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Poncho Master!

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Help- 64 power steering issue


so recently I replaced the power steering piston on my 64 custom sport. I bled it to the letter according to the shop manuals.  I took it for a 20 minute drive and noticed the power steering was coming and going (this had happened last fall with the old piston too but went away) I put a new pump in as I had one and now the car steers left smooth but no so smooth to the right.  

 

On my 20 minute drive it was stiff in spots either way and while trying to park the seal blew out of the piston while steering left.  last night while bleeding it the seal blew out while steering to the right.  

 

Anyone have ate any thoughts or experience with this?   I am thinking it may be the valve????



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Addicted!

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Urban_suburban wrote:

....according to the shop manuals.....

 

I have a 1964 Pontiac Series 7000 Shop Manual ''Supplement''. It talk about power steering for about 10 pages.

 

I can post them here if you don't have this manual.

 

Power Steering-01.jpg

 



-- Edited by 409Safari on Thursday 11th of August 2016 09:27:14 AM



-- Edited by 409Safari on Thursday 11th of August 2016 10:06:05 AM

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Poncho Master!

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I do have that manual. Oddly enough I was using my Chevrolet one as I commonly do when doing mechanical stuff. So stupid to not think of that as I have found notable differences in them before

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Addicted!

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OK! then....

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Addicted!

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I'm no expert but I had my valve re-done with one of the kits and it was never right. It leaked and, more significantly, often had stiff spots. I got an expensive but completely refurbished one and the problems went away. It now drives as straight as a die. Of course this may not be a cure for your problem as I'm no expert!

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Addicted!

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.........P.S.

Because the valve on the RHD cars is different I had to convince a guy in Australia to supply the replacement - which had been re-manufactured in Texas!

Worlds most travelled power steering control valve?

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Poncho Master!

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Steve at Authentic Automotive in the US sells very high quality stock power steering parts, very knowledgeable and reasonable. He also buys any of the special parts needed for 6 cylinder PS.
authenticautomotive.net/

Don

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Mahone Bay, NS Still not old enough to need an automatic



Poncho Master!

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Thanks guys. So the stiff ness appeared to be a faulty steering valve. I replaced it with a good used one off a car I pulled years ago and cleaned it up and no more stiffness at all. However at the locks it blew out the seal on the valve. Upon a closer inspection with the valve removed it would appear that the clip that holds the seal in the valve it not sufficient. I am going to contact the company today and see what they suggest. Sadly the cylinder came from Hubbards Impala parts in the USA. So I am not looking forward to having to seek warranty. I put my old leaky cylinder back in so we can atleast drive the car again. Just have to put up with the dripping overnight

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26992035_10156267624787847_5303155814629

 DD: '06 Impala LS  

Summer Hauler: Southern '97 Suburban 1500 Diesel

 



Poncho Master!

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FWIW.....as I recall.....although this style of power steering system went away for 65 fullsize cars...it was still used on Corvettes right up till the 82 models....
So that will help to keep parts availability current...



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