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#4786195 - 06/13/18 08:01 PM
Kia ATF/PSF compatibility
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Registered: 06/26/04
Posts: 82
Loc: Virginia
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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? 
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#4786206 - 06/13/18 08:08 PM
Re: Kia ATF/PSF compatibility
[Re: baomo]
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Registered: 02/06/14
Posts: 2350
Loc: Canada
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Would any modern 'Dex/Merc' fluid work for both applications?
Valvoline Maxlife ATF is all you'll ever need. 
_________________________
06 Lexus IS350- Wife
88 BMW 325is- Mistress
03 Suzuki SV650S- One night stand
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#4786208 - 06/13/18 08:10 PM
Re: Kia ATF/PSF compatibility
[Re: Lolvoguy]
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Registered: 05/31/02
Posts: 1187
Loc: St. Peters, Missouri
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Would any modern 'Dex/Merc' fluid work for both applications?
Valvoline Maxlife ATF is all you'll ever need. +++
_________________________
2017 Kia Soul Plus-- Valvoline MaxLife Blend 5-20
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#4786211 - 06/13/18 08:14 PM
Re: Kia ATF/PSF compatibility
[Re: baomo]
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Registered: 02/10/08
Posts: 262
Loc: Michigan
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"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.
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#4786240 - 06/13/18 08:53 PM
Re: Kia ATF/PSF compatibility
[Re: baomo]
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Registered: 01/17/17
Posts: 128
Loc: California
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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.
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#4786247 - 06/13/18 09:08 PM
Re: Kia ATF/PSF compatibility
[Re: baomo]
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Registered: 06/26/04
Posts: 82
Loc: Virginia
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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?
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#4786258 - 06/13/18 09:30 PM
Re: Kia ATF/PSF compatibility
[Re: baomo]
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Registered: 02/10/08
Posts: 262
Loc: Michigan
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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?
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#4786362 - 06/14/18 03:25 AM
Re: Kia ATF/PSF compatibility
[Re: Spartanfool]
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Registered: 05/25/05
Posts: 10028
Loc: ROCHESTER, NY
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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"
'06 Mazda 3i 2.0L
'15 Nissan Altima 2.5 SV
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#4787187 - 06/15/18 05:57 AM
Re: Kia ATF/PSF compatibility
[Re: Sayjac]
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Registered: 10/07/12
Posts: 284
Loc: North Carolina
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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)
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#4787214 - 06/15/18 06:56 AM
Re: Kia ATF/PSF compatibility
[Re: Egg_Head]
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Registered: 10/13/08
Posts: 12273
Loc: The Old North State
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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.
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#4788473 - 06/16/18 06:34 PM
Re: Kia ATF/PSF compatibility
[Re: baomo]
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Registered: 06/26/04
Posts: 82
Loc: Virginia
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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. 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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