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Kia ATF/PSF compatibility #4786195
06/13/18 07:01 PM
06/13/18 07:01 PM
Joined: Jun 2004
Posts: 86
Virginia
baomo Offline OP
baomo  Offline OP
Joined: Jun 2004
Posts: 86
Virginia
I have a question about Kia ATF & PSF. The transmission calls for M-III or Dexron-IIE and the power steering is PSF-III. Is PSF-III just Dexron III?

Would any modern 'Dex/Merc' fluid work for both applications?



Re: Kia ATF/PSF compatibility [Re: baomo] #4786206
06/13/18 07:08 PM
06/13/18 07:08 PM
Joined: Feb 2014
Posts: 2,568
Canada
Lolvoguy Offline
Lolvoguy  Offline
Joined: Feb 2014
Posts: 2,568
Canada
Originally Posted By: baomo

Would any modern 'Dex/Merc' fluid work for both applications?


Valvoline Maxlife ATF is all you'll ever need.
thumbsup


06 Lexus IS350- Wife
88 BMW 325is- Mistress
Re: Kia ATF/PSF compatibility [Re: Lolvoguy] #4786208
06/13/18 07:10 PM
06/13/18 07:10 PM
Joined: May 2002
Posts: 1,494
St. Charles County, Missouri
csandste Offline
csandste  Offline
Joined: May 2002
Posts: 1,494
St. Charles County, Missouri
Originally Posted By: Lolvoguy
Originally Posted By: baomo

Would any modern 'Dex/Merc' fluid work for both applications?


Valvoline Maxlife ATF is all you'll ever need.
thumbsup
+++


2017 Kia Soul Plus-- Valvoline MaxLife Blend 5-20, 52,000 miles.
Re: Kia ATF/PSF compatibility [Re: baomo] #4786211
06/13/18 07:14 PM
06/13/18 07:14 PM
Joined: Feb 2008
Posts: 287
Michigan
Spartanfool Offline
Spartanfool  Offline
Joined: Feb 2008
Posts: 287
Michigan
"Spaer" tire?????

I run Valvoline Maxlife ATF Dex/Merc in my kid's Hyundai transaxle, with Mobil 1 Synthetic ATF in the power steering. Works perfectly.

Re: Kia ATF/PSF compatibility [Re: baomo] #4786240
06/13/18 07:53 PM
06/13/18 07:53 PM
Joined: Jan 2017
Posts: 139
California
boom10ful Offline
boom10ful  Offline
Joined: Jan 2017
Posts: 139
California
I've been using Valvoline Maxlife in the transmission and in the power steering reservoir. Either clean or replace the power steering reservoir as well as there is a screen filter inside. I haven't been able to clean it out completely so I'm replacing mine later, they're around $12. Pretty sure Kia has the same setup as Hyundai. Mine started leaking from the power steering hoses after exchanging fluid, but I've read that it's a common problem for the 2.7L plus the car wasn't in the best of shape when I got it.

Re: Kia ATF/PSF compatibility [Re: baomo] #4786247
06/13/18 08:08 PM
06/13/18 08:08 PM
Joined: Jun 2004
Posts: 86
Virginia
baomo Offline OP
baomo  Offline OP
Joined: Jun 2004
Posts: 86
Virginia
Ok, thanks for the replies, I'll go with Maxlife.

If PSF-III is just Dexron III, I wonder why they didn't just spec one fluid all the way around?

Re: Kia ATF/PSF compatibility [Re: baomo] #4786258
06/13/18 08:30 PM
06/13/18 08:30 PM
Joined: Feb 2008
Posts: 287
Michigan
Spartanfool Offline
Spartanfool  Offline
Joined: Feb 2008
Posts: 287
Michigan
Originally Posted By: baomo
Ok, thanks for the replies, I'll go with Maxlife.

If PSF-III is just Dexron III, I wonder why they didn't just spec one fluid all the way around?


Maybe so they can sell you the over priced PSF from their parts department?

Re: Kia ATF/PSF compatibility [Re: Spartanfool] #4786362
06/14/18 02:25 AM
06/14/18 02:25 AM
Joined: May 2005
Posts: 10,488
ROCHESTER, NY
Char Baby Offline
Char Baby  Offline
Joined: May 2005
Posts: 10,488
ROCHESTER, NY
Originally Posted By: Spartanfool
Originally Posted By: baomo
Ok, thanks for the replies, I'll go with Maxlife.

If PSF-III is just Dexron III, I wonder why they didn't just spec one fluid all the way around?


Maybe so they can sell you the over priced PSF from their parts department?


^^^This is the only thing I can think of.


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX
Re: Kia ATF/PSF compatibility [Re: baomo] #4786418
06/14/18 05:29 AM
06/14/18 05:29 AM
Joined: Oct 2008
Posts: 12,562
The Old North State
Sayjac Offline
Sayjac  Offline
Joined: Oct 2008
Posts: 12,562
The Old North State
I think you'll find the linked thread informative and relevant to your question. Best information says PSF III just Hyun/Kia renamed transmission fluid.

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4555969/1

Re: Kia ATF/PSF compatibility [Re: Sayjac] #4787187
06/15/18 04:57 AM
06/15/18 04:57 AM
Joined: Oct 2012
Posts: 326
North Carolina
Egg_Head Offline
Egg_Head  Offline
Joined: Oct 2012
Posts: 326
North Carolina
PSF-III I have seen is amber in color, makes me wonder if DEX-III is compatible.


1979 Garelli Rally Sport
2009 Cub Cadet LT1042
2002 BMW 540 M Sport (totaled)
2011 MB E350 4matic wagon
1979 CJ-7
Re: Kia ATF/PSF compatibility [Re: Egg_Head] #4787214
06/15/18 05:56 AM
06/15/18 05:56 AM
Joined: Oct 2008
Posts: 12,562
The Old North State
Sayjac Offline
Sayjac  Offline
Joined: Oct 2008
Posts: 12,562
The Old North State
Originally Posted By: Egg_Head
PSF-III I have seen is amber in color, makes me wonder if DEX-III is compatible.

I haven't seen PSF III, however I have seen the Toyota Tacoma Factory Fill PSF. It is more of a standard lube type color, golden to brown-ish as it gets older. But, Toyota calls for Dex II/III ATF as the replacement and that's what I used, working fine.

Re: Kia ATF/PSF compatibility [Re: baomo] #4788473
06/16/18 05:34 PM
06/16/18 05:34 PM
Joined: Jun 2004
Posts: 86
Virginia
baomo Offline OP
baomo  Offline OP
Joined: Jun 2004
Posts: 86
Virginia
I contacted Valvoline and they confirmed that it is a Dexron III even saying Dex/Merc is fine. I don't remember the prices, if MaxLife is only a few bucks more for a gallon I'll probably go with that, otherwise I'll look for another brand name Dex/Merc on sale.


Quote:
Thank you for contacting Valvoline Product Support with your technical question.

The power steering in your 2002 KIA Sportage with a 2.0 uses a Dexron III ATF fluid in our systems. We would recommend either our Valvoline Dex/Merc or Valvoline Maxlife ATF. Both would work in you application. The Maxlife ATF covers the KIA PSF-III if you are worried about covering that spec.

If you have any further questions, please feel free to contact us via phone at 800 TEAM VAL or by email at [email protected] for assistance.

Thank you and have a great day.

Valvoline Product Support


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