Ok, I brought this up a while ago, but my searching has brought me up empty handed. What i need to know is, where is the first place to trouble shoot? Im going to start at the pump and work my way....(south???)...

does anyone have a simplified drawing of how the power steering works? I cannot see it in the car with all those other hoses and wires going every which way. I need like an assembly manual drawing if how it is set up and how it works. Can anyone help me with this? Also where should I look first?

Thanks in advance. I would like to get going on this tomarrow morning.

Daniel

 

Daniel

Expect you are low on fluid?
To check: Change PS belt to same length as Gates 7365.
High pressure leak, usually the hose: Fire up engine & turn st. wh. a little & will squirt out under pressure.
Low pressure leak, usually the hose.
Seals: You can try No Leak made by Gold Eagle 14 fl. oz.!
Grease fitting: Lube w/ synthetic.

:cheers:

 

Sorry that this is so late. If you go to: http://www.corvettefaq.com, look under Suspension and Steering, download Steering Hose Routing (pic) - Steering Hose Pump to Valve and also Steering Hose Routing (pic) - Steering Hose Valve to Cylinder. These two pictures should help you understand where the power steering fluid is going and how you get power assist.

If you look at the Pump to Valve picture. The high pressure hose (the one with the nut that screws into the back of the pump) sends power steering oil from the pump down to the control valve. The control valve is screwed onto the end of the linkage relay rod. You can see the control valve much clearer in the Valve to Cylinder drawing. Oil normally goes through the valve and right back to the power steering pump. (Unless you turn the steering wheel and put mechanical force onto the valve). There is a stud sticking out of the valve that attaches to the steering gear pitman arm. It is this stud that actually moves a small amount and shifts a spool valve inside the control valve. The oil returns to the pump through the low pressure hose that has a one-eared crimp clamp or a screw clamp attaching it to a tube on the back of the pump.

When you try to steer right or left, the internal spool valve shifts one direction or the other. When the spool shifts, it directs fluid down to the assist cylinder. The high pressure oil either goes through one hose (which causes the cylinder to extend) or through the other (which causes the cylinder to retract). When high pressure oil is going through one hose to the assist cylinder, the other hose sends low pressure oil back to the control valve and from there, it goes back to the pump.

So the pump is always putting out a controlled flow of oil. It only developes pressure when the control valve shifts and directs oil flow to the assist cylinder which then begins to assist the driver in making a turn. When the driver stops steering, the control valve shifts back to a neutral position and the oil flow just goes directly from the valve back to the pump.

I hope that this explanation is complete enough.