Steering Issues
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Joined: Feb 2005
Posts: 84
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From: Santa Monica California
Steering Issues
I just had the power steering control valve changed on my '73 L-82. Alignment was done after, as usual. Now, it pulls pretty significantly to the left, which I figure means the alignment was not done properly. However, the car also doesn't handle as well as it did previously. The steering seems like it at first is not responsive, then it grabs. Basically, the handling is mediocre at best. Any thoughts as to (a) the cause and (b) the fix?
Le Mans Master
Joined: Jul 2000
Posts: 6,001
Likes: 112
From: Saginaw Michigan
My first thoughts are that you still have some air in the system that is making the power steering a bit erratic. However, even a lot of air left in the system will eventually work its way out of the system after a few days of driving. So, depending on the length of time that you have had the complaint, air might or might not be a possible cause.
After that, I would think that the valve needs to be rebalanced. Even new valves may need rebalancing on the car.
Here are some of my thoughts on Corvette control valve balancing.
http://jimshea.corvettefaq.com/wp-co...ance18oc06.doc
There are two links in the paper to scans from the Chevrolet shop manual. The following are direct links just in case that the ones in the paper don't work.
http://jimshea.corvettefaq.com/wp-co...lancePic_1.doc
http://jimshea.corvettefaq.com/wp-co...lancePic_2.doc
Jim
After that, I would think that the valve needs to be rebalanced. Even new valves may need rebalancing on the car.
Here are some of my thoughts on Corvette control valve balancing.
http://jimshea.corvettefaq.com/wp-co...ance18oc06.doc
There are two links in the paper to scans from the Chevrolet shop manual. The following are direct links just in case that the ones in the paper don't work.
http://jimshea.corvettefaq.com/wp-co...lancePic_1.doc
http://jimshea.corvettefaq.com/wp-co...lancePic_2.doc
Jim
Last edited by Jim Shea; Oct 18, 2006 at 08:52 AM.
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Le Mans Master
Joined: Jul 2000
Posts: 6,001
Likes: 112
From: Saginaw Michigan
I think that the piston has a teflon ring on it. It needs to be pressurized either side (depending upon the direction of power assist). I would think that it would leak the same in both directions.
Of course the cylinder tube is welded at both ends so you can't replace the piston seal or the piston rod.
Jim
Of course the cylinder tube is welded at both ends so you can't replace the piston seal or the piston rod.
Jim