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Home >> Lexus >> 2019 >> LS 500 Base, RWD >> Repair and Diagnosis >> Steering >> Steering Gear >> Steering Gear - Service Information >> STEERING GEAR (for AWD) >> 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 3 bolts and nut.

      Torque: 80 N.m (816 kgf/cm, 59 ft.lbf) 

      GTY809241Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a SST and union nut wrench, Connect the wire harness clamp to the rack and pinion power steering gear assembly with the nut.
      GTY776075Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length

      Specified tightening torque 

      Torque: 10 N.m (102 kgf/cm, 7 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 22 mm (0.866 in.)) + SST (fulcrum length of 150 mm (5.906 in.)) + torque wrench (fulcrum length of 300 mm (11.811 in.)): 6.4 N.m (65 kgf/cm, 57 in.lbf)
      1. 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 NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY 
    1. Align the matchmarks on the No. 2 steering intermediate shaft assembly with the matchmarks on the rack and pinion power steering gear assembly.
      GTY799032Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark
    2. Install the bolt.

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

      GTY822116Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL FRONT STABILIZER BAR 

    Refer to INSTALLATION [12/2017 - ]

  6. INSTALL TRANSMISSION OIL COOLER BRACKET 

    Refer to INSTALLATION [12/2017 - ]

  7. INSTALL STRUT BAR BRACKET SUPPORT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 180

  8. INSTALL FRONT SUSPENSION MEMBER BRACE 

    Refer to PROCEDURE - Step 181

  9. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 182

  10. INSTALL TRANSMISSION UNDER COVER 

    Refer to PROCEDURE - Step 183

  11. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 184

  12. INSTALL FRONT WHEELS 

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

  13. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 
  14. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

  15. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 11

  16. 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]

  17. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT 

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

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

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

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