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Home › Subaru › 2002 › Impreza RS, Automatic › Repair and Diagnosis › Steering › Steering Column › Power Assisted System (Power Steering) › Steering Gearbox › Disassembly › Control Valve

Control Valve

  1. Disconnect the four pipes from the gearbox.
    NOTE: Remove the pipes E and F as a single unit being fixed at the clamp plate.
  2. Secure the gearbox removed from the vehicle in vice using ST.

    ST 926200000 STAND

    CAUTION: Secure the gearbox in a vice using the ST as shown. Do not attempt to secure it without this ST. 
    Fig 1: Securing Gearbox In Vice
    G02867992Courtesy of SUBARU OF AMERICA, INC.
  3. Using ST, loosen the lock nut.

    ST 926230000 SPANNER

    Fig 2: Loosening Lock Nut
    G02867993Courtesy of SUBARU OF AMERICA, INC.
  4. Tighten the adjusting screw until it no longer tightens.
    Fig 3: Tightening Adjusting Screw
    G02867994Courtesy of SUBARU OF AMERICA, INC.
  5. Loosen the adjusting screw and remove the spring and sleeve.
    CAUTION: Replace the spring and/or sleeve if damaged. 
  6. Remove the two bolts securing valve assembly.
    Fig 4: Removing Valve Assembly Bolts
    G02867995Courtesy of SUBARU OF AMERICA, INC.
  7. Carefully draw out the input shaft and remove the valve assembly.
    Fig 5: Removing Valve Assembly
    G02867996Courtesy of SUBARU OF AMERICA, INC.
  8. Slide the dust cover out.
    Fig 6: Removing Dust Cover Out
    G02867997Courtesy of SUBARU OF AMERICA, INC.
  9. Using a press remove pinion and valve assembly from the valve housing.
    Fig 7: Removing Pinion & Valve Assembly From Valve Housing
    G02867998Courtesy of SUBARU OF AMERICA, INC.
  10. Using ST and press, remove the dust seal, oil seal and special bearing from the valve housing.

    ST 34099FA120 INSTALLER & REMOVER SEAL

    CAUTION:
    • Do not apply a force to end surface of valve housing. 
    • Do not reuse oil seal after removal. 
      Fig 8: Removing Dust Seal
      G02867999Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the snap ring using snap ring pliers.
    CAUTION:
    • Do not reuse removed snap ring. 
    • Be careful not to scratch pinion and valve assembly. 
      Fig 9: Removing Snap Ring
      G02868000Courtesy of SUBARU OF AMERICA, INC.
  12. Press out the bearing together with the back up washer using pipe of I.D. 38.5 to 39.5 mm (1.516 to 1.555 in) and press.
    CAUTION: Do not reuse removed bearing. 
    Fig 10: Removing Bearing
    G02868001Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the oil seal.
CAUTION: Do not reuse removed oil seal. 
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