Power Steering Fluid - PSF or ATF

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humuju
Posts: 27
Joined: Mon Apr 09, 2012 9:14 am

Power Steering Fluid - PSF or ATF

Postby humuju » Sun Oct 29, 2017 1:54 pm

I understand it's best to just follow the recommendation. However, the manual for my G37(S) 2009 says "add Genuine NISSAN PSF or equivalent". The cap on the reservoir says "ATF Dexron". So which one should I use? Also I assume if it's ATF then Dexron II and Dexron III are both ok.

On Amazon I also found "Genuine Nissan Fluid 999MP-EPSF00P Electric Power Steering Fluid". Is there a difference between ELECTRIC PSF and just PSF? Or do they both mean the same? It that 999MP-EPSF00P what the manual refers to with Genuine NISSAN PSF?


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centralcoaster33
Posts: 2772
Joined: Tue Apr 05, 2005 10:41 am
Car: 240SX #5-1997
Location: Central Coast, CA

Re: Power Steering Fluid - PSF or ATF

Postby centralcoaster33 » Mon Oct 30, 2017 1:13 pm

Dexron VI is the equivalent of Genuine NIssan PSF according to the Factory Service Manual. Looks like Valvoline makes it for an off-the-shelf purchase.

humuju
Posts: 27
Joined: Mon Apr 09, 2012 9:14 am

Re: Power Steering Fluid - PSF or ATF

Postby humuju » Mon Oct 30, 2017 7:52 pm

Thanks a lot. After your post I googled the Factory Service Manual and it pointed me back to NicoClub.com :D. I ended up buying Valvoline DEXRON VI Full Synthetic Automatic Transmission Fluid. Amazon also had Mobile but that one is a blend which is probably ok. I didn't go with the Nissan one (999MP-EPSF00P) because it's Electric(!) Power Steering Fluid and I couldn't find and 1 quart (hydraulic?) PSF.


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