Assembly

1. Ensure all parts are thoroughly clean and coat plungers, pressure control valve, gain control valve and 4-way valve with power steering fluid.
2. Install 4-way valve, plungers, return springs and rollers into valve body.
3. Coat port seal with power steering fluid and install into groove of port housing.
4. Install valve body onto port housing.
5. Install pressure control valve, gain control valve and valve springs into valve body.
6. Coat cap seal with power steering fluid and install into groove of valve body cap.
7. Install valve body cap on valve body. Ensure mating surface of valve body and cap are flush at upper side.
8. Tighten valve body cap attaching bolts to specifications.
9. Ensure 4-way valve moves smoothly and returns to its neutral position.
10. Coat O-rings with grease and install together with orifices.
11. Install valve body unit onto gear housing. Be careful not to hit pinion holder pin, and ensure O-rings are in place and not pinched.
12. Tighten attaching bolts to specifications.
13. Tighten hydraulic lines to valve body to specifications.