2014-2019 Highlander Transmission Flush
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- Опубліковано 7 лют 2025
- Today we show you how to perform a transmission fluid flush on a 2016 Toyota Highlander with a U660E automatic transmission. This process can be done at home, but does require a few special tools to ensure the proper fluid level afterwards since these cars do not have dipsticks. This process is the same for 2014 Toyota Highlander, 2015 Toyota Highlander, 2016 Toyota Highlander, 2017 Toyota Highlander, 2018 Toyota Highlander, and 2019 Highlander, 2014 Lexus RX350, 2015 Lexus RX350, 2016 Lexus RX350, 2017 Lexus RX350, 2018 Lexus RX350, 2019 Lexus RX350. This process is very similar to most Toyota, Lexus, Scion models that use World Standard transmission fluid.
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I've been searching for a proper how-to-flush for this vehicle (wife's '18 Lexus) and finally found it! Thanks so much for this.
I use to work at a transmission shop and we had never checked the fluid temp lol. Amazing video though, thank you
Excellent video! Clear, easy to follow and super helpful. Local shop wanted $97 to do this!
You don’t need a pump to do this gravity feed the funnel/ tube from the engine compartment right down into the fill hole. I bought an extra fill bolt and cut a hole in it just for the tube. Works fantastic. Four of my vehicles and I’ve never needed to buy one of those pumps - gravity does the work all the time much better
As always..great video..thanks for the details and your
”Insight” is always appreciated!
Kudos for using the correct fluid. You didn't change the drain plug washer/gasket, hopefully it will not leak, otherwise the transmission can be ruined.
Get serious. I’ve removed mine like eight times and not changed it. If you can’t identify a leak before it ruins your transmission you shouldn’t be doing this procedure.
Exceptional video. Thanks.
Where are you located
I've watched several videos & you definitely know what your doing.
Plus you take time to do it right & clean up when finished. A sign of an excellent mechanic.
Thank you so much! We’re in South Carolina.
Where in SC?
What is the name of your shop to bring my car? Thank you
Very informative. Thanks
Todo se ve bien, pero me parece extraño que el filtro de la transmisión no se reemplazó.
Good stuff
There’s actually a strange process to use the vehicle’s own system to put it in maintenance mode which will tell you when the vehicle’s transmission is at the right temp. You also can use that bottom drain hole to drain the ATF but the way you did it probably gets out pretty much all the old fluid better. Yes “ lifetime transmission fluid means about 70,000 - 100,000 miles but I would suggest 70,000. At a point after 100,000 the transmissions clutches etc may need that old original fluid to work properly and a late flush may result in transmission issues. Opening up that area inside the wheel well is brilliant as I’ve seen Highlander videos where they did all that from under the vehicle and had difficult access to the fill hole. My local Toyota dealership told me that my transfer case and rear differential didn’t need the fluids changed “ according to Toyota”. These aren’t 4x4s but I believe the transfer case and rear diff fluids should be changed out every 50,000-70,000 miles as well. The rear diff fluid especially will show fine metal??? powdery stuff by those mileages and whether that’s a concern or not I’m not sure. The rear differential fluid is pretty easy to change yourself just use the right fluid. Same fluid goes into the transfer case which is a little harder to change. In all cases, ( transmission, diff and transfer case ) make should the filler hole plug will loosen up before draining the fluids. Great video and some good tips.
Any idea what the procedure is to get the trans temp?
Do you need to change the transmission filter?
Is this the same for a 2020?? Temperature the same range???
How much is a cost for transmission flush?
I just stick with the good ole drain and refill. Normally it’s around 3 quarts. I do this every 50k miles and I’m good to go. Much easier and I don’t think a full flush is necessary.
I tend to agree I’ve done this about four times on my 16 Highlander and it has 110,000 miles on it. It’s very easy to do the drain and fill.
can you just drain out some fluid from the hose(s) without overfilling the transmission initially? or will it go dry and hurt the transmission?
I'm curious as to why it will start sputtering air from the lines even if it has more than enough fluid.
You pump in the 8 qts, then run it out so that it’s empty when it’s spurting air. Then hook your lines back up and add the remaining 4 qts.
@@automotiveinsightThanks for this video. My wife has a 2019 Highlander AWD and I'm going to be servicing it soon. Your comment above has me concerned. You say "pump in 8 qts then run it out so that its empty when its spurting air, then hook lines back up and add the 4 remaining qts. If its empty when spurting air, then you add the final 4 qts, you are 4 qts low because the system holds 8 qts total. Please clarify and thanks again.
@@ReconRokonwhen it runs out and “spurts” that just means the pan is empty. There is still fluid in the converter. You’ll find it’s only about 3 quarts low, I just put in the remaining 4 because it’s easier to remove it than add it.
@@ReconRokon- if I were you, I wouldn’t do it this way. Be safe drain 2 quarts by his method turn off the car put 2 quarts in turn on the car drain 2 quarts. Turn off. Continue this until it’s clean. that way you don’t ever overfill or run it till it’s sputters
Have you heard of the 2017-2019 Highlanders (gas models) having transmission issues? I've been having issues with my 2018 since buying and there's tons of people talking about similar problems. Some are saying it's the UA80 trans 8 speed. And something about a bad gear possibly. Even saying the 19-21 are failing. Thoughts?
If memory serves, I think sienna was the first car to get the 8 speed. I have replaced a few under warranty on the early production ones of those, but honestly that’s been like 5+ years ago. I haven’t seen much of anything since.
Ok 👍 thanks for your reply.
With all due respect, you left 2 quarts that are dirty in the pan that could’ve been easily drained before doing this procedure. Why would you wanna leave 2 quarts of dirty fluid and then fill it with 4 quarts of new fluid? I would never overfill my fluid by 4 quarts. Other than not draining the pan initially what you did was a good process. I would’ve turn the car on drain 2 quarts. Turn the car off. Fill with 2 quarts and repeat until the fluid looks good. I have no idea what overfilling by 4 quarts does but I wouldn’t want to risk it furthermore, you should choose the return path into the transmission so it does matter which tube you choose. That’s the last part of the line before your new fluid is introduced so it makes sense to use that line. Other than that great procedure. I have that identical car.
Everything in the pan was pumped out. Unless you break the level tube, then pan does not drain. You break the level tube and you need to pull the pan and replace it.
@ I have no idea what you mean by breaking the level tube. I’ve taken level tube/straw out 10 times. There’s no way that things gonna break unless you have no idea what you’re doing. You have to take that tube out to get the bulk of the fluid in the pan out anyway
@@suunto61 - everything in the pan was not pumped out. He clearly said he didn’t empty the pan. Furthermore, you can’t pump it out it’s not accessible.
So you decided not to clean magnets on the bottom of the pan ???
It’s called a flush. You know nothing about Toyotas. They don’t have magnets in there transmissions. 😂🤡 in fact they have screens instead of filters.
Oh really I flushed them fof15 years, sure there are magnets on the bottom pan . You have no idea about transmissions@@BigDipper79
Hope that guys was actually joking about no magnets because I dropped my pan and they were there!
Question: does that Highlander have a dip stick? I have seen one UA-camr pouring the transmission fluid on a 2013 Highlander from the top via dipstick opening.
Not in this year range with this transmission. Some of the older ones do and some of the 4 cylinder ones do.
Can i do this for highlander 2.7 fwd.? Can i use a temp scan to measure the temp??
As long as it’s after 2004 then yes. As far as the temp scan, it will probably get you close, but the temperature inside is hotter than outside so you’ll have to contend with that.
@@automotiveinsight mine is 2016 2.7L. Is there any other tool to measure the temp? Aside from the scan tool you were holding..
Bro I've been trying to find the same thing for a 2.7 as well please hit me back when you find out.
6mm hex to removed the drain plug..then same 6mm hex put back into drain plug hole and removed the tube..its a green colour..when everythings drained..put back tube..you dont need to over tightened it or it breaks..put back plug..then fill the amount that came out of pan plus add half a litre from sides fill plug..its better to overfill cos you can adjust it after by removing drain plug..depend what method you use to check the fluid level..after that..remove drain plug to get rid of excess oil..when its start to drip..put back drain plug then good to go..cheers
No filter replacement necessary?
They don’t have filters. They have screens.
Does this look like a metal screen? imagizer.imageshack.com/img923/7581/ukG4tB.jpg
The WS ones have a pleated filter. I changed mine for sure and cleaned the pan. (14 Sienna)
Automatic transmission fluid is not hydroscopic. In fact it’s designed to resist moisture absorption. And contrast to brake fluid, which is hydroscopic. Just correcting a misstatement.
www.clublexus.com/forums/attachments/gx-first-generation/257983d1347219019-transmission-drain-plug-l-sb-0001-11.pdf it absorbs moisture from the air. It’s in this tsb.
My transmission is humming and I changed the filter and fluid and still humming. 2008 highlander. What can it be or how to get rid of humming? Thank you Sir!
Need new transmission/reman . Internal bearing/ gears worn
Do you have a video on a 2019 Hybrid Avalon transmission service?
cut your intro out. check your metrics and see why. Thank you for posting. I'll be filming also.
Is there value in dropping the pan and replacing that filter?
Toyota told me there is no filter just a metal screen they said don't bother
@@shorelinearmorllc477 I just did a fluid change on a 2016 Toyota Highlander 3.5. L 2WD and can promise you there is a black plastic transmission filter on the bottom of the transmission. Why you wouldn’t change the filter out is beyond me. There are 2 bolts that are a bit of a pain to get out. Actually better to drop the pan and filter, you get out a little over 3.5 quarts of fluid.
@polarbear2469 I guess ask the dealer that's what they said it's a metal screen I have a 2017
@@shorelinearmorllc477 The 2017 might have a metal screen, but I know for a fact the 2016 has a transmission filter. You have to go to Toyota to get it, hard to find aftermarket replacements.
, I checked I don't know how many sites for my 2018 Highlander and I couldn't find a filter. When I pick up a part tomorrow I'll have to ask the dealer if it has one. If it does, it will get changed.