I wouldn't do a flush on a Hyundai automatic.. two of mine were never the same... just a drain and fill. Book says you "never" have to unless you fall into the severe category. I'm gonna do mine at 60k. Even if I don't drive like a crazy person anymore.

But.. I sure as hell wouldn't let a shop do it unless I was 100% sure they are using Hyundai spec fluid and not some universal crap. That will kill the trans for sure.

 

Yeah I will definitely just purchase the fluid I need from the dealership. I am not even sure the difference between a flush and an oil change. As far as I am concerned, transmission fluid changes are in the 150k km (100k mi) range on a lot of cars.

 

I agree, no flush, do a drop and fill, if possible at least 3X. I did a 3x drop and fill on my 2014 Ford Escape at 70K miles, drove it ~5 miles between each drop and fill. Each drop was ~4 qts. The Ford's transmission holds 9.0 qts. Here's some info from the full 2024 Tucson manual for you couch potatoes.
Under normal driving condition the manual states you can go 104K miles with no trans service. Beyond that??

Severe driving conditions, probably most of us, replace trans fluid every 60K miles.

The trans volume is 6.87 qts.

Back when I was on the Ford Escape forum a forum member posted an Excel partial drain helper calculator that he obtained from the Bob is the Oil Guy forum. Until I do a drop and fill on my Tucson at 60K I don't know how much the drop is. If a forum member here knows the amount please post it. I tried attaching the excel file but the forum will not allow the extension.
I plugged in 6.87 qts as the volume of old, and until I know how much the drop is on a Tucson trans left in 4 qts as new required. Accuracy of this calculator??

 

Severe driving conditions, probably most of us, replace trans fluid every 60K miles.
View attachment 4419

See, and that's weird:

My usage is definitely normal, as I never drive it less than 35km (20mi) at a time, and short hauls are done when it is at temp. Don't get me wrong, I am sure it is good practice, just interesting to see the US manual is so different from the Canadian one.

 

You can get at that .xlsx through this link. It appears required to sign up to 'Dropbox' though:

https://bobistheoilguy.com/forums/threads/partial-drain-calculator-spreadsheet.215134/

And for the OP, I'm with ya. The only thing I'll go to a dealer for is a recall. Maybe a TSB I come across, but only if requiring their diagnostic machine thing.

 

Thanks for the link. It's going to be a few years until I reach 60K miles on my Tucson. Maybe by then someone will come out with a how to video on replacing the trans fluid on my Tucson.

 

Ha! Nobody better be a'countin' on me for that vid. With the wife's having amassed a flabbergasting (not even) 4,000 miles in the 16 months she's had hers, it should be no more than about 'Never' before she gets it to any 60k. But as things are trending, it'll be getting an oil change every 2,500 miles for the rest of its life.

 

I'm getting a bit OT here. The Tucson manual says to use SP-IV trans fluid. When I changed the trans fluid in my Ford Escape everyone on that forum was using Motorcraft Mercon LV. It's expensive though. I checked the specs of Valvoline's Multi-Vehicle Full Synthetic AT trans fluid and they were almost identical to Mercon's, and at the time it was $17.50 gal., now $21.92. I used the Valvoline fluid in my Escape, ~30K miles later no problems, trans ran fine.
According to their Product Info Sheet it's recommended for Hyundai/Kia ATs that use SP-IV trans fluid. Doing a little Googling, Hyundai SP-IV trans fluid is very pricey. If you used Valvoline ATF and your trans failed before 100K miles would Hyundai honor their 10 years/100,000 miles powertrain warranty? If the Valvoline ATF meets their SP-IV spec they should.
Food for thought, another FYI for you couchers.

 

I'm getting a bit OT here. The Tucson manual says to use SP-IV trans fluid. When I changed the trans fluid in my Ford Escape everyone on that forum was using Motorcraft Mercon LV. It's expensive though. I checked the specs of Valvoline's Multi-Vehicle Full Synthetic AT trans fluid and they were almost identical to Mercon's, and at the time it was $17.50 gal., now $21.92. I used the Valvoline fluid in my Escape, ~30K miles later no problems, trans ran fine.
According to their Product Info Sheet it's recommended for Hyundai/Kia ATs that use SP-IV trans fluid. Doing a little Googling, Hyundai SP-IV trans fluid is very pricey. If you used Valvoline ATF and your trans failed before 100K miles would Hyundai honor their 10 years/100,000 miles powertrain warranty?
Food for thought, another FYI for you couchers.

It always come down to this. Is what you used in the car equivalent to or exceed the Hyundai product or specs. If yes, they can not, in the end blame a failure on using that product. If Hyundai can show what you used is not "as good" - does not at least meet their specs they can disavow the warranty for that problem. And they have prevailed on that in the past.

 

I see it not as much "risk" as it is good 'ol fashion critical thinking to effectively "cut'em off at the pass" in anticipating and planning appropriately for every possible instance of "NO! or "Yabbut..." This is where the mountains may be invisible until being invented up by a dealer. Outside of receipts for everything, it's enough pics in chronological order to soundly silence even the daftest display of feigned ignorance and pretend confusion by anyone involved.

And my understanding is the flow chart dictates initiating the effort for any warranty service with the dealer first, then of course to be braced if their knee-jerk "NO!", and tthheennnn finally contact Hyundai directly to start a case no. They're the ones who'll be using more level heads to weigh what your actions and documentation indicate and support, then assess all that as whether or not to cover the repairs. Who knows, you might be giving them valuable intel for one of their TSBs we've seen where an all-new desgn flaw, tier supplier defect or assmblyline flub gets quietly caught and fixed before too much damage to too many owners, and sales.

 

I read real early on - on here that ALL cars in Canada are assigned the Severe Maint. Schedule. Well..........., just because. Made sense to me.

 

Thankfully it lives inside most of the winter, so it doesn't live in the cold very much. Gotta love heated shop and parkade.

 

You do not have to sign in to Dropbox to download the file. Partial Drain Helper
In Chrome if this screen comes up, click on Decline for cookies, then click on Skip.

Click on the download arrow in upper right corner and click on Or continue with download only.

Or you can download the zip file directly from the Ford Escape forum. https://www.fordescape.org/threads/transmission-fluid-change.109536/post-1102462

 

Done did downloaded - Thanks!

 

I have 32k on my 2022 Tucson limited and I am going to do 2 trans drain/refills 20 miles apart at 50k using amsoil SP-IV equivalent. I live in Florida heat and retired 25 yrs from the automotive service industry. Transmission oil that does not get changed at 50 k intervals gets significantly heat degraded and will excellerate transmission wear.

 

Has anyone does this tranny drain & fill yet? Looking to do it on mine but just wondering if there are instructions or a video on this for a 2022 Tuscon with the 2.5L engine and 8 speed auto. Really looking at how to get to the fill plug. is it under the air box? thank you

 

Far as we know on the forum here at the moment, you're the first to tackle it. Hyundai didn't make this easy as there's no "fill spout." Many manufacturers have gone to this SEALED FOR LIFE concept making it frustrating as *&@# to do this. so... at what mileage are ya planning on doing it? Maybe swing by yer dealer and ask the service dept?
Keep us posted?

 

I Googled this and could not find a trannny drain and fill procedure anywhere for the 2022 Tuscon ICE. If the 2022 has a drain plug, a fluid level plug, and a fill port (under the airbox??) then it can be done. Before you attempt to remove the air box I would ask your dealer's service department if the tranny fill port is below the air box, or possibly below the battery.
This is my 2024, I'm assuming yours is the same. From what I can see there are 2 bolts, 1 on the front right, and another on the rear left, plus the hose clamp, holding the air box on. There may also be tabs under it??

I also found this video. It's not a Tucson, it's a 2022 Sante Fe, but may be helpful.

If there is a fill port plug under the air box I would remove that plug first, then the bottom shield to access the drain plug. Remove the drain plug and measure exactly how much fluid comes out. Install the drain plug and pour in the same amount of new trans fluid that came out into the fill port using a long neck funnel. If you are only going to do 1 drain and fill, replace the fill port plug, then drive the car for a few miles, and with the car level, and hot, open the fluid level plug. Make sure you have a drain pan under it. A small amount of fluid should trickle out. If not add more until it does. Install the fluid level plug. If you are going to do more then 1 drain and fill then wait until after the last fill to check the fluid level.
Since this is all new to me on this car you should first make sure that you know where the drain and fluid level plugs are before starting.

 

I found this link on the Hyundai Santa Cruz forum in the Service Manual thread. McDowell County Public Library - Chilton Auto Repair Click on ChiltonLibrary.com, type in or copy and paste the password nclive001. Repair info is available for the 2022 Hyundai Tucson, only Bulletins/Recalls for the 2023 and 2024. How to drain, fill, and check the ATF level: Click on Automatic Transaxle System, Automatic Transaxle System, Automatic Transaxle Fluid (ATF), and either Components and Components Location, or Repair Procedure. I next picked the G 2.5 GDI Theta III, Tucson(NX4). There's links in the procedure to remove the air cleaner, the engine room under cover (bottom engine shield), and torque specs. The ATF eyebolt/injection hole, a.k.a.,the fill port, is under the air cleaner.

 

I found this link on the Hyundai Santa Cruz forum in the Service Manual thread. McDowell County Public Library - Chilton Auto Repair Click on ChiltonLibrary.com, type in or copy and paste the password nclive001. Repair info is available for the 2022 Hyundai Tucson, only Bulletins/Recalls for the 2023 and 2024. How to drain and fill the tranny: Click on Automatic Transaxle System, Automatic Transaxle System, Automatic Transaxle Fluid (ATF), and either Components and Components Location, or Repair Procedure. I next picked the Tucson(NX4). There's links in the procedure to remove the air cleaner, the engine room under cover (bottom engine shield), and torque specs. The ATF eyebolt/injection hole, a.k.a.,the fill port, is under the air cleaner.

wow...
thank you so much for this...

 

Looks like we're getting somewhere here...

 

"BobP, post: 37088, member: 7325"]
I found this link on the Hyundai Santa Cruz forum in the Service Manual thread.

From another Bob, thank you kindly there. In addition to help with the tx-axle there's a goldmine of intel under the 'Wiring Diagrams' Section.

I did not check the thread you refer to, but in poking around the -net found this article on accessing the Chilton's data through a local library. At least it worked me (free & no PW needed)

How To Access Chilton’s Car Repair Manuals for Free Through Your Library

Chilton no longer sells retail manuals, but the rest of the database can be found at your local library.

www.thedrive.com

3rd paragraph click the highlighted: Chilton’s got a tool that searches for local libraries (well, appears to be a live link)

and then click this box, and you're in!

I've Bookmarked that last link and get directly to the Chilton 'Find Your Vehicle' screen now.

 

Not in. It takes me to this screen:

I get this when clicking on Use your location. When I type in my county's library no go. I do not live in Knox county so I can not join their library. I also tried University/College and it came up with South College in Knoxville. Both require a login and pin. @Tucspouse So how are you getting in? Does your local library have access to the Chilton Library database?

 

I had a pretty lengthy reply worked up during Intermission at the darling little domestic terrorist g-daughter's First Recital (her K-12 dance lessons talent show) last night, but my dog phone ate it. So, glad you you've found the same style of (2,000+ character and at least the part first showing in the address bar for my link and your two are the same but that's where the similarity ends) links as I happened upon.

I am a member of my municipality's library, so that was sorta' eventually what I guessed might have resulted in my relatively simpler (fewer step) access as I had posted.

Get a load of the stuff available within the site, and to think I only have to wait ~8 more years til the stupt warranty is over and I can start doing repairs myself = labor estimates, WDes, pics, all FTW:

 

I am a member of my municipality's library, so that was sorta' eventually what I guessed might have resulted in my relatively simpler (fewer step) access as I had posted

Yeah, thought so. I'm a member of my county's public library but they do not have access to the Chilton Library.

 

I did a bit more Googling with Chilton Library in the search tab and came up with a bunch of libraries and universities with access to the Chilton Library. Most of them though require a library card number or pin to access it. I did find 2 libraries that do not require a login.
Link 1 Click on Access database
Link 2 Click on Chilton Library tab, library card not needed.

 

Hey everyone,
So I have a 22 Tuscon ice and completed the tranny drain & fill & transaxel & diff fluid changes this morning. I used the signature Amsoil SPiv (4 bottles) and 2 bags of the severe duty diff fluid. it's actually pretty easy and took less then 2 hrs to complete. You will need 4 washers from the dealer(2 are aluminum & 2 are copper) & a 15\16 socket or a 24mm. You will also need a 10m Allen. The tranny fill plug is right under the air box and I was surprised how easy that was to remove (I electrical connection, 3 hoses & clamp holding air box to throttle body.
I drained the tranny fluid into a bucket 5L measuring bucket. In my case 3.7L came out so I topped it up using a long funnel and put 4 litres in.
I would say this is easier than doing a brake job or front suspension.
enjoy

 

I plugged your drain amount into the Excel file. You did not mention in your post if you removed the level check plug? How many miles on your Tucson when you did this?

 

Hey,
my vehicle had 89000km on it and I didn't bother removing the check plug. The 4 bottles when I poured it into a new measuring bucket to compare to what I removed was the same so no need to check.
Cheers