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Old Jul 19, 2021 | 06:15 PM
  #1  
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Default power steering fluid

new crate 383 stroker, 450 H.P....mechanic said hybrid P.S. pump and uses trans. fluid. got home from first oil change and noticed fluid leak. reservoir now empty. read on another forum about gold eagle no leak p.s. fluid and 3 users, (C3 owners), swear by it. any advice about not using trans. fluid and stopping the leak with gold eagle? thanks y'all!
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Old Jul 19, 2021 | 06:34 PM
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If you are trying to stop a leak with ANY magic lotion... you will be disappointed. If you have a leaking seal...replace the seal. If you have leaking components replace the component.

Says a Senior Mechanical Engineer...not some internet drivel.

Unkahal
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Old Jul 19, 2021 | 07:13 PM
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I just use prestone power steering fluid...no issues, no leaks for 2 years
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Old Jul 19, 2021 | 07:22 PM
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Nothing beats weasel squeezings
M

(Jim Shea was more or less adamant that this was one of the few places where actual GM power steering fluid would be preferred. I've been using it now for whatever amount of years with no issues, works as it should and even compatible with my hydroboost system. Plus since it's clear instead of red you can identify the leak easier
M
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Old Jul 19, 2021 | 07:43 PM
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You should be using ATF for power steering.
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Old Jul 19, 2021 | 07:47 PM
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This is what i always used
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Old Jul 19, 2021 | 07:54 PM
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That's the stuff
M
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Old Jul 20, 2021 | 06:01 AM
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You should NOT use automatic transmission fluid in your power steering.
Automatic transmission fluid is for your automatic transmission if your car is so equipped. Power Steering fluid is for your power steering. No, they are NOT the same stuff.
As per leaks. There are no magic fixes. replace the defective part.

Last edited by 4-vettes; Jul 20, 2021 at 06:02 AM.
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Old Jul 21, 2021 | 08:23 AM
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Correct. Years ago, it was somewhat common to put ATF in the PS as a emergency situation until proper repair or proper fluid could be obtained.
Today, each fluid has its own modifiers and cleansers for their specific purposes.

GM has their own. Ford has a couple different ATFs. Its not all the same stuff.

Last edited by HeadsU.P.; Jul 21, 2021 at 08:26 AM.
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Old Jul 21, 2021 | 08:51 AM
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just did this..
power steering control valve leak rebuild question - Page 2 - CorvetteForum - Chevrolet Corvette Forum Discussion

and here
power steering pump leak 79 - CorvetteForum - Chevrolet Corvette Forum Discussion

which simply means my power steering piston is next to leak..
call around dealers.. price varied tremendously for a 32 ounce bottle.. i think i went 12 bucks a bottle.. cheaper online but i could not wait

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Old Jul 21, 2021 | 03:56 PM
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Originally Posted by 4-vettes
You should NOT use automatic transmission fluid in your power steering.
Automatic transmission fluid is for your automatic transmission if your car is so equipped. Power Steering fluid is for your power steering. No, they are NOT the same stuff.
As per leaks. There are no magic fixes. replace the defective part.
From the 1972 Shop Manual:


Perhaps someone can explain why GM recommends DEXRON for the power steering?
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Old Jul 21, 2021 | 04:02 PM
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Originally Posted by sunflower 1972
From the 1972 Shop Manual:


Perhaps someone can explain why GM recommends DEXRON for the power steering?
post 3
Jim Shea – power steering pump questions - CorvetteForum - Chevrolet Corvette Forum Discussion

post 7

C3 Power Steering - a fluid question... - CorvetteForum - Chevrolet Corvette Forum Discussion

and summary

Jim Shea’s Steering Papers » Corvette Steering (corvettefaq.com)
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Old Jul 21, 2021 | 05:03 PM
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Having spent 45 years in the GM Parts business (35 years as a Parts Manager), I am WELL AWARE that in later years GM developed a hydraulic fluid dedicated strictly for power steering systems. I'm questioning that you can't summarily state that you should NEVER use automatic transmission fluid in power steering systems when IN FACT GM RECOMMENDED DEXRON AUTOMATIC TRANSMISSION FLUID "back in the day" for their power steering systems. If I was stuck somewhere today and there was no "Power Steering Fluid" available, I would not hesitate to use Dexron Transmission Fluid.
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Old Jul 21, 2021 | 05:17 PM
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I see small overpriced bottles of power steering fluid for sale in most gas stations next to the overpriced motor oil. If you had a very slow leak far from home, maybe.
I did have a power steering emergency a few years back. blew the high pressure line coming out of the pump. emptied all the fluid onto the road very quickly. I cut the V belt to the pump so as not to burn it up as well. Drove home without power assistance and yes a bit of slop in the steering. But drivable.
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Old Jul 21, 2021 | 05:36 PM
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Originally Posted by peace6
new crate 383 stroker, 450 H.P....mechanic said hybrid P.S. pump and uses trans. fluid. got home from first oil change and noticed fluid leak. reservoir now empty. read on another forum about gold eagle no leak p.s. fluid and 3 users, (C3 owners), swear by it. any advice about not using trans. fluid and stopping the leak with gold eagle? thanks y'all!
See post #8:https://www.corvetteforum.com/forums...-stopleak.html
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Old Jul 21, 2021 | 06:20 PM
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Originally Posted by sunflower 1972
Having spent 45 years in the GM Parts business (35 years as a Parts Manager), I am WELL AWARE that in later years GM developed a hydraulic fluid dedicated strictly for power steering systems. I'm questioning that you can't summarily state that you should NEVER use automatic transmission fluid in power steering systems when IN FACT GM RECOMMENDED DEXRON AUTOMATIC TRANSMISSION FLUID "back in the day" for their power steering systems. If I was stuck somewhere today and there was no "Power Steering Fluid" available, I would not hesitate to use Dexron Transmission Fluid.
I wasn’t disputing you, nor making summary statements, just referring to why it was recommended..
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Old Jul 21, 2021 | 06:26 PM
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Originally Posted by interpon
I wasn’t disputing you, nor making summary statements, just referring to why it was recommended..
All good.
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