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Trans fluid change at 30K?? #5114552 05/24/19 11:36 AM
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flinter Offline OP
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Joined: Jan 2003
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Hi,

I am approaching 30K on my 2017 Hyundai Elantra Value Edition and was wondering if its wise to replace ATF fluid when I do my 30K maintenance?

Thank you
Michael in NJ


2017 Hyundai Elantra SE Value Edition
Purchased new with 10 miles
Re: Trans fluid change at 30K?? [Re: flinter] #5114554 05/24/19 11:37 AM
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nicholas Offline
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Yup - - - I would.
The hyundai fluid is nothing special.


2019 2.0T Santa Fe
2010 3.5 Santa Fe
Re: Trans fluid change at 30K?? [Re: flinter] #5114558 05/24/19 11:44 AM
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mclasser Offline
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I also have an Elantra. Since this tranny doesn't have a dipstick, the D&F process is a little annoying. The 6-speed A/T's seem to be pretty reliable and SP-IV M is a full syn ATF. The manual says 60k mile intervals for severe driving; I might change mine around 40-50k. Check out the Elantra forums, as there are some running threads about this.


2018 Hyundai Elantra VE
2013 Honda Pilot EX-L 4WD
2002 Honda Accord EX-L

Re: Trans fluid change at 30K?? [Re: flinter] #5114574 05/24/19 11:57 AM
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dubber09 Offline
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Do at least D/F to remove some fine metal shavings along with drained ATF.

I chose to do a complete ATF replacement which I did myself on both cars and did it early for that very purpose - to remove all abrasive material (and all old ATF). Forte was done at 30K mi and Sportage at 20K mi, doing D/F every 30K mi from there on.


Kia Sportage 2014 GDI 2.4L
Kia Forte 2014 MPI 1.8L
Re: Trans fluid change at 30K?? [Re: flinter] #5114581 05/24/19 12:03 PM
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BMWTurboDzl Offline
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Wait until 60k miles. Any grime is going to get captured by the filter. After all that's why the unit has a filter. Seriously, contrary to popular belief manufacturing has advanced since the 1980's.

Last edited by BMWTurboDzl; 05/24/19 12:04 PM.

“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

435i
Re: Trans fluid change at 30K?? [Re: flinter] #5114582 05/24/19 12:07 PM
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1WildPig Offline
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Yep... did it on my GFs 2018 Elantra at 20,000 miles ... a drain and fill using 4 quarts of Valvoline Max Life ATF ... the fill cap is down under the air intake box and is sorta difficult to remove... as it has a bracket over the top of it... I trimmed a little of the plastic off the edge of the cap for easier access next time. I started at the same mileage on her previous Accent... and then every 20 to 30,000 thereafter. All transmissions should have a drain bolt AND a dip stick ! I just captured all that drained out in a pan and measured it in an empty 5 qt oil container and put the same amount back in ... Oh, go very slow in refilling... or it will burp and make a mess.

Re: Trans fluid change at 30K?? [Re: BMWTurboDzl] #5114587 05/24/19 12:12 PM
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WhizkidTN Offline
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Originally Posted by BMWTurboDzl
Wait until 60k miles. Any grime is going to get captured by the filter. After all that's why the unit has a filter. Seriously, contrary to popular belief manufacturing has advanced since the 1980's.


Not sure about the Elantra's transmission, but my Kia Optima has no filter. It does have a "rock catcher" screen which is not servicable. I put an inline Magnafine filter in the cooler lines with good results.

To the OP: I'd suggest a 30K D&F (which is the OEM method) be part of your maintenance plan. Simple, not very expensive and well worth it IMHO.


His: '12 Kia Optima SX - 2.0L GDI Twin-Scroll Turbo [Tuned] (86K)
>EDGE 0W-40, Fram XG9688
Her's: '14 Nissan Rogue SL AWD - 2.5L NA (97K)
>EDGE 0W-20, Fram XG6607/XG7317
Re: Trans fluid change at 30K?? [Re: flinter] #5114594 05/24/19 12:18 PM
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Posts: 25,017
StevieC Offline
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I would especially because there is no serviceable filter. I did that with my Santa Fe. I'd even think about putting an inline filter on, I used Magenfine on my Santa Fe.

Last edited by StevieC; 05/24/19 12:19 PM.

'18 Caravan - 45k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
Re: Trans fluid change at 30K?? [Re: 1WildPig] #5114607 05/24/19 12:27 PM
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JustN89 Offline
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Originally Posted by 1WildPig
Yep... did it on my GFs 2018 Elantra at 20,000 miles ... a drain and fill using 4 quarts of Valvoline Max Life ATF ... the fill cap is down under the air intake box and is sorta difficult to remove... as it has a bracket over the top of it... I trimmed a little of the plastic off the edge of the cap for easier access next time. I started at the same mileage on her previous Accent... and then every 20 to 30,000 thereafter. All transmissions should have a drain bolt AND a dip stick ! I just captured all that drained out in a pan and measured it in an empty 5 qt oil container and put the same amount back in ... Oh, go very slow in refilling... or it will burp and make a mess.

I've seen that bracket and thought about removing it, but I used the level check plug to fill instead because I didn't feel comfortable removing it or drilling and trimming the the fill bolt to get it out. I think that bracket is the gear position sensor, but didn't want to go removing it before finding out for sure.

Re: Trans fluid change at 30K?? [Re: flinter] #5114614 05/24/19 12:32 PM
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JustN89 Offline
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Also, the Hyundai SP-IV is a good, synthetic fluid. The only problem with it is that it can be expensive to get. Kia's SP-IV can sometimes be purchased cheaper, if you want to stay with an OEM fluid. That said, others have run mult-vehicle fluids with good results. Amsoil Fuel Efficent ATF, BG, Valvoline Maxlife, M1 and Schaeffer's (they recommend using their All Trans Supreme 204SAT on the technical data sheet- THIS IS INCORRECT. If you want to use Schaeffer's, use their 205A DexVI/Mercon LV fluid) all have had good results and can be had at similarly priced or cheaper than OEM.

Re: Trans fluid change at 30K?? [Re: flinter] #5114620 05/24/19 12:39 PM
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wymi516 Offline
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2016 KIA Forte SX 1.6L T-GDI Daughter
2013 Chevy Impala LT 3.6L GDI Mine
2014 Chrysler 200S 3.6L PFI Wife
Re: Trans fluid change at 30K?? [Re: flinter] #5114677 05/24/19 02:20 PM
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demarpaint Offline
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I'd do it.


God Bless Our Troops

Re: Trans fluid change at 30K?? [Re: demarpaint] #5114686 05/24/19 02:37 PM
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ClarkSuper100 Offline
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Originally Posted by demarpaint
I'd do it.



+1.

I would definitely do it. Compared to the price of a new transmission, the fluid is cheap. Besides, when doing a drain and fill you're never going to get all the old fluid out. Refreshing the remaining fluid with new fluid will help keep the internals of your tranny nice and clean. Another reason to do it is that your fluid could turn brown sometime between 30K and 60K. Why let that happen?


1999 RX300 89,000 M1 EP 5W30
2005 A6 59,000 Motul 8100 X-Cess 5W40
Re: Trans fluid change at 30K?? [Re: flinter] #5114721 05/24/19 03:23 PM
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dbias Offline
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I did my 2010 Accord transmission fluid as follows. You were supposed to drop and add 3 qts 3 times in a row at 60k miles. I did 3 qts once every 20k. At the 60k mile point there would have been 3 qts with 60k, 3 qts with 40 and 3 with 20, so much better shape overall than the recommended procedure. I even roto zipped a slot in the belly pan to allow easy access to the drain plug lol


2011 VW JETTA Castrol Edge 0W-40
2012 FORD TRANSIT CONNECT Castrol Edge 5W-30
2016 HONDA CIVIC COUPE Casrol Edge 5w-30
2017 AUDI A4 Ravenol 5W-40 RUP
Re: Trans fluid change at 30K?? [Re: flinter] #5114725 05/24/19 03:33 PM
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carviewsonic Offline
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I drain and fill every 30k miles now on all my cars. Easy to do, and inexpensive preventative maintenance.


'18 Impala
'05 Park Avenue
'03 Park Avenue
'07 Honda Accord
'09 VStar 1300
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