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Re: Honda Power Steering Fluid or Amsoil PSF? [Re: BuickGN] #1304541 12/07/08 08:56 PM
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PandaBear Offline
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Honda PSF has a different visc (thicker) and has additional additives like Zn, P, Ca, etc as detergent. Not sure if Amsoil's visc is correct for Honda application, but I wouldn't take a chance on it unless they guarantee it or I've seen people use it without problem.


"You keep asking questions PandaBear and you'll end up a vegetarian like my wife" - Camu Mahubah
Re: Honda Power Steering Fluid or Amsoil PSF? [Re: PandaBear] #1309290 12/12/08 08:35 AM
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Cooper Offline OP
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Amsoil PSF is speced for Honda PSF.


2012 Nissan Xterra
2014 Subaru Forester
PENNZOIL PLATINUM


Re: Honda Power Steering Fluid or Amsoil PSF? [Re: Cooper] #1310876 12/13/08 11:24 PM
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madamd Offline
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why bother with the risks... new steering rack/pump is no thx.

Honda is very specific about their fluids... stick w/ Genuine Honda PSF+ATF+Coolant...

The only aftermarket fluid I would use are motor oil and brake fluid...

Re: Honda Power Steering Fluid or Amsoil PSF? [Re: Cooper] #1311017 12/14/08 02:51 AM
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 Originally Posted By: Cooper
Amsoil PSF is speced for Honda PSF.


But their MSDS has a different visc.

http://www.prilubes.com/product-info-sheets/pdfs/Honda_Performance_PSF_.pdf

http://www.amsoil.com/msds/psf.pdf


"You keep asking questions PandaBear and you'll end up a vegetarian like my wife" - Camu Mahubah
Re: Honda Power Steering Fluid or Amsoil PSF? [Re: Cooper] #2820775 12/01/12 10:03 PM
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bubbajoe_2112 Offline
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Yeah, dredging up an old thread but FYI:

It appears that Amsoil PSF is no longer spec'd for Honda:

Honda not listed any more

Reformulated in Aug 2012, dunno if that's when they dropped Honda:

Reformulation announcement

Re: Honda Power Steering Fluid or Amsoil PSF? [Re: Cooper] #2821139 12/02/12 10:47 AM
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Char Baby Offline
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I say, stay with the actual Honda brand P/S fluid as you cna't go wrong with it and it's not too expensive.

One or more things could happen when not using Honda P/S fluid in a Honda system.

Some folks have reported that nothing has happened. Others reported leaks and some folks(as myself) reported stiff steering.

Years ago before I knew better and used a non Honda P/S fluid(regular P/S fluid), and I experienced hard(er) steering with the loss of steering return(on it's own).

I changed back to Honda P/S fluid(actually is was Bardahl/Honda P/S fluid) and all was OK again. But, I think that the true "HONDA" brand P/S fluid it the best, as others claim that the Bardahl/Honda fluid would cause stiff steering in really cold tempuratures(below 0 deg's F) while the HONDA brand stayed smooth in the really colder temps.

Last edited by Char Baby; 12/02/12 10:51 AM.

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Re: Honda Power Steering Fluid or Amsoil PSF? [Re: Cooper] #2821845 12/02/12 09:26 PM
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bubbajoe_2112 Offline
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I've never been an advocate of Amsoil PSF at all. I'm just interested in why and when they dropped Honda from their spec list.

I also wanted to alert others who were, like me, under the mistaken assumption that it was still spec'd for Honda.

Re: Honda Power Steering Fluid or Amsoil PSF? [Re: Cooper] #2821864 12/02/12 09:43 PM
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MolaKule Offline
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Aditive-wise, Redline PSf is closest I have seen to the additive package in the Honda PSF.

However, the Redline PSF has a kinetic viscosity of 6.4 cSt whereas the Honda kinetic viscosity is about 11.5 cSt.

What is it about the design of a Honda PSF system that it would need such a high viscosity, since most others make do with a 6.5 to 8 cSt viscosity?


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Re: Honda Power Steering Fluid or Amsoil PSF? [Re: Cooper] #2821870 12/02/12 09:53 PM
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Pablo Offline
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Not at all sure. But it's probably the reason Amsoil made the recommendation change.

Older Honda racks used ATF, no? Is the Honda PSF recommended for them as well?

OR is the higher vis for the grenading PS pumps in Odysseys?


DIRECT JOBBER - PABLO - for all your Amsoil needs
http://oilslubesandfilters.shopamsoil.com/


Re: Honda Power Steering Fluid or Amsoil PSF? [Re: Cooper] #2821885 12/02/12 10:14 PM
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bubbajoe_2112 Offline
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Pablo,

All I know is Amsoil PSF was spec'd for Honda in 2008 and now it's not. Do you happen to have access a product data sheet for Amsoil PSF from 2008. Would be interested to compare that one with the current one (Jan 15, 2012).

Last edited by bubbajoe_2112; 12/02/12 10:15 PM.
Re: Honda Power Steering Fluid or Amsoil PSF? [Re: bubbajoe_2112] #2821886 12/02/12 10:16 PM
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Pablo Offline
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Originally Posted By: bubbajoe_2112
Pablo,

All I know is Amsoil PSF was spec'd for Honda in 2008 and now it's not. Do you happen to have access a product data sheet for Amsoil PSF from 2008. Would be interested to compare that one with the current one (Jan 15, 2012).


I don't but the properties were not grossly changed.


DIRECT JOBBER - PABLO - for all your Amsoil needs
http://oilslubesandfilters.shopamsoil.com/


Re: Honda Power Steering Fluid or Amsoil PSF? [Re: Cooper] #2821894 12/02/12 10:28 PM
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Even if AMSOIL had a better product I'd say use the Honda fluid.

For whatever reason Honda PS systems unanimously like to fuss and fight anything but the OEM fluid.

Last edited by RiceCake; 12/02/12 10:28 PM.
Re: Honda Power Steering Fluid or Amsoil PSF? [Re: RiceCake] #2821897 12/02/12 10:31 PM
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Pablo Offline
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Originally Posted By: RiceCake


For whatever reason Honda PS systems unanimously like to fuss and fight anything but the OEM fluid.


What exactly do you mean?


DIRECT JOBBER - PABLO - for all your Amsoil needs
http://oilslubesandfilters.shopamsoil.com/


Re: Honda Power Steering Fluid or Amsoil PSF? [Re: Pablo] #2821909 12/02/12 10:52 PM
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Originally Posted By: Pablo
Originally Posted By: bubbajoe_2112
Pablo,

All I know is Amsoil PSF was spec'd for Honda in 2008 and now it's not. Do you happen to have access a product data sheet for Amsoil PSF from 2008. Would be interested to compare that one with the current one (Jan 15, 2012).


I don't but the properties were not grossly changed.


Well, that's what I believe also, but don't have the hard data to back up my possibly spotty memory.

Assuming it's true and the formulation is basically the same, it's curious that they dropped Honda from the spec list. I wonder if they had lots of complaints from Honda users or something? Do you know when they dropped Honda from the spec list?

Last edited by bubbajoe_2112; 12/02/12 10:52 PM.
Re: Honda Power Steering Fluid or Amsoil PSF? [Re: bubbajoe_2112] #2821918 12/02/12 11:05 PM
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Pablo Offline
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Originally Posted By: bubbajoe_2112
Originally Posted By: Pablo
Originally Posted By: bubbajoe_2112
Pablo,

All I know is Amsoil PSF was spec'd for Honda in 2008 and now it's not. Do you happen to have access a product data sheet for Amsoil PSF from 2008. Would be interested to compare that one with the current one (Jan 15, 2012).


I don't but the properties were not grossly changed.


Well, that's what I believe also, but don't have the hard data to back up my possibly spotty memory.

Assuming it's true and the formulation is basically the same, it's curious that they dropped Honda from the spec list. I wonder if they had lots of complaints from Honda users or something? Do you know when they dropped Honda from the spec list?


You are overthinking it. Go the other direction. Hints above.

What was the 100C vis of Honda PSF in 1985, 1990, 2000, etc?


DIRECT JOBBER - PABLO - for all your Amsoil needs
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