How a Hybrid eCVT Transmission Works Part 2

[@speedkar99]

The video on Hybrid electronics can be found in Part 1 here: kzbin.info/www/bejne/jp2baJSYd9FsY6M

[@kman2220]

What are the limitations to these eCVT transmissions? I would think top speed is limited with only a single planetary gear set. Also, it seems that having one reduces the towing limit. Is towing limited because of heat generation or something else like the battery running out of juice and then you're running on the ICE. I recently took a look at the RAV4 hybrid. It has a decent size 4 cylinder, 2.5 L, that should be able to tow 3,000 lb but they limit it when you have the eCVT. Why? Love your videos... Educational, entertaining, and no bullshit!

[@landshass2849]

The difference between CVT and Toyota ECVT is like the difference between mail and email, TOTALLY two different worlds. I wish Toyota got a better term for their great ECVT.

[@speedkar99]

Agreed. This one is very reliable

[@Henry_Jones]

Ive said it a million times, toyotas 1 mistake was using the 3 letters, CVT. It made everyone think there was a nissan style belt pully cvt and scared a ton of people from adopting hybrids. Journalists, consumer reports and even prominent automotive youtubers got it wrong for years. If toyota had just called it a hybrid transmission it wouldnt have put the image of exploding jatco cvts in peoples heads and their hybrid lineup would have taken off much faster.

[@landshass2849]

@@Henry_Jones yes, Toyota got the name wrong both ways. Nissan and others took advantage of this, just walk into a Nissan dealership and they'll tell you :" oh, this car has a CVT just like Toyota".

[@NHD777X]

@@speedkar99 Thank you for the video. Is the regular Toyota Corolla CVT (Non-Hybrid) also as reliable as this? Please advise. Thank you.

[@JoeyLindsay]

@@NHD777X unlikely but it’s probably more reliable than a Nissan CVT

[@brined]

Really appreciating all these Prius/Hybrid videos! People don’t under appreciate the ingenuity of Toyota’s hybrid technologies - they’re marvels of engineering that are both reliable and efficient. Thank you for teaching us as you learn yourself!

[@speedkar99]

I agree. The Prius was definitely ahead of it's time. And I'm glad I found an affordable example to teardown.

[@jakp8777]

Likewise Prius owners don’t realize they are going too slow for the left lane and all those people going around him are annoyed.

[@jackdonkey22]

Before i got Prius i was mad at the drivers in front of me , now I'm mad at the drivers behind me.

[@al.3otshl147]

The puzzling question is is it possible to unlock the speed to 255 km/h or is there a problem facing this transmission, for example on a camry, such as heat or damage

[@razorburns8651]

It was already existing technology . America invented the hybrid transmission

[@kellymoses8566]

The Toyota eCVT is one of the greatest bits of engineering ever.

[@speedkar99]

It sure is! And it's reliable from what I can see. Nothing to break or wear down here

[@IBOO57]

You would think that chain would give up eventually ​@@speedkar99

[@razorburns8651]

All based on existing technology .

[@davidhollenshead4892]

@@speedkar99 Then why do most of the Prius' here in Portland, Oregon disappear from the roads in less than eight years and under 100k miles??? I have heard Prius owners say that "this is because Toyota's are better", (that they don't last because they are disposable). Mind you that when I tried to help a neighbor because her Honda CVT grenaded at just 47k miles requiring a complete replacement, she told me that my 2007 Mustang GT won't even last 47k miles and that I "was a moron for buying an American car"...

[@abea4696]

This is an engineering class not a diy show. Thanks man

[@speedkar99]

Taking it a step above the typical remove and replace

[@Tosuzawa]

Impressive hydraulic press!! And that graph explaining the ratios is just brilliant... Tesla Model 3 uses the same type of electric motor (IPMSynRM) as this Prius which is more than 15 years ago. IPMSynRM is 96% efficient compared to the traditional squirrel cage induction motor at 94%. This shows how far ahead of its time the Prius was.

[@speedkar99]

Thanks. I stole the graph from a website online that did the math behind it and modified it for the 6 main modes of the power splitting device. Didn't know about the Tesla drive unit.

[@Tosuzawa]

@@speedkar99 Could you please share the link to that website? I'm curious.

[@toninocars]

Absolutely, and since Prius was here way before Tesla I think teslas engineers has done that job dismantling Prius motors and learning from there✅👍

[@Tosuzawa]

@@toninocars If you're fascinated by this 15+ years old technology. Look up direct drive motor designed by Genesis Robotics.

[@marzomarzo4752]

@@toninocars nnj

[@oldsport6313]

You should work for NASA or Tesla , your understanding of mechanics is amazing.

[@speedkar99]

Thanks. I'd rather work my curiosity independently than be bounded by someone else's

[@paulparoma]

I think he is a little too smart for team work, especially at NASA or Tesla.

[@davidhollenshead4892]

@@paulparoma He isn't white, so working for White Nationalist Motors [formerly called Tesla] isn't a good idea...

[@Alim_Borz95]

I'm a kid, and i really like your videos. Because of you i have build more confidence throughout the years, learning and understanding how engines and transmissions work. Thank you so much i appreciate your work and effort.

[@kurtgabbidon2666]

This is some seriously advance piece of technology. I'm impressed

[@rotorhead5000]

Fascinating doesn't begin to cover it, your vids are the best when it comes to laying out something that is as conceptually complicated as this.

[@speedkar99]

Amazing. I love doing this and learning new things

[@Toyeboy89]

This is in impressively good shape for 300k miles! Toyota for life!

[@speedkar99]

Agreed. No wear

[@mjjferreira]

500k

[@Toyeboy89]

@@mjjferreira 500k km

[@cliveradvan3414]

Excellent presentation. It really helped seeing the breakdown of the unit along with the demonstration model along with the relationship graph. All with the perfect amount of toothbrush pointing :)

[@aliakbari4323]

I appreciate your complete set of various tools. The presentation tool you used also helped me a lot to understand the concept as well as not to forget the importance of brushing. Your videos are not only agreat source of knowledge on engineering but relationship and morality as well. Keep going... God bless you

[@speedkar99]

Thanks I'm glad you appreciate my efforts. What do you mean by various tools?

[@raymondricketts5593]

Thanks for sharing. The graph especially is fantastically revealing.

[@Hanksgto]

Dude, you are an excellent teacher! Love your sense of humor and I hope your wife does too.

[@speedkar99]

Thanks for the feedback!

[@stephendoherty1275]

Awesome vid as usual, but that detailed presentation on the hybrid use is incredible.

[@speedkar99]

Glad you appreciate it!!

[@michaelbezoski3096]

Incredible amount of mass precision engineering to function, quality control to match no other. Amazed the reliability is so high but it is. Great job oh Northern Neighbor. My head spins like MG 1 and 2 watching you explain the concept and mechanical integration of pieces parts while "busting a nut" and referencing to the "speed of a grocery cart". What ever KZbin income that trickles down to you from them it needs quadrupled. Again thank you & well done lad!

[@Daniel-zh3qz]

Thank you very much for the in depth videos on Toyota's hybrid system! I was really looking forward to seeing you tear down one of the ecvts and I love how you show even the smallest details. I have read a lot about this system since I bought my Lexus hybrid but seeing all the real components and how they are arranged, makes me understand and appreciate this technology even more. Also very cool that you took the time to explain how motors and engine work together at different speeds with that graph. This is one of the best channels on KZbin!

[@wgforster]

Great video. Love your humor. The number of parts inside that transmission is crazy. Seems like a reliability nightmare but I guess there millions of miles on those things.

[@speedkar99]

Glad you like my video style 😉

[@oldcat3439]

Amazing breakout (literally) presentation .. well worth viewing at 75 % . Thanks a million ! oc

[@speedkar99]

You are welcome!!

[@curedham2963]

I bought a 2025 camry se so im trying to learn how everything works because as a car guy i respect and appreciate the quality and engineering. Its crazy how well made the car is!

[@speedkar99]

Nice purchase. I think the powertrain will be solid since it's proven in the last generation. I will have an updated video on the Prius gen 3 system later this year.

[@stefanrock8982]

Amazing video! After many videos explaining the functional principle of the eCVT, it is good to see one being taken apart in real life for even better understanding (especially of the internal geometry). Many thanks for that!😊👍

[@BobboNaught-YT]

I love how this is an entirely new type of transmission. Not a conventional gear-changing, not a belt CVT, a truly electronic CVT

[@TheSoundsnake]

Very to see all these components, thanks! I do appreciate the Prius, we own one, a 3rd gen plugin. I guess they have a lot more grunt, as it keeps a steady 80MPH on the German autobahn, even up hill, loaded with the entire family and holiday luggage. Also on a flat stretch it’s absolutely amazing how quickly it reaches 110 MPH. Still 50MPG (US) for the entire journey. It’s by no means slow, but the ICE revs up quite a bit during acceleration and on steep hills. If you’re the kind of driver that doesn’t want to hear the ICE, afraid to bust the engine, well yeah then it’s slow… But at 80MPH on a flat stretch you hardly hear the ICE. Clever technology and very robust, due to the lack of a physical shifter mechanism and all gears permanently engaged. The plug-in is what it should have been from the beginning IMHO, as it does 55MPH electric only, and has enough storage capacity to drive really long descents on regenerative braking only. I checked the brake temp after driving down a pass in the alps: discs were cold! Impressive.

[@speedkar99]

Awesome !

[@rogerfeenstra9496]

Like the human body, this incredible piece of machinery evolved over millions of years by chance.

[@timl2k11]

“I’m just going to use my wife’s toothbrush to clean this crud off.” 😂

[@benjaminsmith4058]

I loved the plot and stand demo - made things very easy to understand.

[@speedkar99]

Thanks! Glad it helped. My new desk ornament

[@meeder78]

I would like to see a plot for the 4th gen Prius. MG1 and MG2 are much smaller but they rotate up to 17000rpm to compensate. My 2019 Corolla has the 4th gen drivetrain and at 62mph MG2 is running close to 10000rpm.

[@lj516]

This is an amazing video! The only addition I have is that battery power is only really used for all electric mode, these can cruise all day long up a hill as they can change rpm as power is needed and all power for MG2 normally comes from MG1 and the ICE.

[@speedkar99]

Yes that's correct

[@Bluelightbandit]

04:04 Makes ya appreciate your impact wrench even more.

[@speedkar99]

Sure does

[@mr.anonymous3103]

Looks like ecvts are more robust than the traditional cvt. I like that. Traditional cvts are not too reliable in my opinion. It's good to know that they won't be around for much or in all the cars.

[@speedkar99]

Agreed! I don't see any failure mechanisms in this transmission as long as everything is cooled and lubricated.

[@zoomanx9661]

I prefer that thick chain over that band that Nissan uses

[@HEMI345S]

@@speedkar99 Those 2 conditions apply to any automatic transmission ...

[@JoeyLindsay]

Subaru CVTs go well and good

[@rishijai]

This is a really complicated system. It's amazing how close those fluids are to the coils and electrical components.

[@speedkar99]

Yes they have to be properly sealed

[@rishijai]

I'm sticking with a regular 4 speed ATM transmission, thanks. And a simple petrol engine with port injection.

[@meeder78]

@@rishijai these hybrid transmissions are extremely reliable,. I dare to say that they are more reliable than your aforementioned 4AT transmission. With the exception of the current dynamic force hybrids (1.5 Yaris, 2.0 Corolla and 2.5 RAV4 and Highlander) the ICE engines are simple port injected engines as well.

[@eddynetweb]

@@meeder78 dare I say these are likely more reliable than even a manual. Failure and wear points are to an absolute minimum. The 4th gen hybrid system has perfected this further by removing the chains and using just planetary gears.

[@meeder78]

@@eddynetweb I agree that it can even be more reliable than a manual transmission. The 3rd gen also has no chain as far as I know. Starting with the 3rd gen there is an additional planetary gear set (motor speed reduction) connected to MG2 which allows a slightly higher EV speed of about 50 mph before the ICE has to kick in to prevent am overspeed of MG1. The 4th gen biggest advantages are the even higher EV speed (I have seen 65mph EV speeds on my Corolla) and the more compact construction due to the parallel axis design of MG1 and MG2 instead of the inline construction that was used before.

[@dominicfong6341]

Next time when you get stuck behind a Prius, it isn't because it is underpowered, just means the driver is hypermiling. When equipped with grippy(instead of low rolling resistance) tires, the handling is really good and lot of fun as it has great low end grunt and brakes that never fade as in a pure gasoline powered vehicle.

[@speedkar99]

Sure ..I didn't find this one particularly fun to drive. I'm used to V6 sedans though

[@Endfloat]

Absolutely brilliant video! Well done! I have an Auris hybrid (which I've reviewed on my own channel) and it's great to get a good simple explanation as to how everything works in it. I especially liked how you laid all the parts out towards the end and rotated them by hand.

[@connor3008]

This is one of the best videos I’ve watched by far.

[@speedkar99]

I'll have one for the gen 3 Prius soon!

[@davidhollenshead4892]

@@speedkar99 The one that keeps blowing engines???

[@OrganicDruid]

most underrated car channel on youtube

[@s1382]

Brilliant and funny! Thanks for helping a 73 year old gasoline mechanic stay up to date.😊

[@timthemechanix]

Enjoyed your vid. I just replace a trans in '07 Lexus RX400h due to trouble codes from insulation leaks in inverter and trans assembly. 46 years turning wrenches this my first hybrid. After replacing with one from '08 from an '08, along with inverter/converter. I decided to look inside and was surprised to find how simple and minimal parts it took compared to a regular automatic trans. Also, this is 3rd generation where they eliminated the chain to final drive and where I found what failed. The gear from final drive to differential was missing teeth, both gears. I imagine the pieces of the missing teeth I later found stuck to magnetic parts caused the insulation leak code. The code would not allow the ready light, but if I cleared the code it drove fine until the the warning lights and it was turned off. The stators are different, too. was hoping you show freeing the magnets. These seem better secured. This has been a great learning experience.

[@speedkar99]

Glad you learned something and appreciate sharing your experience. These are quite simple inside and I'm surprised they failed. Final drive gear is usually pretty strong as it multiplied torque

[@timthemechanix]

@@speedkar99 I agree. But there's something else that could have contributed. The bearing on the right side intermediate shaft, actually part of the cv axle which is mounted to the block. part of the engine mount, was bad. Rust welded into the hole. had to unbolt the mount bracket from the block and put into the press. It barely turned. And it came apart when pressing the shaft out. P0AA6/inf613 if the dtc that led me to the transaxle. And an insulation leak in HV system code resulting from gear teeth in the drive motor...

[@johannesincalifornia]

I am so happy to have learned that my new car does not have a belt in its CVT. Planetary gears are genius.

[@speedkar99]

Nice. What car?

[@2405jacko]

Be careful with those magnets there, brother, don't get too attracted to them. Love your sense of humor by the way.

[@speedkar99]

They sure are strong magnets

[@tomek2630]

Thank you for an amazing lecture. I have a Corolla Hybrid and this video has explained a lot. However, I still don't understand some points. What is the total combined torque of ICE+MG2? All I can find is the ICE torque. It seems that Toyota doesn't provide this value. Or maybe it's impossible to measure it in this kind of hybrid car? One more question, does the MG1 add any torque to the output transmitted to the wheels?

[@ejazahmed6003]

Hello Sir, I have few questions please! I Imported a HONDA FIT 2020 EHEV HYBRID with a milage of 76,000 km from Japan. I wanted to change the Gear Oil fluid, but am confused about multiple things; - Which gear oil to use? HCF2 OR ATF DW1 - Are there any filters inside its gear which need to be cleaned or replaced by opening the chamber , or is its just drain and Refill? - Beside Engine oil, gear oil, brake oil, coolant, is there any other fluid/oil which need to be replaced after specific millage? Thanks in Advance Sir!

[@coyotestarrk5749]

Really enjoyed watching, while having no idea what was a I looking at🤯. I'm considering a hybrid they seem pretty reliable. Thanks for the vid.

[@projectchon]

Very nice demo of the ecvt system you putted together, easy to visualized and understand.

[@paulch5906]

It is the best Toyota Hybrid system video ever!

[@speedkar99]

Thanks! Please share on your network

[@evanleo7633]

The beauty of the Toyota eCVT is it’s driven by electromagnetic force not friction in CVT AT and DCT thus has little to wear during it’s lifespan as a result Toyota eCVT is stupidly durable and require no maintenance

[@speedkar99]

Agreed. Just change the fluid once in a while and you'll be good for a million kilometers

[@evanleo7633]

@@speedkar99 thanks for the reply! Even the fluid last a lot longer than conventional transmission, fluid in conventional transmission will be contaminated by friction material like clutch and belt very quick

[@wfemp_4730]

Informative, and loooove the responsible use of "the wife's" clean-up apparel.

[@b0rZ84]

I like how you utilize clothes and tools of all your family. Very clever. :) On the serious side, finally I understand hybrid systems. Thank you for the effort making these videos!

[@Henry_Jones]

Its such a simple transaxle from a moving parts standpoint. Its no suprise I still see gen 2 prii on the road every day.

[@speedkar99]

Yes it's very simple and reliable

[@151bradhatt]

Simple yet so complicated. You better get your wife a new wardrobe after this

[@speedkar99]

She keeps buying clothes so I gotta help keep the wardrobe capacity in check

[@jacobnathanielzpayag3885]

Wait so is this the same of all Toyotas with hybrid synergy drive including PHEV versions of some of their vehicles? I am honestly in awe of how well engineered Toyota's eCVT system is especially considering that it was first introduced back in 1997. It was way ahead of its time.

[@JoeyLindsay]

It excludes Toyota’s new Hybrid MAX drivetrain which uses a torque converter automatic transmission instead of an eCVT. This drivetrain is used in the Toyota Crown, the Sequoia, and the Tundra. These power trains are less efficient but can handle more power from the engine and electric motors

[@bobs_ya_runkle]

Those V blocks are just amazing! 🤣

[@speedkar99]

Yeah it sure helped understand this

[@shane6115]

It’s like something Scotty fixed on the star ship enterprise, it’s more complex than a flux compositor

[@abnfalcon3901]

Hey man love your videos and the way you share information about different engines, transmissions and other stuff. I wanna say that if you can get a diesel engine which you can strip up and show us, would love to see what's in it compared to a gas engine.

[@speedkar99]

Yep I am looking for a VW TDI

[@sensiblewheels]

@@speedkar99 wishing it's the 1.9 👻

[@EonVPN-e8e]

Quick question... it looks like the gear teeth and parking pawl in the eCVTs look a lot more robust. Is it as important to engage the parking brake all the time if you have a hybrid eCVT (Toyota/Lexus) compared to a standard automatic transmission? I worry that the little electric motor in the electric parking brake in the rear, will wear out and break sooner (I'd imagine it's expensive to replace, though not as expensive to fix as a malfunctioning parking pawl)

[@tanzaniacarschannel6975]

Is transmission fluid not causing those wire windings to short?

[@speedkar99]

No it's not conductive

[@kuningaskoopra]

Is this ecvt same what is on lexus 300 serie hybrids?

[@beammeupscottsp7952]

Just hit 200,000 on a 2012 Ford Fusion hybrid and never knew the transmission fluid needed to be changed, you think I should change and not take that risk? Only regular oil changes, sparks, and a couple of o2 sensors, knock on wood.

[@danc2014]

Toyota has multiple variants of Prius transmission ecvt this looks like one of the early version. What year was this used in?/

[@speedkar99]

2004-5

[@yw5613]

Can you do a E-CVT breakdown for other car brand, maybe like MG, Honda, etc? I am planning to buy a hybrid vehicle but i dont know how reliable those hybrid gearboxes are.

[@MattJonesYT]

What do you do with all these parts? Do you run a parts shop?

[@speedkar99]

Scrap. The unique ones can be desk ornaments.

[@joet.4053]

this video is absolutly amazing

[@speedkar99]

Thanks

[@petercrocker2421]

Where can you get that graph for this or other Toyota eCVTs?

[@speedkar99]

Check alldata

[@robeldagne8553]

I have 2024 Higlander Toyota hybrid XLe does it have ecvt or cvt?

[@slimshady5938]

Can u show us how the 4th gen prius ecvt works. Please 😊

[@maxandrade3918]

Greetings from Ecuador. My question is, do Nissan Altimas have this eCVT or the conventional CVT's?

[@speedkar99]

The hybrid is licensed off Toyota technology so those will have an ecvt

[@pianoplayer56723]

Conventional unless it’s the hybrid.

[@Enigmaafk]

Nice V-block wood stand :) keep it up always some to learn on this channel.

[@speedkar99]

Always learning new things myself

[@NHD777X]

Thank you for the video. Is the regular Toyota Corolla CVT (Non-Hybrid) also as reliable as this? Please advise (if possible, please make a video). Thank you.

[@meeder78]

As long as you change the transmission fluid very regularly they can be reliable but the hybrid transmissions are extremely reliable.

[@KBtek]

Hi Good evening from India your videos are very intresting 👍

[@speedkar99]

You are welcome from Canada

[@Bbbuddy]

I missed how the engine turns independently of MG1. Seems to be permanently connected through the “clutch.”

[@VanuOfMILF]

The eCVT is a marvel. Extremely reliable and efficient. It would be wonderful if more cars started using them.

[@Stefan_Dahn]

Their time is over. They haf their best time 5 to 15 years ago. Since Tesla came out with the Model 3 and Y, this is now top notch. Much simpler, way fewer parts, cheaper and no oil changes. And no farting engine.

[@leeknivek]

​@@Stefan_Dahn yeah except you need expensive batteries that only last about ten years

[@Ichibuns]

They do. Ford uses them in their hybrids. They've been fantastic. It's everything else that's the issue

[@mrburgermaster]

It does look like a transmission that'll be fine as long as you change its oil regularly. I believe the new Ford maverick also uses an eCVT on their hybrid trim. It makes me wonder if a stronger, similar system in in development for the next generation hybrid mustang, or if it will uses something different.

[@chunkyazian]

as reliable as this may be, it still isn't the most efficient machine while under internal combustion cruise mode. A portion of engine power is used to generate electricity, which is around 90% efficient. Then you need to convert that electricity back to mechanical power, which is again is 90% efficient. Multiply the 2 together and you're looking at 80% efficiency. This is why it only send a portion of the power thru the electric route and another thru the gear route A manual transmission, when locked in a 1:1 ratio is around 99% efficient. This is why trucks with automatics are actually robotically controlled manuals. fuel efficiency > smoothness in a vocational application. Notice how the top notch mustang, corvette, porsches, and ferrari are using robotic manuals? They want to deliver every in-oz of torque to customers who are buying serious sports cars

[@JoeyLindsay]

Toyota also has their Hybrid MAX system which replaces the eCVT with a torque converter automatic. This powertrain can be found in the new Toyota Crown, the Sequoia and the Tundra models

[@Blank00]

Can you do a video on Honda's I-MMD using a propulsion system off of a 2014, 2015, or 2017 Accord Hybrid?

[@speedkar99]

I wish I could find one but those are too expensive to find scrap

[@littlereptilian7580]

So I was wondering how they can simulate gears so good. I can pick 8 gears. How does it do that ?

[@cadenschaefer7909]

You can pick 8 “gears” in your HYBRID Toyota? Really? You sure it’s the hybrid? This video is about the HYBRID.

[@riasat001]

Hello sir between 2022 Honda Odyssey and 2022 Toyota Sienna hybrid which one would you pick. Mind you I keep my car forever.

[@dgurevich1]

I have a Lexus hybrid with a V6 with ~170k miles When I start driving in the morning when everything is cold, on electric power I hear a rapid clicking from the gearbox, which I assume is the chain clanking against the sprockets. After everything warms up, the noise goes away. This gearbox never had its fluid changed. Should I do it? will it help?

[@speedkar99]

Change the fluid but I don't think that's the noise

[@joeKisonue]

That's the proper way to start an engine for the emission reducing feature of traffic light/ long pause stop start. I wonder how many starter motors the BMW and Ford and any other vehicles out there constantly restarting at traffic lights are having replaced compared to the ones before them. Then to make it worse is most people like to constantly creep at lights. Fun!

[@tacomas9602]

That's amazing, it has a tiny clutch thing

[@sammanwan]

This is why this is best transmission it makes reduce overload of motor and engine

[@Hawktied]

I have '07 Lexus GS 450h with the eCVT transmission. I would love to know how many differences there are between that and this Prius' eCVT. The Lexus is limited to 250 km/h, so I’m there needs to be some major differences.

[@davidgriffin14]

Can someone please explain exact how the transmission starts the motor.

[@tanzaniacarschannel6975]

I was experiencing some knocking noises most of the time when mg 1 was starting the engine,at the same time i was experiencing low power even when engine was comingin to assist Mg2 during acceleration...so today i decided to find out what were the reasons for the issues. To my surprise torque damper had very weak springs that were playing around within their containing housing, also it is like the clutch was slipping within its case during had acceleration..so i decided to replace the clutch now the car move smoothly and it has gained power and it accelerate fast compared to previous time. (The car has 205,002km on the clock with original health battery (Delta soc 0.00%, voltage difference o.o3v) i love the car and i service it regularly myself., and issue hybrid assit app to comand my battery coolingfan to turn on always to cool the battery.

[@gavinb5784]

How reliable is this ecvt? Known mileage before it start giving up :) thanks

[@jonnycando]

This transmission is notable in that it’s NOT a gutless scaled up moped transmission…..a much better concept for a car or van and FAR more durable!

[@speedkar99]

It sure is more reliable than a conventional CVT. Too bad it shares the same broad name and stigma

[@TopBoi93]

I’m looking to purchase a lexus is300h 2016 reg. I see some that say cvt and others that say e-cvt which is why I looked up this vid. I am complete newbie with this stuff, can someone please advise me which one I should get and why (in simple terms). Many thanks.

[@speedkar99]

If it's a hybrid it's an eCVT

[@00Papyrus]

What a kick @$$ video!!! Seeing the internal parts of this monstrosity makes me appreciate the amount if engineering that goes into these cars. Appreciate the great content and jokes being cracked...makes it easier to digest the massive amount of info in the video. Might be time for a new tooth brush though?

[@speedkar99]

I appreciate and learn how they work just as you do when taking them apart. Engineer myself so I look at things very differently

[@tanzaniacarschannel6975]

@speedkar99 Hello, am having issue with my prius gen 2.. my prius has been always charging its Hybrid battery to 6bars every time I use it for trips, yesterday I took it for 1200Km spin , it charged the HV battery to 6bars, then after 200km it never again attained to that level of SOC(6bars)..now it only charge to 4 bars, then once it reaches 4 bars the arrow that shows charge is being fed to battery stops, but when SOC bars become 3bars, the charging arrow comes up again and HV starts to charge to 4bars then stops even at low speed.. but when regenerative braking kicks in the SOC of hybrid battery attain its 6 bars, then after sometime the battery SOC will drop. (depleted) to 4bars...this makes car to use engine power much to run the car and car become inefficient... Kindly sir assist to tell me what might wrong with my car? Note:(no warning light, inverter water pump is working too)

[@speedkar99]

Your best bet for battery issues is to get the scan tool that can read that data and load balance the cells.

[@tanzaniacarschannel6975]

@@speedkar99 thanks for response...

[@nosretep1960]

Your wife must be grateful, whole new wardrobe!

[@mudmastersdrywallrepair5136]

Q#1: When I am coasting down a hill and I take foot off of all foot pedal with shifter in D, am I regenerating with mg1 or mg2 or both? Q#2: in the situation above, if I also apply the foot brake pedal lightly, will I be activating another generator or applying brake pads to rotors? Q#3 if applying brake pedal lightly does in fact initiate additional regeration, does the pressure of my brake pedal correspond to the aggressiveness of regeneration?

[@JoeyLindsay]

1 both 2 you’ll tell the inverter to send more energy into the battery so the regen effect is more noticeable. 3 yes

[@johnmwangi6291]

Just brilliant... Transistors change the world., thanks

[@jeffjiang5272]

Great work, one thing I want to point out is that in your demo of MG1 and MG2 it seems like there need to be another MG1 at the other side of MG2 in order to power both front wheels, but in reality that is not the case

[@speedkar99]

Not really

[@DamienAlexander]

I have been driving my Prius for over 300000 kilometres is there any recommendation for maintenance? It seems fine, I just had to replace the water pump.

[@speedkar99]

Just keep all the fluids fresh and you should be good

[@vivianorios2637]

Do the oil transmition

[@sunquake]

Hi, what's better Prius or Honda with e-cvt ?

[@rkgsd]

Brilliant Toyota mechanical engineering.

[@speedkar99]

Indeed, thinking that they came up with this 20+ years ago

[@WilliamK-e1j]

Excellent explanation that I was looking for it long time ago ..

[@lupegalvan9993]

Are these generally good transmissions? I have heard that regular CVTs have problems but I haven't heard much about eCVT transmission problems.

[@speedkar99]

Yes they're very reliable. This car had almost 500,000 km on it.

[@ciello___8307]

toyota's ecvt is physically very different from regular cvt's. Honestly they should have a different name for it.

[@JoeyLindsay]

Toyotas non hybrid CVTs aren’t too bad so long as you change the transmission fluid…

[@geoffsimns8424]

Informative and hilarious, the ultimate teacher...

[@louislopez55]

I’m getting a new Camry Hybrid SE this week or next. It will have paddle shifters. What do they do on a hybrid? (Or how do they work)

[@mateojames3231]

Maybe changes Break Option if you want regen breaking or regular? I remember a few youtubers driving electrics with paddle shifters and they use them for those options.

[@speedkar99]

See the graphs ? It'll have predefined settings for the motor speeds with the paddle shifters instead of being infinitely variable

[@clevernduruza8624]

They might set different motor speeds which will result in different gear ratios.

[@safialmamun9426]

I would bring the whole wardrobe 😂 3:10

[@speedkar99]

Agreed

[@harichandrasekaran723]

This reminds me of the gearing of watches and clocks. There one driver drives 3 different hands. Here 3 drivers drive 1 set of wheels.

[@arbenkellici3808]

You are really a genious proffesor expect for the way of speaking Please slow down a bit!