Many posts have appeared over the years regarding power steering control valve leaks. As I've said before, I believe that the most common cause of these leaks is due to failure of a certain gasket. That gasket is pictured below [not for sale]. This is a metal compression-type gasket and it's a ONE-USE-ONLY gasket. If it's re-used, a leak is likely to result. To make matters worse, it's long-since GM discontinued and is not included in any aftermarket control valve kit that I know of. In fact, I do not know of a source for it although there may exist one.
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In Appreciation of John Hinckley -
Re: Power Steering Control Valve Gasket
Joe
I don't suppose that was common to any other setup since the vette assist was unique to the GM line- I think anyway. You think there are any sitting on some shelf in the back of a parts dept~! Probably not with inventory reduction on a 34+ year old small application part. -
Re: Power Steering Control Valve Gasket
Gary------
The gasket was used on some other GM applications which used the same type control valve as Corvette. Most, if not all, of these were pre-1965.
Any still around in GM parts departments? There could possibly be a few here-and-there. I would not expect too many.In Appreciation of John HinckleyComment
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Re: Power Steering Control Valve Gasket
Hi Joe , I just rebuilt my valve and it leaked, so I bit the bullet and sent it off to lonestar caliper. My question here is what does lonestar use for their rebuilds if this is a one use gasket and it's not available ? I have rebuilt ,successfully, my calipers and carburetor so I think you are right about your assessment that this gasket is the culprit . JeffComment
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Re: Power Steering Control Valve Gasket
Good question be sure to check it when you get installed. I have some stories but to be politically correct I'll refrain from posting.Comment
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