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Power Steering Fluid for 54 Chevy #5334492 01/28/20 08:54 AM
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ThomasJ49 Offline OP
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My 54 Chevy calls for hydraulic fluid to be put in for the power steering. My question is, is power steering fluid and hydraulic fluid the same, can I just buy any power steering fluid to add or will I need to be specific and use a hydraulic fluid.?
TIA

Re: Power Steering Fluid for 54 Chevy [Re: ThomasJ49] #5334542 01/28/20 10:01 AM
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MolaKule Offline
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Power Steering fluid and ATF are special forms of hydraulic fluid.

I think the PS fluid back then was Dexron/Merc fluid which had a viscosity of 7.5 [email protected], or about a 5W20.

Is this PS system the original or has been upgraded?

If original, it can probably use any mineral oil-based run of the mill Dex/Merc.


Last edited by MolaKule; 01/28/20 11:17 AM.

I'm a Student Pilot. Frightening, isn't it?
Re: Power Steering Fluid for 54 Chevy [Re: ThomasJ49] #5334588 01/28/20 11:02 AM
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WyrTwister Offline
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Were Power Glide transmissions available at that time ? If so , I am guessing , what ever ATF they used ?


Wyr
God bless
Re: Power Steering Fluid for 54 Chevy [Re: ThomasJ49] #5334610 01/28/20 11:34 AM
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Chris142 Offline
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I believe you want Type A trans fluid.

Last edited by Chris142; 01/28/20 11:34 AM.

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Re: Power Steering Fluid for 54 Chevy [Re: ThomasJ49] #5334617 01/28/20 11:39 AM
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MolaKule Offline
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According to James Dickey (former Exxon ATF fluids engineer), Type A was in play until 1957. In 1957 that's when GM introduced the upgraded "Type A Suffix A" ATF.

In 1967 the Dexron and Ford Type "F" formulations were introduced.

But the Dexron series superseded all previous Type A fluids, which is why I think any run of the mill, off the shelf mineral oil based Dex/Mercon should work in an OEM PS system.

Last edited by MolaKule; 01/28/20 12:07 PM.

I'm a Student Pilot. Frightening, isn't it?
Re: Power Steering Fluid for 54 Chevy [Re: MolaKule] #5334624 01/28/20 11:47 AM
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ThomasJ49 Offline OP
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So i'musing Dexron lll in my transmission so it'll be the same stuff in my power steering correct? From what I'm seeing the bowl that holds the power steering fluid looks to be the original one.

Last edited by ThomasJ49; 01/28/20 11:49 AM.
Re: Power Steering Fluid for 54 Chevy [Re: ThomasJ49] #5334625 01/28/20 11:50 AM
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MolaKule Offline
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Originally Posted by ThomasJ49
So i'musing Dexron lll in my transmission so it'll be the same stuff in my power steering correct?



As I asked previously, is this the original ps system or has it been upgraded?


I'm a Student Pilot. Frightening, isn't it?
Re: Power Steering Fluid for 54 Chevy [Re: MolaKule] #5334639 01/28/20 12:14 PM
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ThomasJ49 Offline OP
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All I can tell is what I posted above about the original looking bowl. I've only had the car a few months and from what I can see everything looks to be original, the previous owner didn't mention any up grades on the power steering. The only upgrade I'm aware of is for disc brakes in the front.

Re: Power Steering Fluid for 54 Chevy [Re: ThomasJ49] #5334736 01/28/20 02:18 PM
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MolaKule Offline
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Originally Posted by ThomasJ49
So i'musing Dexron lll in my transmission so it'll be the same stuff in my power steering correct? From what I'm seeing the bowl that holds the power steering fluid looks to be the original one.



I am assuming by "bowl" you mean the fluid reservoir.

If the transmission is a 3-speed TurboGlide or 2-speed PowerGlide then yes, I think both components would use a mineral oil-based Dex/Merc.


Last edited by MolaKule; 01/28/20 02:27 PM.

I'm a Student Pilot. Frightening, isn't it?
Re: Power Steering Fluid for 54 Chevy [Re: MolaKule] #5334778 01/28/20 03:34 PM
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ThomasJ49 Offline OP
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Okay guys thanks for the help. :-)

Re: Power Steering Fluid for 54 Chevy [Re: ThomasJ49] #5334830 01/28/20 05:01 PM
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nascarnation Offline
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Originally Posted by ThomasJ49
So i'musing Dexron lll in my transmission so it'll be the same stuff in my power steering correct? From what I'm seeing the bowl that holds the power steering fluid looks to be the original one.



That's a good plan.
My Chevy is 13 years newer but I run Dex III in the ps (and the convertible top hydraulics!) and it works fine.

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