The Basic Parts of an Automatic Transmission (Part 1)

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This is part one 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 2: • The Basic Parts of an ...
Torque converter dissection: • Video
Discussion about this video: www.ericthecarguy.com/kunena/...
Stay dirty
ETCG
Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.

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17 фев 2013

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Комментарии : 913

@btarrh 10 лет назад

This tear-apart rocks the house, thanks for taking the time to post this. I'm a car guy myself and love repairing these items, my friends think I'm crazy but it's an addiction and adrenaline rush. I guess some guys get it, most guys don't.

@crosstolerance 6 лет назад

Thanks for a very detailed and informative video about the inter-workings of a automatic transmission. As a car enthusiast, I appreciate your time and effort put into this video to educate us!

@cj92157 7 лет назад

Your videos are awesome! Being in the auto field, the on line tutorials from work are hours long, and not interactive at all. I learn so much watching your videos... right to the point. Keep on doing what you do!

@godbwithme7586 7 лет назад

Man I love this dude. I have fixed all my cars and trucks from these videos and literally saved thousands of dollars. More Mullah for me BABY!!! Thanks Eric :-)

@godbwithme7586 7 лет назад

lol Only in love with the knowledge my man.

@idlecalvin83 6 лет назад

Lol that’s crazy

@jeremybentley820 7 лет назад

Brilliant! Eric. Truly wonderful mentoring. Refreshing to see such clare tutoring on the bench. Good one -Thank you

@ericthecarguy 11 лет назад

Stay tuned. That's covered in the torque converter video that will be out after this series completes.

@PKwhl 5 лет назад

Thanks Eric, I have been an Automotive Engineer and no one ever explained the Torque Converter, as you did. I wish I had seen this about 10 years ago. Thanks again. Pl keep teaching us.

@teiwakohiti1727 3 года назад

Really love this guy. Really easy to understand his explanation. I didn't know anything about transmissions. Now I can understand everything about how they work. Keep up the good work Eric the Car Guy

@vernonbocock1516 5 лет назад

Hey Eric thanks for all the info and help with understanding trans And how to match up the stall speed with the HP tork of the engine.

@zarkosarar7378 9 лет назад

Thank you for your presentation. It was helpful to understand how work AT on my car, and what I must to do for long life of my car . Zarko (Croatia)

@rickjames5998 6 лет назад

Zarko Sarar you seem like you could be an evil villain from a spy movie

@2005jgkay 9 лет назад

Whoever designed Automatic Transmission is a mad man who could think of this its amazing

@justinp8946 8 лет назад

agree

@DannyZabolotny 8 лет назад

+Jason K Well you have to keep in mind that it wasn't one person. It took many years of trial and error to get a smooth, reliable automatic transmission. So there were a lot of brilliantly smart people who were involved in the making of this. Same goes for most other engine components. It's really amazing to see how far car technology has come!

@UndefinedSlope 8 лет назад

+Jason K It's a product of the free market. That little things Sanders wants to get rid of.

@bradleypreston5282 8 лет назад

+Danny Zabolotny very true! hard to believe that 45 years ago people had clothespins on their fuel lines in the summer and points in the distributor. Now we have computer controlled fuel injection that can self adjust constantly, depending on current situation. also thankfully,no new car ignition systems require points! which I am very happy about.

@evancourtney7746 7 лет назад

Henry Ford. All planetary gear automatic transmissions are adaptations of Ford's model T transmission. He thought of using a pair of planetary gears with bands to arrest the ring gears thereby changing the drive ratio. The T's transmission bands were operated by foot pedals, not hydraulics, but the operating principle is Henry Ford's.

@rgseven6557 8 лет назад

I am a final year engineering student and I this video is something I can truly relate to. Thanks a lot Eric!

@ColettaHughes 5 лет назад

I have learned so much from you it's amazing. Not that I'd ever want to work on a transmission, but knowing how one works when talking to the mechanic is very reassuring. Thank you.

@Sagetower7 8 лет назад

Amazing video, I've never dissected one of these and I found the video very informative. Keep up the good work

@scottouimet2865 7 лет назад

Out of all the car guy videos I like how you show and explain things best, keep up the good work brotha!

@beaubryan5525 10 лет назад

Thank you for your videos and your deep deep insight into vehicles. I am a novice, and you have taught me much. Thanks again. Keep 'em coming. Videos on older cars and electrical stuff are recommended.

@ernst2 11 лет назад

Great video, I 've driven manuals my entire life. I never imagined a AT Trans was going to be this interesting. Thanks for sharing your knowledge!

@waynefish888 2 года назад

Thank you very interesting, it looks like a lot of work,

@Djhg2000 11 лет назад

Never seen the inside of an automatic transmission before, amazing stuff!

@ramsurntashan9920 5 лет назад

Hi Eric , you are one of my most favorite teacher you are just too amazing .Your tutorial are so explicit that its simple to understand thanks a lot . You are a genius.

@marinedoc0311 11 лет назад

Thank you so much for educating the masses Eric! You really are doing a service for humanity. I haved learned soooo much from watching your videos and you have helped inspire & motivate me to tackle many jobs that I would have never attempted prior.

@ericthecarguy 11 лет назад

The TQ has it's own video after this series is done.

@automatictransmissionexper1456 4 года назад

Automatic Transmission is a piece of art

@aaronw2522 7 лет назад

Thank you for taking the time to share this knowledge Mr.Eric!

@istishhadi 11 лет назад

Awesome video. I love how you explain how pressure is created. (most people would think the pump creates pressure). But really its the small passages that it goes through "the resistance of flow" that creates pressure. The explanation/visual representation of the the two gears that drive the pump was spot on. It almost resembles a turbocharger and how the turbine contains the air within the fins.

@filmaker256 4 года назад

This is great My Camry is extremely similar. One thing To know when your trans gets too warm it shifts very loose .

@jersoneslao7655 4 года назад

Filmaker25 what could be the solution for this problem? I have similar one, when my trans gets hot it shifts very loose,..

@SianaGearz 8 лет назад

Epic the Car Guide.

@ryanrabi 8 лет назад

who are you man ? you have dedicated half of your life for others to learn .God bless eric ii salute you

@Sheehanjacobks96 10 лет назад

The quality of your video is outstanding. You spoil us with amazing videos. And I thank you for each and every video you produce.

@Richard1979hush 8 лет назад

holy smokes! i have a whole new respect for mechanics

@bpettett29 8 лет назад

They are not called mechanics anymore, they are called technicians.

@xXSethTheGreatXx 5 лет назад

A mechanic can fix cars. A technician knows exactly why what they're doing is fixing the car.

@aceable7202 4 года назад

True Mechanic/Technician Is whole truly knows what’s his doing doesnt give up till its fixed and doesn’t let the car leave till street safe Trust Me Experience is proof

@ericthecarguy 11 лет назад

Unfortunately those transmission fail on a regular basis. It's likely you'll have to replace it.

@mpnistal 4 года назад

Is it true for all ATs? Or just specific types of AT?

@imaderobotsoccerteam 8 лет назад

ETCG you are effin awesome!!! You have a video on literally everything car related!

@1SourceSEO 9 лет назад

Eric, you are a role model... Nice professional video. I am inspired that one day our team can create nice in-depth technical videos such as yours.

@o0DraastiK 11 лет назад

Not going to lie, when I got my current car (which is Manual, first one) I was worried about traffic. After about 2 weeks of owning the car, you're right. You really don't think about the motions after a while.

@bryan10444 8 лет назад

It's a a245e transmission from corollas from 93 to 08 lol it's bulletproof if you dont let metal shavings contact the solenoids

@MrNamegame 8 лет назад

+Bryan So metal shavings contacting these solenoids somehow is actually possible let alone a common defect here?

@evan937 6 лет назад

I agree. Built by Aisin Seiki in Japan for Toyota. My 2000 Corolla has 220,000km and going strong.

@angellawless7413 5 лет назад

Evan93 mine has delayed engagement now, 175k miles. Bought it used a few years back tho

@to2055 11 лет назад

Wow, I learned so much from many of your videos. This one is just amazing - can't wait for the secons part. Thank you! Tobias

@Nikiaf 11 лет назад

Informative videos like this should be mandatory for all drivers to watch. Understanding how components work can lead to less ripoffs at the garage, and potentially better drivers for understanding what's going on inside their cars.

@elimalinsky7069 7 лет назад

so many moving parts and the complexity is astonishing compared to manual transmission. No wonder so much power goes to waste in automatic transmission. Stick shifts for life!

@wasafifanstv6317 6 лет назад

Eli Malinsky What he's shown is just 20% of the auto, he hasn't got to the details, its crazi i tell ya, he hasn't got to the solenoid and the sensors that work in unison with tha AT networked by the car's ECU and ETC, its madness!

@buzahraful 5 лет назад

I thought engine is most complicated thing in vehicle , I was wrong

@jesseharlan5700 4 года назад

Thank you for an incredibly useful and informative video. I've always wondered how this thing worked!

@bamboo59.52 Год назад

Absolutely Incredible the engineering and genius of people that work all this out! Would love to see a dissection of a C V T transmission.

@jordanlevibutton 10 лет назад

Eric I noticed someone else also had this concern that If you haven't changed your ATFluid in a long time and then change the trans fluid it could cause more harm than good. Is this true?

@romansmirnov3351 10 лет назад

Yes. In fact in newer cars you don't ever need (or should) change transmission fluid. I've never gotten an exact explanation for this, but was told that a sort of harmony is created between the fluid and different clutches and assemblies.

@frugalsolutions 10 лет назад

Roman Smirnov Its called job security, they don't make money if you prevent your transmission from failing prematurely

@romansmirnov3351 10 лет назад

That's pretty pessimistic Matt

@alcool0828 10 лет назад

If you have a new car, it is best to keep up with automatic transmission maintenance. Have the fluid drained and refilled every 30,000 miles

@fredrickmfungati305 6 лет назад

First Name Last Name Fredrick mfungati

@aquarius9491 7 лет назад

I'm just wondering how many mechanical engineers, hydraulic specialists, electricians, Mathematicians, Software & computer programmers, to design this ?

@ghost.protocol 4 года назад

Mostly, mechanical or automobile design engineers with a knowledge in design and simulation softwares. I don't think u need a mathematician, electrical engineer or a software engineer to design this. I am a mechanical engineer btw.

@aquarius9491 4 года назад

@@ghost.protocol so true, What the hell do I know ??? LOL

@trucktechie 11 лет назад

Thanks, for your thorough explanation Eric. I can't wait for Part 2 of this dissection and to see a Torque Converter taken apart.

@roverrovert6406 7 лет назад

Hey thanks eric, this video alone has helped me with my transmission class !

@1061shrink1061 10 лет назад

Auto transmissions are just unreal.... The fact that we can even build something this complex is beyond me. I find RWD autos more impressive to look at it bits though.

@TheDrunkardHu 6 лет назад

... All the king's horses and all the king's men could never put the automatic transmission back together again.

@nultari1 6 лет назад

ha.

@Dillithium 11 лет назад

So many questions I want to ask you right now. Everything you showed in this video just makes me want to take one apart myself and try to figure it out. Thank you for this video, I can't wait for part two.

@getredytagetredy 6 лет назад

You are a great human being...Thank you for all of your work that you do to smarten up dummies like me....

@ericboyles7208 7 лет назад

Very interesting! It blows my mind that people thunk this stuff up!! Just blows my mind! But, I'd need a xanax the size of a hockey puck to assemble it all again :(

@wildbill23c 5 лет назад

If you stop, slow down and think the process through and take your time disassembling and reassembling one isn't too bad, use the factory manual and go step by step and don't try and take short cuts. They're not as complicated as people think, just a lot of smaller parts to try and not lose or forget...and you really don't want to forget any as often times if you do the whole transmission has to be pulled apart again due to the way they're assembled. Many of the components are broken down into smaller groups of components, which helps a lot, so disassembling or reassembling the smaller groups of components makes the whole process much easier to understand.

@RaptorDiablo 8 лет назад

Never mind I don't wanna be a mechanic lol

@bradleypreston5282 8 лет назад

+Theist God couldn't have said it better myself, today we have so many specialists in the automotive industry and it makes sense when you think about it. there are so many different systems making up a modern car that it tends to be easier and more sense able for some to specialize in one area (transmission, electrical, suspension etc.)

@cherondavis2603 5 лет назад

🤦😂😂😂🤣🤣🤣

@filmaker256 8 лет назад

Good point at 16:00 I do put the e-brake up but sometimes the car may still lunge a little. One thing I have always noticed for some reason when you let your car heat-up for a little longer than normal -- it comes outta park flawlessly .Or another trick I used to do to my 2000 dodge neon was go to the front or back , whichever direction the car rolled in, step out and say it rolled forward, push back on it some, and that always seemed to help to.

@nsxt290 11 лет назад

Normally, I have understood all of Eric's videos. Awesome explanation and an apprection of how cars are made, service etc. This video, I had to watch 3x times to undestand this. You are right a complex work of art. Thanks for keeping us educated!! ;)

@Tr33People 10 лет назад

"If I find a problem with an automatic transmission I just replace it". I understand why mechanics do this (less chance of future failure, easier than fixing, make more money), this thinking creates a lot of waste and makes things much more expensive for your customers. Put simpler this way of doing things is better for you than for the customer.

@nikolaibreckenridge2287 7 лет назад

Ra0king maybe, maybe not. the transmission being removed usually gets rebuilt and sold to someone else. Meanwhile buying a rebuilt instead of having a mechanic try and repair it, when it may not be his speciality, is more likely to leave you with a more reliable car. Sure, a bit more expensive, but sometimes reliability is worth the expense.

@RzVids 5 лет назад

You could fix it yourself then 🤷‍♂️. Instead of simply remove and replace with warranty for a labor intensive job like this you could attempt to repair it w/o warranty and see how she goes

@wildbill23c 5 лет назад

Well in the case of tearing an automatic transmission apart to replace say a $5.00 bearing, they've pulled the transmission out, torn it apart, removed the old bearing, installed the new bearing, inspected the transmission for possible other faults, reassembled it, put it back in, test driven it....that's a lot of hours so yes, it makes sense monetarily to just replace it at that point. The transmission rebuild for my 1988 Ford Bronco 2 (A4LD) was $2400 that included removal, tear down, inspection, rebuild with upgraded components, reinstall, test drive, etc. As well as a 2 year warranty. It shifts great now, and haven't had any issues from the rebuild 3 years ago. They said they could have just replaced whatever broke, but by the time they did all the removal, tear down, inspection, part replacement, and reassembly and install it was actually about the same cost as just having it rebuilt since it was already apart anyways, and it just made the transmission better....a good shop will not only do a rebuild but they'll also do all the newest updates and upgrades within reason, and can always add additional upgrades like shift kits, higher grade parts, etc. if the owner wishes to pay the additional cost of whatever additions they want.

@filmaker256 4 года назад

And never let mechanics "road test" your vehicle. They will make sure it comes back with more problems.

@michaelkennedy8573 4 года назад

Bull shit. Absolutely bull shit. Isn't the mechanics fault your car is problematic

@filmaker256 4 года назад

@@michaelkennedy8573 UM no garage in history wants to make more money? EVERY mechanic is honest?? Tell the truth

@michaelkennedy8573 4 года назад

Filmaker25 okay so a mechanic does a suspension arm and finishes it up, gives you the keys and says there ye are, you drive it and it knocks its brains out who you going to complain too?

@Zzeke 4 года назад

Troll

@filmaker256 4 года назад

@@michaelkennedy8573 Yeah, and some of those wise ass grease monkey's don't go and peel out with your car, right?? When he he is given me the keys back with that grin on his face -- I know exactly what he did!

@johnofe 11 лет назад

I am so happy you're doing this! I love it.

@RJ-eg2nx 10 лет назад

Eric Awesome video.....very well explained, in my opinion. I have a 2004 Chevy Impala and just having the transmission overhauled. So, this was quite amazing to see the innards of a front wheel drive transmission. Looking forward to viewing more of your video's.

@FORDmustangs100 10 лет назад

Manual Transmissions are easier than Auto's

@Dommy2Hotty Год назад

What an awesome video! Very informative and thorough. Your explanations are filled with knowledge. Thank you very much!

@scflooring8658 4 года назад

That’s one amazing piece of engineering!!!Thanks Eric very interesting!!

@KelseySry 11 лет назад

Thank you so much!! I have an auto transmission test in class tomorrow and I'm in high school. This helps A LOT!!!

@JoseRodriguez-ks9ju 5 лет назад

By the way man your the best i wish i can heng out with you for a weekend just fixing cars because your knowledge is awesome

@jamessipiczky8830 9 лет назад

This is great video , I now feel like I understand how my auto transmission works.

@darnellkaehler6899 5 лет назад

Thank you for the sharing your knowledge. Great video

@s0nnyburnett 11 лет назад

This is the video I've been waiting for. I can die happy now.

@litoloco4fish 5 лет назад

Very amazing who came up with this ingenious concept. You are very smart yourself my friend. Very interesting video thanks

@BryanRamirez16 11 лет назад

Thank you for your feedback! I feel honored that you replied! Once again thank you and keep up the videos, there always of good help!

@andygarner4798 7 месяцев назад

I would have to watch this 13 times to really understand everything. Thanks for all your informative videos

@saarike 4 года назад

Simply excellent review and information! Thank you.

@Youngsoldier93 10 лет назад

This stuff is amazing how people can create things like this! Found a new appreciation:)

@gooddad1975 11 лет назад

One of the best transmission take aparts I've seen yet

@gilwerudacruz74 6 лет назад

Its great guide showing parts of engine basic for, thanks u are good man, please upload more of it than we know about trouble indication

@ZE7379 11 лет назад

Thank you Eric, to share your knowledge. It helped me here on Brazil to study more on our cars at my auto course in Brazil, we have got many good cars here to study, thank you.

@PM-sx9vb 9 месяцев назад

Thanks Eric I heard a metallic sound coming from the final drive. People tell me it's not possible. It's a 99 corolla with 90k. But you just showed me. I know it's the carrier in the final. Thanks again.

@0820patjr 11 лет назад

Love your videos Eric...your a thorough dude when it comes to explanation of the parts and how they work, kudos Eric this is good shit!!

@formulaonehotwheel 11 лет назад

Really informative. I had no idea what a torque converter was or what it looks like, till now! I can see that low transmission fluid can really wreek havoc on a transmissions life expectancy!

@Desertratgarage 11 лет назад

Really enjoyed the video eric! Keep them coming!

@alimcanuff6056 2 года назад

My brother thanks much you make it so easy to understand you are one of the best channel to watch thanks again bro for these wonderful video keep up the good work blessings on you and family one love from jamaica

@katymoniri5354 6 лет назад

Thank you man for this amazing video. You R a good guy

@TheOnlyTeenBeach 11 лет назад

Awesome to see a trans video! Now i am not entirely clueless what goes on in a auto trans and where parts are generally located! Thanks eric!

@k0vert 11 лет назад

First time seeing the inside of an automatic transmission, what a beautiful piece of machinery!

@johnervin8033 10 лет назад

Awesome service you provide for us knuckleheads, I know nothing about cars, and thanks to you now I do!

@jefflitman773 11 лет назад

Eric, great high level overview. I started doing my own tranny rebuilds a few years back. If you have a large CLEAN working table space, they are not that tough if you lay each assembly out as they go together. SOOO many seals come with your rebuild kits. Many are very close in size but if you put the wrong size in the wrong spot.... You are screwed. Also, I do a pressure test manually using an air chuck on each clutch assembly before I reinstall them.

@Seegalgalguntijak 11 лет назад

Wow, thank you Eric! I really wanted to watch a video that explains this since a long time! I haven't watched it yet, but am really looking forward to! And if it's anything like your engine explanation video, I know that for the first time in my life, I'll be able to understand how an AT works! Could you also do that same kind of video with other transmission types, like different CVTs and a comparison of a manual transmission to one of these new double-clutch transmissions etc?

@prepaidbrian 11 лет назад

Thanks Eric...your videos teach me more than my college instructors!

@bwill578 8 лет назад

Very informative. Enjoy all your videos. Thanks

@-BEASTOR- 11 лет назад

I love this kind of video's. For me this is the best learning progress :) If you ever run into a manual transmission do the same thing. The other side of the world doesn't use auto transmission that much. But this is verry usefull. Love it.

@mikepuhara1 3 года назад

This video is very good and make my work now easy. Cheers Mike

@ghost.protocol 4 года назад

Gr8 video buddy.. Thanks for the efforts to educate us.

@ugwuekesunday8075 6 месяцев назад

Thanks Eric the car guy. I appreciate you.

@TrungNguyen-qi7rj 7 лет назад

Awesome video! I can feel my brain exploding with information.

@Cor430vette 10 лет назад

Thanks!!!! your explanations are fantastic!! Your videos are friggin awesome!!!

@gladeye2 10 лет назад

Cheers mate, I could rebuild a whole car by watching your videos

@robertrahardja 11 лет назад

This is so awesome! I wish I had a car to take apart. ;) Thank you.

@jayatissapeiris6781 5 лет назад

Thank u sir. I've learnt lot of things from u. & Waste ur valuable time for us.

@Daniel-zh8zt 11 лет назад

Hey Eric deine Videos sind echt toll die haben mir auch schon das ein oder andere mal gut geholfen :D ich wünsch dir ne gute Woche und natürlich Spaß bei der Arbeit

@shwanaku7525 10 лет назад

it's truth i really enjoy when i watch your videos ..

@filmaker256 8 лет назад

It also resembles my 98 Camry LE Transmission to a "T". I"m glad you did this Eric I have been wondering for awhile what goes on in there. By the way I Only have 45,000 miles on my 98 .

@heyderaliyev8976 5 лет назад

Maan, you just cant imagine how i am grateful to you , I would kisss your hands If I were there with you, just because you help me to learn it, and make my life easier, it is just priceless what you are doing/ my endless prayers and thanks to you for it/ God bless you keep it up (y)