videos.great explanation on how parts move and work together.best transmission videos ever.
I have a car that has been down for 3 years. Really had no ideas where to look. These videos helped me tremendously. Can't wait til tomorrow to finally get started. I don't buy parts until I have an understanding of the system I am working on. You helped me sooo much.
Eric, this is one of the best, most thorough automotive videos anyone has ever made. Frankly: no one is this generous with their time or knowledge. Seriously, thank you for doing this. And please do more auto dissections.
Holy shit... lose interest?? I'm glad you're doing these videos! So informative and so interesting.
I just finished re building a 4T65E. I learned a LOT in the process. 2005 Monte Carlo. Works great now
this guy is very sharp! I always wanted to learn auto transmission! but I never found such a good tutorial!!!
If you are in the Denver area and need transmission service, Detroit Transmission. These guys are unbelievably helpful, and they do great work.
Eric, I've watched many of your videos, but this was the best yet. Enjoyed this teardown immensely-you're top notch-thanks!
Thanx Eric, i now understand the complex working of the automatic Transmission
And please believe me when I said that your video have taught me a lot because I even have the same transmission but giving a little problem right now. Much respect to you bro💪
auto's are pretty much a fluid computer, solenoids as transistors and the ball bearing valves as diodes
High voltage diodes are called valves.
Excellent video ... Thanks for sharing .. Never know what was in a transmission - but now I can say I know a few buzz words :)
Lever - Park, Drive, Reverse, 1, 2, 3, Low
Valve Body - (Brains) - valves to allow pressure to various gears (directs oil pressure to different galleries) opposite pressure (Differential pressure); Pump - (Heart) Oil Pressure, Accumulators (Hydraulic cousin dampers like shock absorbers), Governor, Bands, Clutches and 2 sets of Planetary Gears (outer housing center is the sun gear, center Planetary Gear, outer Ring gear)
for first time look inside a car and mechanics this was awesome! way more then I was hoping for! thanks.
You have the uncanny ability to take the mystery out of everything I wondered about. Watched both 1 and 2 four times. Now, I am tired, but there is always tomorrow night. Thanks again.
It was very satisfying to find the cause of the problem at the end, after all this intriguing disassembly. Even when I only understood a small part of it, I now have a much deeper appreciation for the whole auto transmission design
I'm watching this because of my slipping Honda Accord v6 and wow you hit the nail on the head about the valve body
+Jah Bless I think Hondas have their own proprietary design more similar to a manual transmission but could be wrong. IIRC also the 3rd gear tends to overheat on the v6 accords that have the faulty 5 speed design.
I am currently a technician although not an auto technician. I still deal with the parts like this including gears, solenoids, seals, bearings, retaining rings, and etc. Really a technician job is to fix a problem, we do typically understand it. Although, it is the engineers job to design it and make sure the purpose is happening. I do currently wish to become more of an engineer which would not be too difficult, although I really need to pickup more mathematics. It is amazing to see how engineers come up to put all the concepts together. But be thankful for the scientists making the discoveries, the engineers designing it, and the technicians fixing it.
What a great tear-down and analysis. Thank you.
The mind it takes to engineer the valve body alone is astounding. To integrate it into the various other components is an engineering marvel! It obviously takes a well integrated design team. Then the idea has to go to casting and machining. No wonder automatics are so expensive.
I'll stick with manuals myself, those I've refurbished without to many issues.
Man so many years after you are helping people I thank you for this video I really want to learn to repair these....Thank alot man greatly appreciated.
this has been very helpful to me , I just have had a gear shift problem but i know where to touch because replacement is better than buying new gearbox, this good work
Watched both parts. Was really cool to see what's doin inside the mystery 1500$ box. I also learned why I am not changing the fluid on my 01caravan w 159,000 miles. My wife's has 47,000. It may not be too late to do hers! Thank you Eric you dirty man.
A CVT tear-down would be interesting if you ever get one to work on.
amazingly simple yet beautifully complex
for many yrs I wondered just how exactly an automatic transmission works ..this video really gave me good insight and a better understanding to the internal components and dynamics to an automatic transmission ..thanks XD
Thanks for posting these vids! Good info to know, which also reminds me, I better change my oil soon. Hope it'll run well or even better after I've changed it. Mine shifts into reverse pretty hard everytime, my truck is 20 yrs old fyi, and during that time when the previous owner had it, I dunno how many times the oil's been changed. I've never changed it yet since I first got it almost 2 yrs ago now, if I remember correctly, man I better do that soon, wish me luck!
I got a kick out of that, as an Industrial Technologist one of my duties was checking the tolerances on the clutch plates for CAT 789 drive transmissions, you'd love the size of the planetaries in those.
Thank you very much i learnt a lot about this thank you sooooooooooooooooo much
Eric, you explain very thoroughly and just the way a layman needs to hear. Not that we can break things down like you, but now I know exactly what happens to gears when neglected. Superior instructional video!! Thank you brother for sharing the knowledge and keeping the love for the craft alive.
Good description that adequately caters to the understanding of automatic drives. Gives a good insight to the control elements as well as transmission from torque converter upto delivery of power at the wheels through the trans axle.
Good video dude, I'm trying to learn about automatic transmission because they are the only real mystery that remains, aside from absolutely every single other thing regarding the universe and everything in it...
Eric, I have been watching some of your videos for some time now and I tell you what; your tutorial
is one of the best and I commend you for that. Thank you so much for sharing your knowledge.
I had a transmission failure a few months ago on a Mitsubishi Verada (Galant or Diamante for USA market I think)... While driving suddenly it died, no drive to the wheels, no reaction when selecting different gears. Replaced it with another transmission, but thanks to this video now I'm pretty sure the oil pump failed. Shame I didn't open it to check! Thanks for this GREAT tear-down!
Eric I really enjoy your videos, thanks!! I was pulled into this wonderment about automatic transmissions because my wife's inherited 2011 Buick regal with a 6t40 transmission recently failed, and within 2 months of the dealer changing the ATF fluid at 60k miles, probably for the first time. It just stopped working in D and all forward gears, reverse still worked. So frustrating and expensive, and I suspect the fluid change precipitated the failure. We are having an independent shop swap in a remanufactured transmission as I write this. Good lord those transmissions are complicated beasts!!! Sooo many points of possible failure, especially for the 6T40 which seems prone to early failure for various reasons like broken snap rings destroying delicate internals. The dealer said there were no metal particles in the old fluid, but they also said they don't flush anymore, nor do they replace the filter, which for this transmission you have to remove from the vehicle to get it open enough to access. Getting into the transmission itself to diagnose was the next step - or just replace it, which after watching this video and a couple more on the 6T40 seemed like an easy choice! Thanks again. Do you have something similar for CVT transmissions?
I was looking for a thorough understanding of AT, and this video pretty much clarified my thoughts on the entire setup. Comprehensively done. Thanks a lot!
I learnt more things looking your video than working 1 week in an auto repair shop! Probably because the only thing they made me do was changing cars' brakes, oil and tires! Keep up the good work! +1 subscriber :)
Could u do a tear down video on CVT Transmissions?
My mom has a 2001 Odyssey. 240k miles. Currently on its 4th transmission. #1 and #2 failed normally, just wouldn't shift. #3...the transmission seized while she was driving and exploded fluid all over the engine. Left her stuck on the side of the road in a cloud of smoke. The engine is still in perfect shape today and has never had a problem. To Honda's credit, they helped her out even though the car had 220k at the time.
Thanks Eric for yet another very tutorial Eric the car Guy video. Once again you've knocked the ball right out of the park. Now, about that torque converter video.............
Very well explained, although I understand very little English, I was able to understand very easily the explanatory sequence and the learning order of the functions of each component or elements of this automatic transmission, especially that of the valve body. Thank you so much. El Cuchi Kenny Rendiles from Venezuela.
sir u r video help me too much as i am working as a mechanic .i repaired so many autotransmisson wow now i can repair with knowledge of all parts inside the gearbox....so thanx u so much for ur sharesir.......kumar frm india.
December 26, 2021 Happy Holidays! I found you today Eric and take you so much for the auto transmission tutorial. Like Hannah Hunt, I too drives a manual car (2015 Nissan Micra S). I think around 200k - 250k, need to replace the clutch disk on my Micra. About 112K mileage now and no problem(s) so far. Takes me from point A to B. Be safe Take care Be healthy to you all. Again happy holidays!
Phenomenal video and explanations. Thoroughly informative and entertaining, 8 years later 👏
I can literally taste trans fluid while watching these two videos.
That's even worse than smelling it.
You are an excellent teacher of these mechanics...
Fascinating video. I’ve fixed my own cars all my life, but really had no idea about the workings of automatic transmissions. I found it amusing that they use planetary gears and bands much like the earliest manual transmissions did. :)
for anyone that may be trying to rebuild: if you do that rag trick between two gears MAKE SURE you clean out all the torn bits that come off the rag. i personally just hold the gear with a rag and don’t let it spin in that manner and there’s a lot less lint that can get inside the transmission and that’s always a plus
Thanks again Eric. your videos are invaluable to me. Was just looking to see what I would be getting into in changing a transmission filter on a 96 G20 and ended up watching and LEARNING more than I ever knew about automatic transmissions. Keep up the great work man.
eric you are the best! you inspiered me to go and get my GED and im headin to lincon tech this fall for auto tech! i love your story your a true american and a true blue coler guy! keep up the good work your my hero man. stay dirty!!
Thank you very much Eric. Great video. Finally I understand how those things work inside.
I'll have to say this is the best understanding of Auto transmissionx
Excellent descriptions. Thanks for dispelling the mystery of how this does what it does!
Thanks Eric for taking the time to do this. It's difficult to find a video like this being perfect of a Auto transmission tear down.
Thanks for the video. My carolla kick down cable is sticking, and its always good to see the inside of the Trans before pulling the pan.
700,000+ views on part 1 and fewer than 200,000 views on this one. Most people probably gave up after trying to understand what the hell is going on.
Kody Montes The part two is not as interesting, because I'm not really understanding it!
Kody Montes
That's odd. Part 2 is what made everything click for me.
Andrew Rice still not sure how the fluid direction in the “ ant farm” works., great video though
Weh! What machanics are all about!!!! Thank god, I hear! "Thiers intelligence within the world" Sounds alot better than.....................................
and now, let's put all the parts back together... great video, by the way !
Hello from Russia Eric! It's absolutely wonderful video! Thank you for the great explanation of an automatic tranmission.
wow.. so much engineering into that one component. who would've thought. my mind was literally blown by what humans accomplished.
It's really damn cool to learn about gear ratios. Nice job at teaching about it.
This video being 10 yrs old, the quality of video is great
Thank you for this detailed and interesting video. I figured automatic transmissions were complex, but the intricacy and number of parts inside one is incredible. Considering that GM developed the first ones 70 something years ago, it was really impressive innovation in engineering.
Honda had to rethink everything because GM owns the lions' share of the patents on automatics. Sad, because supposedly the Oldsmobile plant shut down because they never could come up with a decent auto tranny.
Really loved these videos! I've never fully grasped how automatic transmissions and clutches worked until now. And, I think now I have an idea of what's wrong with the transmission in my car.
Excellent! Very good. Thank you for the video. I have always wondered about automatic transmissions, and this was really cool to see.
Half one in the morning and I now want to remove my gear box... it would never be going back in the same. Great video
I'm not sure about the others but I think that you made this very easy to understand!
Eric the car guy is awesome. Thanks for being a great teacher!
He should teach at a college. He's thorough, honest and interesting.
sound effect at 20:20 is amazing!
A "standard" planetary gear set can provide 2 speeds and reverse depending on which of the three primary components (sub gear, planet carrier and ring gear) is held fixed and which is the input and which is the output.
If you are old enough to remember the GM Powerglide transmission from the 60s,, it had one planetary gears set and only 2 speed.
Modern transmission with more than 3 speeds use a Simpson, Lepelletier, or Ravigneaux gear set or combinations of these planetary gear sets.
Hey Eric. Fellow Ohioan here from the Dayton Area.
If you ever want to do a Manual Transmission dissection, I have a busted one from my 91' Festiva that you can use, only thing I would ask is I do need it back because it is repairable. But if you do break it more than it already is, no foul, it has just been sitting on my garage floor for the past 7 months.
Good video on parts of an automatic transmission and how they work. Eric the car guy easily explained. Keep up the good stuff and of course stay dirty. I know I will.
Explanation and its timing duration alongwith parts shown are very good.... well-done
Thanks Eric!!! It’s very interesting and really informative! Good job !
I have a 2005 Nissan maxima and the transition might be going out. This video might have helped me get a better understand inf on how to fix it. Thanks man and love the videos.
Excellent video. Really amazed by the complicated nature and operations of an automatic transmission. I always thought they were identical to manuals, except for the flex plate and torque converter. Turns out they are not. Again, really awesome and educational video. I learned a lot.
I'm ready for part 2 which ties typical problems to the parts shown. Cool to see how the clutch fried.
I learned a lot from this. Thank you for you upload and taking the time to make this informative video :) It was helpful and fun to watch.
Also I was going to ask is it possible to put a reverse manual valve body on an automatic transmission while its still mounted up to the car, without having to actually drop the tranny and do it on a table? I lack the necessary equipment (transmission jack/stand and work space) to do the latter.
you're the man Eric, learned a lot from this video series. 2 thumbs up!!
GORY SCENE! I don't think I will ever lose interest in these videos. I don't care if it is was 1 hour long. Great job again.
i really like u uploading the vids in the morning cause i have classes and in between them i have something to do.
Eric thanks for being so awesome and doing this automatic transmission dissection. It really is cool to get down and dirty and open it up. Although briefly you explained things very well and now I have more knowledge on what is what and how the functionality works from the engine to the transmission and ect. Thanks man!
Thank you for taking the time to do these videos Erick! We learn a lot and find something entertaining to do.
Great videos! I love cars but I never took the time to learn about everything. Your videos have taught me more about cars than I've ever learned
My man Eric does it again.
Great video, loved it, gives me a new understanding and respect for my mechanic and the engineers who design this stuff.
Just Keep in mind that if you see burnt up clutches for 2nd gear or 3rd gear , etc you need to check all the valves to make sure that they aren't stuck or that a bearing didn't just explode or a bad linear solenoid because burnt up clutches is just a symptom of another bigger problem
great video! i love the way you explain everything. Chrystal clear!
Amazing video Eric! Always wondered what was going on in the valve body. Your brain analogy was very appropriate.
Sometimes I wondered what was more difficult to rebuild, manual or automatic. Watching this video reminds me that automatics are just so much involved and complicated.
Rebuilding a manual is easy because of its assembly. Automatics can be tricky. Depending on what goes out on an AT determines quite often determines whether you should rebuild it or just get a new/used one and swap it out.
entertaining heck mine instructor lectures are entertaining yours video was a real deal.i spent 6 months in institute and to this date when it came to auto transmissions I was just stranded just dumb.but this video has cleared my many concepts.thanks man for the video.
Thank you so much for the explanation....I always wonder about that stuff...thanks
As a woman who knows fuck all about cars... I love your videos Eric. Thankyou for breaking everything right down and explaining in layman's terms.
Thanks for posting this, now I know how it's working!
TRANSMISSION ARE A HELL OF A GREAT TECHNICAL ACHIEVEMENT ,, THANKS FOR THE VIDEO
interesting presentation I learn a lot from the internal parts. many thanks Eric
Automatics are such a pain in the ass... I always hate having to tear into them because there is just so much than can go wrong with them. They are definitely intimidating, but they can be fun if you're into busy work. Thanks for the vid Eric! Awesome as always!
Came on here looking for the transmission fluid temperature sensor that measures the temperature of the transmission’s automatic transmission fluid. It is often used to delay the engagement of overdrive and the converter clutch when the vehicle's engine is not warmed up. If it fails it is sometimes unnoticeable, but may produce an automatic transmission fault code. (Toyota Lucida 2.2TD AWD) Maybe on the video Eric ? Thanks anyhow, enjoyed watching.