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Home >> Lexus >> 2019 >> LS 500 Base, RWD >> Repair and Diagnosis >> Steering >> Steering Gear >> Steering Gear - Service Information >> STEERING GEAR (for 2WD) >> Installation [10/2020 - 10/2023] >> Procedure

Installation [10/2020 - 10/2023]: Procedure

  1. INSTALL RACK AND PINION POWER STEERING GEAR ASSEMBLY 
    1. Install the rack and pinion power steering gear assembly with the 4 bolts and 4 nuts.

      Torque: 55 N.m (561 kgf/cm, 41 ft.lbf) 

      GTY803683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the wire harness clamp to the rack and pinion power steering gear assembly with the bolt and nut.
      GTY818515Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      bolt 

      Torque: 9.0 N.m (92 kgf/cm, 80 in.lbf) 

      nut 

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

    3. Connect the wire harness connector to the rack and pinion power steering gear assembly.

      HINT: 

      When connecting the connector with lock lever, return the lock lever to its original position and securely push in the lock of the lock lever as shown in the illustration.

  2. CONNECT TIE ROD ASSEMBLY LH 
    1. Connect the tie rod assembly LH to the front lower ball joint assembly with the nut.

      Torque: 60 N.m (612 kgf/cm, 44 ft.lbf) 

    2. Install a new clip.
      NOTE:

      Further tighten the nut up to 60° if the holes for the clip are not aligned.

  3. CONNECT TIE ROD ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  4. CONNECT STEERING SLIDING WITH SHAFT YOKE SUB-ASSEMBLY 
    1. Install the steering sliding with shaft yoke sub-assembly to the rack and pinion power steering gear assembly.
      NOTE:

      Align the matchmarks on the steering sliding with shaft yoke sub-assembly and rack and pinion power steering gear assembly.

      GTY813317Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark
    2. Using a SST and 12 mm union nut wrench, install the bolt (B).
      • SST: 09961-00950 

      Specified tightening torque 

      Torque: 35.3 N.m (360 kgf/cm, 26 ft.lbf) 

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [10/2020 - 10/2023]

      • When using a union nut wrench (fulcrum length of 20 mm (0.787 in.)) + SST (fulcrum length of 150 mm (5.906 in.)) + torque wrench (fulcrum length of 180 mm (7.087 in.)): 18.2 N.m (186 kgf/cm, 13 ft.lbf)
      GTY794288Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length
    3. Tighten the bolt (A).
  5. INSTALL STRUT BAR BRACKET SUPPORT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 185

  6. INSTALL FRONT SUSPENSION MEMBER BRACE 

    Refer to PROCEDURE - Step 186

  7. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 187

  8. INSTALL TRANSMISSION UNDER COVER 

    Refer to PROCEDURE - Step 188

  9. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 189

  10. INSTALL FRONT WHEELS 

    Refer to INSTALLATION [12/2017 - 10/2023]

  11. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 
  12. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

  13. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 
  14. INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL 

    Refer to WORK PROCEDURE [10/2020 - 10/2022] , or refer to WORK PROCEDURE [10/2022 - 10/2023]

    HINT: 

    When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [10/2020 - 10/2023]

  15. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [10/2020 - 10/2023]

  16. ROTATION ANGLE SENSOR INITIALIZATION AND TORQUE SENSOR ZERO POINT CALIBRATION 

    Refer to CALIBRATION [12/2017 - 10/2023]

  17. PERFORM VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION (w/ VGRS) 

    Refer to CALIBRATION [12/2017 - 10/2023]

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