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Old Dec 30, 2025 | 08:26 AM
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Default Steering question

Does grease go in this zerk fitting?


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Old Dec 30, 2025 | 09:50 AM
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Hello,
Yes!
From Jim Shea....
https://www.corvetteforum.com/forums...rol-valve.html
Regards....
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Old Dec 30, 2025 | 11:13 AM
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Originally Posted by Alan 71
Hello,
Yes!
From Jim Shea....
https://www.corvetteforum.com/forums...rol-valve.html
Regards....
Thank you!
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Old Dec 30, 2025 | 04:36 PM
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Keep in mind it's easy to blow the seals out on these. Most on here would say DON'T grease it. If you do. Just a tad. Be careful!
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Old Dec 30, 2025 | 06:38 PM
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New should be greased already, I would not add anymore
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Old Dec 30, 2025 | 07:00 PM
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Mine is not new. And thanks for all the info.
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Old Dec 31, 2025 | 09:09 AM
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I have never seen anything anywhere that says to grease it. Everything i have read said to not grease it
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Old Dec 31, 2025 | 10:25 AM
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Does this apply to manual steering?
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Old Dec 31, 2025 | 10:31 AM
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Originally Posted by pltmgr
Does this apply to manual steering?
No, manual steering uses a different centerlink with a ball stud and spring seat in the end of the centerlink. It should be greased and snug moving.
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Old Dec 31, 2025 | 01:19 PM
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Originally Posted by GTR1999
New should be greased already, I would not add anymore
Originally Posted by Rescue Rogers
I have never seen anything anywhere that says to grease it. Everything i have read said to not grease it
All the new and rebuilt PSCV's come with a warning not to grease them as they are greased at the factory, and to grease them further will void the warranty. From a quick look at a Corvette shop manual I could only find where it mentions greasing the PSCV after replacing the ball stud, though a more thorough read of the manual might find more information.
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Old Dec 31, 2025 | 01:57 PM
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I recently disassembled mine on my 73.
It still had what looked like the original grease in it.
At first I thought it was another thing on the car that wasn’t maintained properly, until I learned otherwise.
That big rubber seal on the opposite side of the fitting is what holds in the grease and if you add to what is in there it will just blow out of the seal.
After I rebuilt mine it took only a slight amount of grease.

If it’s dry, then add just a slight bit as Alan suggested.
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Old Dec 31, 2025 | 06:22 PM
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Originally Posted by ALLEN007
Does grease go in this zerk fitting?

Originally Posted by Alan 71
Hello,
Yes!
From Jim Shea....
https://www.corvetteforum.com/forums...rol-valve.html
Regards....
[After 1975 the zerk fitting was eliminated and the boot seal modified to eliminate the purge slit. The valve was considered to be "greased for life."]

CONGRATS...
EVERYONE IS RIGHT !

Last edited by doorgunner; Dec 31, 2025 at 06:27 PM.
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