C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Power steering leak

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Old Dec 8, 2005 | 01:45 AM
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Default Power steering leak

I am still trying to run down a leak. I replaced the power steering pump as it looked like the leak was coming from there. I am still leaking power steering fluid.
Is the only thing left that could be leaking is the 2 hoses and the fluid tank?
If I replaced them, shouldn't this stop the leak or is there something else that I should be looking at?
Thanks!
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Old Dec 8, 2005 | 09:47 AM
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I would clean the area spotless then check for leaks while it's running. On ramps would be best so you can get a good look. My system was leaking at the pinion valve on the rack. Did you replace the "O" rings when you did the pump
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Old Dec 8, 2005 | 06:33 PM
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Default Power Steering leak

Yes the O rings were replaced. I had the car up on a ramp, and I remove one of the braces to see better. I couldn't see anything leaking.
So, what and where is the pinion valve?
Thanks
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Old Dec 8, 2005 | 07:37 PM
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The pinion valve is located where the steering shaft enters the rack
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Old Dec 8, 2005 | 08:20 PM
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Most of the PS leaks are caused by the hoses they don't last forever.
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Old Dec 9, 2005 | 07:29 AM
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I chased a high pressure hose crack that I just couldn't see with the naked eye for a couple of weeks - finally gave up and replaced it with the DRM stainless steel line - problem solved. Now if we're talking about the PS groan on a cold engine....that's another story.
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Old Dec 9, 2005 | 08:32 AM
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I had a power steering leak and it turned out being the hose, but I my case it was not tight. If I recall correctly, its pretty tight under the car. I had to position myself at the right angle in order to tighten the hose.

I'm sure you can clean the area good and then search for the leak.
Good luck.

Last edited by Brimis; Dec 10, 2005 at 09:00 PM.
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Old Dec 10, 2005 | 10:49 AM
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I sure hope you are right. It would be easier(I think to replace the hoses instead of the rack).
Thanks!
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