2021-2024 Toyota Sienna Hybrid eCVT Transmission Fluid Replacement Instructions

Master Technician Viktor G shows the DIY how-to hybrid transmission fluid change procedure for the Front Wheel Drive FWD and All Wheel Drive AWD Sienna HV models.
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Automotive rags to clean up the oil residue: amzn.to/3H1Pzqv
Thank you very much, I really appreciate it!

[@kenty6973]

Thank you, Viktor, for telling me the torque value of all, especially the drain/fill port. Appreciate it!

[@Viktor_G_Automotive]

Absolutely!

[@kenty6973]

Can I use the same drain/fill torque value (37 ft-lbs) for my 2020 Rav4-non Hybrid? Thanks in advance.@@Viktor_G_Automotive

[@Viktor_G_Automotive]

@@kenty6973 the non-hybrid transmission fluid is replaced in a different way and torque specs will most likely be different. What engine is in your RAV? I could probably look the specs up for you when I get a chance.

[@kenty6973]

Hi Viktor, thanks for your prompt reply. My 2020 Rav4 LE is non-Hybrid. It has an A25A-FKS engine with 8 speed (UB80E) transmission. Thank you!@@Viktor_G_Automotive

[@seanjackson6305]

Thank you for the informative and detailed video. Our 21 Sienna is only at 30k miles but i’m sure i’ll be back here to this video in a few years when it’s time to change the eCVT fluid.

[@Viktor_G_Automotive]

Sounds great!

[@stephenzies8867]

Awesome Job ! Viktor G. 👍

[@Viktor_G_Automotive]

Thanks 😊

[@thuongthanh2]

Thank you Viktor. You’re the man!!

[@Viktor_G_Automotive]

Thanks 😊

[@ivanariasariasenrique5060]

You are the best viktor 💪💪💪

[@Viktor_G_Automotive]

Thank you!

[@williamjohnson6770]

Thanks a bunch.... Very helpful ....

[@Viktor_G_Automotive]

Glad to hear!

[@fastscion13]

Thanks for the help

[@Viktor_G_Automotive]

Any time!

[@paulkuzia9236]

Just subscribed. Now I hope to be able to buy one someday soon.

[@Viktor_G_Automotive]

Excellent!

[@dougie0781]

Great video!!

[@Viktor_G_Automotive]

Thank you!

[@jasonusa]

It is so much easier than the gas model. don't have to remove the wheel anymore.

[@Viktor_G_Automotive]

Yep, it’s a pretty straightforward job.

[@letsroll4119]

Thank you for your video 🙏 I'm trying to change transmission fluid of 2021 Siena hybrid.

[@Viktor_G_Automotive]

You are welcome!

[@henryzzzzzz]

Thank you! I am about to work on my 2020 Hybrid Highlander and can't find any video. This is the closest I can find and it indeed helped! Can't wait to see some hybrid Highlander instructions regarding differential/transmission/invertor/engine coolant, etc. Again, thank you Viktor!

[@Viktor_G_Automotive]

For sure Henry, I’ll make some videos if I ever get my hands on that model.

[@timelineg1]

Thanks you sir

[@Viktor_G_Automotive]

No problem 👍

[@rubielcasrrtrillon7962]

Mil gracias

[@Viktor_G_Automotive]

No problem!

[@robertgift]

Thank you, Viktor. Transmission shop wants *$399* for thiservice. Think I'll cut a service pit into our garage cement floor.

[@Viktor_G_Automotive]

Either that or get a lift like I did 😀

[@robertgift]

@@Viktor_G_Automotive Thank you. Would be nice! This is a house two-car garage with typical cement floor. The SUV is a used 2023 RX350h emergencyehicle driven by volunteers on call 24/7 . It transports blood and blood platelets to hospitals. Already has 67k on it.

[@ChargedUp]

@@robertgift Check out the Quick Jack systems, if you are capable of doing your own maintenance, they quickly pay for themselves, especially if you have multiple vehicles that are old enough to start needing things like brakes, transmission fluid changes, coolant flushes, etc.

[@andrewcatimbang1509]

Thank you Viktor. Will be doing this soon. By the way, please make a video for bleeding brake fluid for toyota sienna. That would really help a lot.

[@Viktor_G_Automotive]

Will do if I get a chance.

[@Truthhurtsbad]

Bravo, open the fill port ahead to test the task is do-able or not. Solid experience!

[@Viktor_G_Automotive]

Thanks 🙏

[@johnko7516]

Same for highlander Hybrid 2021. Thanks

[@Viktor_G_Automotive]

Very similar, yes.

[@thuongthanh2]

Thank you Victor. I have a 2019 Rav4 hybrid. Is the transmission fluid replacement the same as this van? Or if you could do a video of this vehicle, would be great. Thank you again.

[@Viktor_G_Automotive]

The Rav4 uses a slightly different transmission (P710 vs Sienna's P810), but the fluid replacement is done pretty much the same way. If I ever get my hands on a RAV4 HV, I will make a video, but not sure if or when that will happen.

[@dan78429]

Thanks for uploading Victor! Do you also have the part number for the gasket?

[@Viktor_G_Automotive]

No problem! All the links for everything you may need to do the job are listed below the video. Here is the one for gaskets: amzn.to/3ZtaLOO

[@TherealDjTired]

Nice video Viktor! A question: Does anyone know where to get e-Transaxle TE fluid for the latest PB10 transmission? Thank you!

[@Viktor_G_Automotive]

@@TherealDjTired that’s the fluid my Prius Prime uses. I haven’t looked into buying TE fluid yet, but I would assume the dealership parts department can source it.

[@vantran-ev8nd]

Thanks for the video, is there a plastic tube behind the drain bolt like other Toyota transmission the I saw in other KZbin ?

[@Viktor_G_Automotive]

Not on this type of transmission.

[@hayer444]

Big fan of you Victor. Is this is same transmission as 2015 Hybrid Highlander?

[@Viktor_G_Automotive]

Thanks! It is not exactly the same transmission. The one on the RX450h would be the same that is in your Highlander: kzbin.info/www/bejne/rZWvoaiKacineZI&t

[@kamalnaimzade545]

Thank yo for detailed video! SO this one does not have filter to replace or flush? And maybe I lost, what is the interval for changing transmission fluid?

[@kamalnaimzade545]

thank you found later in answers, nofilter and every 60k

[@Viktor_G_Automotive]

@@kamalnaimzade545 you got it!

[@vantran-ev8nd]

I have a Lexus ES300H, are the locations of the drain and fill holes the same?. they look very similar to me.Thanks for the video.

[@Viktor_G_Automotive]

Here is my ES300h video. Cheers! kzbin.info/www/bejne/fpTIpI18pb2EgtUsi=-jsEL_-hv0HQVI-R

[@thienpham1059]

Thanks Viktor! Is there a dip stick inside the engine compartment to check the fluid level? Thanks!

[@Viktor_G_Automotive]

No problem! These transmissions do not have a dipstick.

[@rubielcasrrtrillon7962]

Amigo video de cómo sacar la batería ivrida de la siena 2021

[@Viktor_G_Automotive]

Do you mean bateria hibrida?

[@skirmantasb8314]

hi, how about 2024 Toyota prius prime ECVT?

[@Viktor_G_Automotive]

I can make a video, but I don’t have a Prius to work on.

[@claudiozanetti2086]

Thank you, Viktor, please can u share the transaxle code of the Sienna? it shoukd be the P711....

[@Viktor_G_Automotive]

Hi Claudio, it is P810

[@claudiozanetti2086]

@@Viktor_G_Automotive many thx Viktor.. less power but pretty the same design of P711 so I suppose the oil change procedure are the same ,correct ?

[@Viktor_G_Automotive]

@@claudiozanetti2086 yes, all P-type eCVT transmissions are serviced pretty much the same way.

[@Coffeeinthusiast1]

Thanks for the video sir, wanted to check at what interval do you recommend these drains and fills be done? We have Highlander with 52k miles, would it be about time to get it done now? Thanks again!

[@Viktor_G_Automotive]

On my personal vehicles I do it every 60K miles.

[@Coffeeinthusiast1]

Sounds good, thank you!

[@miguelbaeza65]

Can you do a coolant change including the interver ?

[@Viktor_G_Automotive]

Will do, thanks for the suggestions!

[@miguelbaeza65]

@@Viktor_G_Automotive appreciate it Viktor. I'm currently looking for a Toyota/Lexus vehicle that has the new 2.5 hybrid engine and I want to get the most information I can get for diy maintenance

[@DavidRoss-zc2ks]

Hello So the Sienna has a CVT transmission. Shouldn’t you be using CVT transmission fluid?

[@Viktor_G_Automotive]

It is a hybrid eCVT transmission, which uses WS fluid. Toyota CVT fluid is used in non-hybrid models equipped with a conventional type belt driven CVT such as Toyota Corolla and Lexus UX200.

[@PeterA-sv9rv]

Hi Victor, would you know why 3 quarts was poured out and I had to put 3.8 quarts in after the refill before it started to pour out, vehicle transmission was never serviced before. It only had 40,000 miles. Could it be that it was originally low? Or is that a normal thing for it to have more fluid go in?

[@Viktor_G_Automotive]

Hi Peter, sometimes they can be a little bit low from factory. I wouldn’t worry about it.

[@jimn.9990]

Viktor: I note that you bought 4 quarts of Lexus WS ATF to accomplish your fluid replacement in your Toyota eCVT. Exxon Mobil makes the Toyota WS ATF and I assume the Lexus WS ATF is exactly the same? The following will help establish that Amsoil "100 Synthetic" Signature Series Fuel Efficient ATF Fluid is vastly superior to the Toyota "Full Synthetic" WS ATF Fluid. You can compare the Safety Data Sheets between Amsoil and Toyota fluids and you will find the Toyota WS ATF (and true of the vast number of full synthetics) is mostly composed of hydrocracked-petroleum oil, a Class III Synthetic (extra-refined petroleum to mostly eliminate impurities, but it doesn’t get totally get rid of then entirely). Amsoil Signature Series doesn’t contain a drop of petroleum oil, but a pure chemical mixture of Class IV Synthetic, known as polyalphaolefins (PAOs) and Class V Synthetic (such as Esters), plus top-shelf additives. Toyota lists the Flash Point of their WS ATF Fluid as 347° F (175° C), whereas Amsoil's Flash Point is listed as 435.2 F (224° C), so Amsoil holds up to the heat far better than the Toyota WS ATF. Another convenience factor of the Amsoil "100 Synthetic" Signature Series Fuel Efficient ATF Fluid is thay it is available in collapsible bags making installation a snap (without the need for a pump that only provides a slow fill operation)! The difference between a Full Synthetic and a 100% Synthetic? Rafe Britton, a former Lubrication Engineer at Mobil and the creator of a number of highly educational KZbin Videos under the heading of “Lubrication Explained,” states in order for an oil company to call its oil product 100% synthetic, it must be composed of either a Class IV Synthetic (PAOs) AND/OR Class V Synthetic (such as Esters), while being completely devoid of refined petroleum. Since 2004 I have exclusively been using 100% synthetic oils, fluids and gear oils made by Amsoil. In my 2013 Subaru Tribeca I use 5W-30, which has a Pour Point (PP) of -58 F and my Toyota Camry Hybrid uses 0W-20, which has a PP of -63 F. I have never experienced any problems starting my vehicles any longer using 100% synthetic products . I also changed the 100% Synthetic ATF in both my vehicles at about 40,000 miles (the Multi-Vehicle ATF in my Tribeca’s transmission and power steering reservoir has a PP of -63 F, while the Fuel-Efficient ATF in my Camry Hybrid (with a similar eCVT as your Toyota) has a PP of -85 F. The moment I drove the Camry after the installation of the Amsoil ATF (without any other services being performed on my vehicle), I not only detected the vehicle was running a bit smoother, but also experienced increased power upon acceleration. More importantly, my EV light was coming on more often and staying lit longer (which of course signifies my car is running electrically from the battery, while the gas engine isn't operating) Also around 40,000 miles, I changed the gear oil in both differentials in the Tribeca with Amsoil 100% synthetic 75W-90 Gear Oil (that has a PP of -45 F), which ran much better at any time than the original full synthetic gear oil from the Subaru Factory. I also changed the Coolant and brake fluid in both vehicles to Amsoil. Another benefit of using Amsoil (other than the great performance), my vehicles are covered by the widest warranty in the business regardless of the age and mileage of your vehicle, even if this was the first time trying Amsoil (as long as your vehicle was in good mechanical condition at the time you first started using Amsoil). For those of you seeking a less expensive ATF, you might consider Amsoil "100 Synthetic" OE Fuel Efficient ATF Fluid, which isn't available in the easy-to-pour pack (only the conventional quart or gallon plastic containers). The OE ATF has the same Flash Point 435.2 °F (224° C) as the Signature Series, but a higher Pour Point at -54°F (-48° C) compared to the Signature Series (at -85 F). The lower a Pour Point, the better for running your vehicle in cold temperatures. The OE must be changed according to the manufacturer's specifications for your specific vehicle, however, the Signature Series will go double the distance (than the OE) under severe-driving conditions. For those of you that have a vehicle that doesn't accept a Fuel-Effecient ATF, you may consider the Amsoil 100% Synthetic Multi-Vehicle ATF (in both the Signature Series and the OE). They also carry 100% Synthetic in both their CVT fluid and Dual-Clutch Transmisson Fluid. I had tried a variety of full synthetics over the years. I began to utilize Mobil 1 for several years thereafter, until I found Amsoil being sold by an auto parts store that is no longer in operation. After I personally emptied the Mobil 1 and I put it in the Amsoil in my car about 20 years ago, I was blown away with the increased performance, better fuel efficiency and the overall quietness of my engine. For full disclosure (as probably guessed right now), I am an Independent Amsoil Dealer (all dealers of Amsoil are independent contractors, as opposed to employees of Amsoil). . If consumers wish to buy the Amsoil products as a Preferred Customer (PC), they will get the oil at a 25% discount, plus free shipping when they spend $100 (plus receiving a $5 coupon for every $100 you spend). It only costs $10 for a 6 month PC membership (or $20 a year) and there is no requirement to purchase (as there is with so many companies offering a membership for a preferred customer program, where there is an automatic shipment involved). If you are tempted to try Amsoil, I invite you to visit the official website of Amsoil and apply to become my Preferred Customer, by kindly utilizing my name (James Norris) in the box underneath the question that asks “Did someone refer you to Amsoil? If so, please tell us.” Then in the next box they ask “Have a Referral Number? Enter it below:” I kindly ask that you include my Referral Number of 1420935 in that box. If you can write down my name and referral number, before you eventually decide to exit this webpage, it will be appreciated (so that it will be at your fingertips when you get on the Amsoil website). You can also write me an email addressed to AutomotiveBuff at my gmail address (in case you have any questions).

[@Viktor_G_Automotive]

Lots of good information, I will look it over and keep your contact in case I decide to go ahead with it. Thanks 🙏

[@jimn.9990]

@@Viktor_G_Automotive Viktor: Thank you very much for expressing your compliments concerning my comments I made last night. I wish to also thank you for considering to possibly purchase the Amsoil Fuel-Efficient ATF (when you eventually need some ATF). I subscribed to your YT channel. If you own an automotive repair shop or operate such an establishment out of your home, you could qualify as a Retail Account of Amsoil. If so, you would be entitled to a 30% discount (without any membership fee being charged), along with free.shipping for any orders exceeding $400. While it is true that Preferred Customers (PCs) get free shipping for orders exceeding $100, but PCs pay a yearly 20% fee and their discount is confined to 25%. Fun Facts: Amsoil was the first company to sell a synthetic motor oil (it also happened to be 100% synthetic), which was certified by the American Petroleum Institute in 1972 (2 years before Mobil 1 was brought to market). They were also .the first company producing a synthetic ATF; a synthetic oil for turbocharged engines; a synthetic diesel oil; a synthetic gear lube; a synthetic racing oil; a synthetic for marine engines.

[@user-kn5jp1ov5m]

hello how many liter transmition fluid nessesary?

[@Viktor_G_Automotive]

It is discussed in the video - 4 quarts.

[@tenisboyz6537]

Can you fill it from under the hood.? Is this a Ecvt transmission or just regular automatic transmission?

[@Viktor_G_Automotive]

It’s an ECVT, I suppose you could fill it from under the hood if you open the fill plug from underneath and run a hose with a funnel into the engine bay.

[@shikshamittal5322]

does a camry hybrid 2015 have a transfer case or differential fluid in the rear? Not sure if it applies only to 4 wheel drives? Mine is a 2 wheel drive. I wanted to change the transmission fluid on it and wanted to know if differential is also needed to be changed. Wanted to know the quantity of the fluid as well

[@Viktor_G_Automotive]

The Camry does not have a transfer case or rear differential.

[@shikshamittal5322]

@@Viktor_G_Automotive Thank you for your reply

[@Viktor_G_Automotive]

@@shikshamittal5322 no problem

[@TiempoTech]

Like 👍

[@Viktor_G_Automotive]

Thanks 😊

[@michaellam3036]

Viktor I have 23 sienna hybrid im a Uber driver I put in around 60k in 1year when should I change transmission fluid ? I change my engine oil every 7k miles

[@Viktor_G_Automotive]

I’ll be changing mine every 60K miles as preventative maintenance.

[@robertgift]

Dear Viktor, Our 2023 RX350h emergencyehicle has 75,000 miles. Should the rear differential oil be drained and refilled? Thank you.

[@Viktor_G_Automotive]

Hi Robert, if that was my vehicle, I’d do it every 60K miles.

[@robertgift]

@@Viktor_G_Automotive Thank you. Can I do it myself?

[@Viktor_G_Automotive]

@@robertgift of course. See my Sienna hybrid rear differential fluid replacement video, it is very similar to the RX350h.

[@Hawaitrentungcayso]

How many miles we need change transmission fluid replacement?

[@Viktor_G_Automotive]

I recommend doing it every 60K miles

[@elvinbrujan2456]

Excuse the question because if it is a CVT the transmission has that oil

[@Viktor_G_Automotive]

It’s not a conventional belt CVT, it is an eCVT with a planetary gear set. Uses WS fluid.

[@dealstobid]

How many quarts do you need? Thanks

[@Viktor_G_Automotive]

4

[@bernardohernandez6734]

Is there a filter that can be changed?

[@Viktor_G_Automotive]

Nope

[@vuongquyen115]

hi how many miles need to change it?

[@Viktor_G_Automotive]

Hi, it is discussed in the video. On my personal vehicle I will be replacing the transmission fluid every 60K miles.

[@sam8379]

Is this the same for CVT Transmission?

[@Viktor_G_Automotive]

This is the eCVT that every new Sienna comes equipped with.

[@sam8379]

Thank you @@Viktor_G_Automotive

[@ricardofalcon2917]

That transmission use a filter?

[@Viktor_G_Automotive]

No filter.

[@joshuasilalahi5680]

Hi Victor The dealership recommended me the toyota cvt oil not ws , is it ok?

[@Viktor_G_Automotive]

I don’t know why they would do that, the correct oil is type WS. Have them check the factory repair manual 😉

[@joshuasilalahi5680]

They said 2021 sienna hybrid 2.5 Fwd , used toyota cvt fluid fe not ws , btw thanks for your reply 👍

[@Viktor_G_Automotive]

@@joshuasilalahi5680 are you located in North America?

[@joshuasilalahi5680]

Yes , midwest , I think the dealership just trying to sell me that cvt oil , I used WS for all my yota’s for the longest time , this was the first hybrid I own…those cvt oil ain’t cheap also😂

[@Viktor_G_Automotive]

@@joshuasilalahi5680 Here is the first line from the repair manual regarding the Sienna transmission fluid replacement. You may want to consider a different dealership :) NOTICE: For the hybrid transaxle fluid, use Toyota Genuine ATF WS. Using hybrid transaxle fluid other than the above type may cause abnormal noise or vibration, or ultimately damage the transaxle of the vehicle.