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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> Steering >> Power Steering >> Power Steering System >> Steering Gearbox >> Removal

Steering Gearbox: Removal

  1. Lift up the vehicle, and then remove the front wheels.
  2. Remove the under cover - front. Ref. to EXTERIOR/INTERIOR TRIM>Front Under Cover>REMOVAL
  3. Disconnect the tie-rod end.
    1. Pull out the cotter pin (a).
    2. Remove the castle nut (b).
    3. Using a tie-rod end puller, remove the tie-rod end (c).
      CAUTION: Be careful not to damage the boot of the joint.

      Preparation Tool: 

      Tie-rod ball joint puller

      G10294496
  4. Remove the bolt, and remove the front crossmember support.
    G10269432
  5. Remove the front stabilizer. Ref. to FRONT SUSPENSION>Front Stabilizer>REMOVAL
  6. Drain the power steering fluid.
    1. Remove the pipe joint of the gearbox, and connect the vinyl hose to the pipe and the joint.
      G10270114
    2. Discharge the fluid by turning the steering wheel fully clockwise and counterclockwise.
    3. Discharge the fluid similarly from other pipes.
  7. Remove the universal joint assembly - steering. Ref. to POWER ASSISTED SYSTEM (POWER STEERING)>Universal Joint>REMOVAL 
  8. Disconnect the ground cable from battery. Ref. to NOTE>BATTERY
  9. Disconnect the feed pipe from the pressure hose first, then disconnect the return pipe from the hose - return.
    G12448637
  10. Remove the bolts securing the gearbox, and remove the stiffener (a), clamp (b) and gearbox (c).
    G10270116
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