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Control Valve Assembly

WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.

Specified steering grease: 

VALIANT GREASE M2 (Part No. 003608001) 

  1. Clean all parts and tools before reassembling.
  2. Apply a coat of specified power steering fluid to the inner wall of valve housing.
    Fig 1: Applying Coat Of Specified Power Steering Fluid To Inner Wall Of Valve Housing
    G07926259Courtesy of SUBARU OF AMERICA, INC.
  3. Apply grease to the oil seal.
  4. Verify the direction of oil seal.
  5. Using the ST and a press, install the oil seal and the bushing in valve housing.

    ST 34199AG090 INSTALLER & REMOVER

    Fig 2: Installing Oil Seal And Bushing In Valve Housing Using ST And Press
    G07926260Courtesy of SUBARU OF AMERICA, INC.
  6. Apply vinyl tape to the groove of pinion.
  7. Install the back-up ring and oil seal to pinion, and then remove the vinyl tape.
    Fig 3: Identifying Back-Up Ring, Oil Seal And Vinyl Tape
    G07926261Courtesy of SUBARU OF AMERICA, INC.
  8. Attach the ST to pinion, and install the seal ring.

    ST 34199AG020 GUIDE

    Fig 4: Attaching ST To Pinion
    G07926262Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the ST GUIDE, and form the seal ring properly using ST FORMER.

    ST 34199AG070 FORMER

    Fig 5: Forming Seal Ring Using ST Former
    G07926263Courtesy of SUBARU OF AMERICA, INC.
  10. Put vinyl tape around pinion shaft spline to protect oil seal from damage.
  11. Install the valve to pinion, and install the snap ring.
    Fig 6: Identifying Valve And Snap Ring
    G07926264Courtesy of SUBARU OF AMERICA, INC.
  12. Attach the pinion & valve assembly into the valve housing.
    Fig 7: Identifying Pinion & Valve Assembly And Valve Housing
    G07926265Courtesy of SUBARU OF AMERICA, INC.
  13. Using the ST and a press, push the outer race of bearing and press-fit the pinion and valve assembly into housing.

    ST 34199XA020 FORMER PISTON 44

    Fig 8: Pressing Pinion And Valve Assembly Into Housing
    G07926266Courtesy of SUBARU OF AMERICA, INC.
  14. Apply the specified grease to dust cover.
  15. Install the dust cover on valve assembly.
    CAUTION: Be sure to install the dust cover to groove of shaft.
    Fig 9: Installing Dust Cover On Valve Assembly
    G07926267Courtesy of SUBARU OF AMERICA, INC.
  16. Apply the genuine grease to the pinion gear and bearing of valve assembly.
    Fig 10: Applying Genuine Grease To Pinion Gear And Bearing Of Valve Assembly
    G05032945Courtesy of SUBARU OF AMERICA, INC.
  17. Install new O-ring to valve assembly.
    Fig 11: Identifying O-Ring On Valve Assembly
    G07926269Courtesy of SUBARU OF AMERICA, INC.
  18. Insert the valve assembly into place while facing the rack teeth toward pinion.
    Fig 12: Installing Valve Assembly
    G05032927Courtesy of SUBARU OF AMERICA, INC.
  19. Tighten the bolts alternately to secure the valve assembly.

    Tightening torque: 20 N.m (2.0 kgf-m, 14.8 ft-lb) 

    CAUTION: Be sure to alternately tighten the bolts.
  20. Apply liquid gasket to 1/3 or more of entire perimeter of adjusting screw thread.

    Liquid gasket: THREE BOND 1102 or 1215 

  21. Apply a coat of grease to the sliding surface of sleeve and seating surface of spring, and then insert the sleeve into steering body.

    Charge the adjusting screw with grease, and then insert the spring into adjusting screw. Then install on the steering body.

    Fig 13: Applying Coat Of Grease To Sliding Surface Of Sleeve And Seating Surface Of Spring
    G07926271Courtesy of SUBARU OF AMERICA, INC.
  22. Tighten the adjusting screw to the specified torque.

    Tightening torque: 5.9 N.m (0.6 kgf-m, 4.4 ft-lb) 

  23. Tighten the adjusting screw to the specified torque, then loosen it 20°.
  24. Adjust the turning resistance of gearbox so that it is within specification using adjusting screw. Refer to TURNING RESISTANCE OF GEARBOX , INSPECTION, Steering Gearbox.
  25. Attach the lock nut into adjusting screw, and while holding the adjusting screw with wrench, tighten the lock nut using ST.

    Liquid gasket: THREE BOND 1102 or 1215 

    ST 926230000 SPANNER

    Tightening torque (lock nut): 25 N.m (2.5 kgf-m, 18.4 ft-lb) 

    NOTE: Hold the adjusting screw with a wrench to prevent it from turning while tightening lock nut.
  26. Remove the gearbox from ST.

    ST1 926200000 STAND

    ST2 34199AG000 BOSS D

  27. Install the four pipes on gearbox.
  1. Connect the pipes A and B to gearbox.

    Tightening torque: Refer to the component parts. Refer to  POWER ASSISTED SYSTEM  , COMPONENT, General Description. 

  2. Connect the pipes C and D to gearbox.

Tightening torque: 

Pipe C: 37 N.m (3.8 kgf-m, 27.3 ft-lb) 

Pipe D: 29 N.m (3.0 kgf-m, 21.4 ft-lb) 

Fig 14: Identifying Pipes C And D Of Gearbox
G07926272Courtesy of SUBARU OF AMERICA, INC.
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