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Steering Gearbox: Assembly

  1. Apply a coat of grease to the inside and outside of the new oil seal.

    Steering grease: 

    VALIANT GREASE M2 

  2. Verify the direction of the oil seal and installation position. Using the ST and a press, press-fit the oil seal into the gearbox.
    CAUTION:
    • Make sure to press fit the oil seal in all the way.
    • The gap between the gearbox end face and the ST is to be approximately 4 mm (0.157 in) after press fitting.

    ST 34199AE130 GEARBOX OIL SEAL INSTALLER

    Fig 1: Pressing Oil Seal Into Gearbox
    G06652838Courtesy of SUBARU OF AMERICA, INC.
  3. Attach the steering body to ST as shown in the figure. Apply a coat of grease to needle bearing.

    ST1 926200000 STAND

    ST2 34199AG000 BOSS D

    CAUTION: Make sure the needle bearing is free from defects. If it is faulty, replace the steering body with a new part.
    Fig 2: Attaching Steering Body To ST
    G06652839Courtesy of SUBARU OF AMERICA, INC.
  4. Using the ST A and ST B, attach the oil seal to ST C.

    ST 34199FE040 INSTALLER A, B, C

    • INSTALLER A: 34199FE070
    • INSTALLER B: 34199FE080
    • INSTALLER C: 34199FE090
    NOTE: Face the oil seal in the direction as shown in the figure.
    Fig 3: Attaching Oil Seal To ST C Using ST A And ST B
    G06652840Courtesy of SUBARU OF AMERICA, INC.
  5. Insert the ST C with oil seal assembled from the gear side of rack. Remove the oil seal from ST C near piston, and then remove the ST C from rack.
    Fig 4: Inserting ST C With Oil Seal From Gear Side Of Rack
    G06652841Courtesy of SUBARU OF AMERICA, INC.
  6. Install the back-up washer from the gear side of rack.
    Fig 5: Identifying Oil Seal, Back-Up Washer And Rack
    G06652842Courtesy of SUBARU OF AMERICA, INC.
  7. Apply a coat of grease to the grooves in rack, sliding surface of sleeve and sealing surface of piston. Then insert the rack into steering body from cylinder side.
  8. Temporarily tighten the holder to gearbox cylinder.
  9. Put a mark on a location of 9 mm (0.35 in) from the ST end surface as shown in the figure.

    ST 34199FE000 INSTALLER & REMOVER

    Fig 6: Identifying Mark On Tool
    G06652843Courtesy of SUBARU OF AMERICA, INC.
  10. Set the ST to the end of rack.

    ST 34199FE000 INSTALLER & REMOVER

  11. Using a press, press-fit until the mark on ST is aligned to the end surface of holder.
    Fig 7: Pressing ST To End Surface Of Holder Using Press
    G06652844Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the ST and holder.
  13. Insert the outer side oil seal to the rack in the same procedure as step  4) to  5).

    ST 34199FE040 INSTALLER A, B, C

    • INSTALLER A: 34199FE070
    • INSTALLER B: 34199FE080
    • INSTALLER C: 34199FE090
  14. Make the ST2 pass through the rack, and then press in the rack and ST2 using a press.

    Press in the outer side oil seal until the ST1 and ST2 comes into contact with each other and the rack end surface is aligned to the end surface of the ST2.

    ST1 34199FE050 GUIDE

    ST2 34199FE060 INSTALLER

    Fig 8: Pressing Outer Side Oil Seal
    G06652845Courtesy of SUBARU OF AMERICA, INC.
  15. Attach a new holder on the cylinder side of the steering body.

    Tightening torque: 

    75 N.m (7.6 kgf-m, 55.3 ft-lb) 

  16. Using the ST, crimp one location less than 3 mm (0.12 in) from the holder.
    CAUTION: Be careful not to deform the holder.

    ST1 34099FA060 PUNCH HOLDER

    ST2 34199FE020 BASE

    Fig 9: Attaching Holder On Cylinder Side Of Steering Body
    G06652846Courtesy of SUBARU OF AMERICA, INC.
  17. Roll a vinyl tape on the serration portion of valve assembly, and then apply grease on the tape surface.
    Fig 10: Applying Vinyl Tape On Serration Portion Of Valve Assembly
    G06652847Courtesy of SUBARU OF AMERICA, INC.
  18. Apply a coat of grease on the gear teeth of the valve assembly, and then attach the valve assembly taking care not to scratch oil seal and seal ring.
    Fig 11: Identifying Seal Ring And Oil Seal
    G06652848Courtesy of SUBARU OF AMERICA, INC.
  19. Replace the O-rings of plug circumference with new O-rings.
  20. Apply grease on the oil seal circumference, and then press it into the plug using ST and a press.

    ST 34199AE110 OIL SEAL PLUG INSTALLER

    CAUTION:
    • Install the oil seal paying attention to correct direction.
    • Make sure to press fit the oil seal in all the way.
    • The gap between the plug and the ST is to be approximately 1 mm (0.039 in) after press fitting.
      Fig 12: Identifying Gap Between Plug And ST
      G06652849Courtesy of SUBARU OF AMERICA, INC.
  21. Attach the plug using ST.

    ST 34199AE090 PLUG WRENCH

    Tightening torque: 

    64 N.m (6.5 kgf-m, 47.2 ft-lb) 

    Fig 13: Attaching Plug Using ST
    G06652850Courtesy of SUBARU OF AMERICA, INC.
  22. Install the dust cover, and remove the vinyl tape.
    Fig 14: Identifying Dust Cover
    G06652851Courtesy of SUBARU OF AMERICA, INC.
  23. Temporarily tighten the tie-rod to the rack end, and then operate the rack from lock to lock for two or three times to make it fit in.
    CAUTION: If operating the rack from lock to lock without installing tie-rods, it may damage the oil seal. Always install the tie-rods LH and RH.
  24. Apply liquid gasket to 1/3 or more of entire perimeter of adjusting screw thread.

    Liquid gasket: 

    THREE BOND 1141 (Part No. 004403006) 

    Fig 15: Applying Liquid Gasket To Entire Perimeter Of Adjusting Screw Thread
    G06652852Courtesy of SUBARU OF AMERICA, INC.
  25. 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 16: Applying Grease To Sliding Surface Of Sleeve And Seating Surface Of Spring
    G06652853Courtesy of SUBARU OF AMERICA, INC.
  26. Tighten the adjusting screw to the specified torque, then loosen it.

    Tightening torque: 

    9.8 N.m (1.0 kgf-m, 7.2 ft-lb) 

  27. Tighten the adjusting screw to the specified torque, then loosen it.

    Tightening torque: 

    4.9 N.m (0.5 kgf-m, 3.6 ft-lb) 

  28. Tighten the adjusting screw to the specified torque, then loosen it approx. 30°.
    CAUTION: Do not loosen by 37° or more.

    Tightening torque: 

    4.9 N.m (0.5 kgf-m, 3.6 ft-lb) 

  29. Remove the tie-rod.
  30. Check that play and looseness are within specifications. Ref. to SERVICE LIMIT , INSPECTION, Steering Gearbox.
  31. Install the lock nut. While holding the adjusting screw with wrench, tighten the lock nut using ST.

    ST 34199AJ000 SPECIAL TOOL CPS LHD

    Tightening torque (lock nut): 

    39 N.m (4.0 kgf-m, 28.9 ft-lb) 

    NOTE: Hold the adjusting screw with a wrench to prevent it from turning while tightening lock nut.
  32. Install the tie-rod into rack.

    Tightening torque: 

    90 N.m (9.1 kgf-m, 66.4 ft-lb) 

    NOTE: Check the mating face of rack and tie-rod for foreign matter such as dust etc.
  33. Apply a coat of grease to the tie-rod groove, and then install the boot to the housing.
    NOTE: Make sure that the boot is installed without unusual inflation or deflation.
    Fig 17: Identifying Grease Applying Area On Tie-Rod Groove
    G05957322Courtesy of SUBARU OF AMERICA, INC.
  34. Using boot clamp pliers, crimp it so that the clearance of the boot band crimping section becomes 2 mm (0.08 in) or less.
    NOTE: Use a new boot band.
    Fig 18: Installing Boot Band Using Boot Clamp Pliers
    G06652855Courtesy of SUBARU OF AMERICA, INC.
  35. Fix the boot end with small clip.
    Fig 19: Fixing Boot End With Small Clip
    G06652856Courtesy of SUBARU OF AMERICA, INC.
  36. After installing, check that the boot end is installed to the groove of the tie-rod.
  37. If the tie-rod end has been removed, screw in lock nut and tie-rod end to the screwed portion of tie-rod, and tighten the lock nut temporarily in a position as shown in the figure.

    Installed tie-rod length L: 

    24 mm (0.9 in) 

    Fig 20: Identifying Installed Tie-Rod Length
    G05032954Courtesy of SUBARU OF AMERICA, INC.
  38. Inspect the gearbox as follows:

    "A" Holding the tie-rod end, repeat lock to lock several times as quickly as possible.

    "B" Holding the tie-rod end, turn it slowly at a radius several times as large as possible.

    Finally, make sure that the boot is installed in the specified position without inflating.

    Fig 21: Inspecting Gearbox
    G05032955Courtesy of SUBARU OF AMERICA, INC.
  39. Remove the gearbox from ST.

    ST1 926200000 STAND

    ST2 34199AG000 BOSS D

  40. Attach the 4 pipes to the steering body and control valve housing.