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Home › Subaru › 2003 › Impreza RS, Standard › Repair and Diagnosis › Steering › Power Steering › Power Assisted 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: Secure Gearbox In A Vice Using ST
    G01980892Courtesy of SUBARU OF AMERICA, INC.
  3. Using ST, loosen the lock nut.

    ST 926230000 SPANNER

    Fig 2: Loosening Lock Nut Using ST
    G01980893Courtesy of SUBARU OF AMERICA, INC.
  4. Tighten the adjusting screw until it no longer tightens.
    Fig 3: Tightening Adjusting Screw Until It No Longer Tightens
    G01980894Courtesy 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 Two Bolts Securing Valve Assembly
    G01980895Courtesy of SUBARU OF AMERICA, INC.
  7. Carefully draw out the input shaft and remove the valve assembly.
    Fig 5: Drawing Out Input Shaft & Removing Valve Assembly
    G01980896Courtesy of SUBARU OF AMERICA, INC.
  8. Slide the dust cover out.
    Fig 6: Sliding Dust Cover Out
    G01980897Courtesy of SUBARU OF AMERICA, INC.
  9. Using a press remove pinion and valve assembly from the valve housing.
    Fig 7: Using Press Remove Pinion & Valve Assembly From Valve Housing
    G01980898Courtesy 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, Oil Seal & Special Bearing From Valve Housing Using ST
    G01980899Courtesy 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 Using Snap Ring Pliers
    G01980900Courtesy 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: Pressing Out Bearing Together With Back Up Washer
    G01980901Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the oil seal.
    CAUTION: Do not reuse removed oil seal.
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