Power Steering Control Valve
Thread Starter
Instructor
Joined: Mar 2008
Posts: 221
Likes: 0
From: Farifax Station VA
Power Steering Control Valve
I just received my PS control valve from ZIP and to my surprise I have to adjust it. Can someone tell me how to do this? First of all, where is the adjusting screw, is it behind the end cap?
thanks.
thanks.
Last edited by TyCor; May 22, 2008 at 09:00 PM. Reason: Spelling
Le Mans Master
Joined: Apr 2005
Posts: 6,349
Likes: 419
From: Seattle Area WA
Refer to the service manual
After you have it installed, front wheels in the air, the power assist ram disconnected from the bracket, (make sure the hoses are crossed correctly), you remove the cap to gain access to the adjusting nut. Start the car and slowly cycle the steering wheel back and forth to remove the air. Then you adjust the nut so the power assist ram rod is neutral, you do not want it to move as you adjust the nut.
Did I miss anything?
After you have it installed, front wheels in the air, the power assist ram disconnected from the bracket, (make sure the hoses are crossed correctly), you remove the cap to gain access to the adjusting nut. Start the car and slowly cycle the steering wheel back and forth to remove the air. Then you adjust the nut so the power assist ram rod is neutral, you do not want it to move as you adjust the nut. Did I miss anything?
Le Mans Master
Joined: Apr 2005
Posts: 6,349
Likes: 419
From: Seattle Area WA
Here is Jim's paper on installing a new valve and balancing.
http://jimshea.corvettefaq.com/wp-co...ance18oc06.doc
http://jimshea.corvettefaq.com/wp-co...ance18oc06.doc
Racer
Joined: Jul 2007
Posts: 444
Likes: 0
From: Roselle IL
Is it fully bled? It can take quite a bit to get all the air out. Suggest you put the front wheels in the air and rotate the sterring wheel lock to lock 10 times with the engine off. Start the engine and do the same thing 10 times. Then test drive again.
Melting Slicks
Joined: Feb 2006
Posts: 3,428
Likes: 5
From: Japan
Be advised that C3 Corvette power steering was not nearly as overboosted as other GM cars from the same era- if you're comparing your car's level of power assist to larger cars it's going to feel like a LOT less, which it is.
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