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Home >> Lexus >> 2021 >> LC 500 2D Convertible >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension System (Front) - Service Information (Convertible) >> Front Lower Suspension Arm >> Installation [05/2023 - ] >> Procedure

Installation [05/2023 - ]: Procedure

  1. TEMPORARILY TIGHTEN LOWER NO. 2 SUSPENSION ARM ASSEMBLY LH 
    1. Temporarily tighten the lower No. 2 suspension arm assembly LH to the steering knuckle assembly LH with the nut.
      GTY814095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY813924Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Insert the bolt from the back of the vehicle. Then temporarily tighten the lower No. 2 suspension arm assembly LH with the nut.

  2. CONNECT STEERING KNUCKLE ASSEMBLY LH 

    See step  5

  3. CONNECT TIE ROD ASSEMBLY LH 

    Refer to PROCEDURE - Step 9

  4. TEMPORARILY TIGHTEN FRONT SHOCK ABSORBER WITH COIL SPRING 
    1. Temporarily tighten the front shock absorber with coil spring to the lower No. 2 suspension arm assembly LH with the bolt and nut.
      NOTE:
      • Insert the bolt from the rear of the vehicle.
      • Because the nut has its own stopper, do not turn the nut. Tighten the bolt with the nut secured.
      GTY813903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. CONNECT FRONT STABILIZER LINK ASSEMBLY LH 

    See step  7

  6. CONNECT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH 

    See step  6

  7. INSTALL FRONT DISC LH 

    Refer to PROCEDURE - Step 4

  8. INSTALL DISC BRAKE CYLINDER ASSEMBLY LH 

    Refer to PROCEDURE - Step 5

  9. TEMPORARILY TIGHTEN FRONT LOWER SUSPENSION ARM ASSEMBLY LH 
    1. Insert the bolt from the back of the vehicle. Temporarily install the front lower suspension arm assembly LH with the nut.
      GTY813910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Temporarily tighten the front lower suspension arm assembly LH to the steering knuckle assembly LH with the nut.
      GTY813913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. STABILIZE SUSPENSION 

    See step  9

  11. FULLY TIGHTEN FRONT SHOCK ABSORBER WITH COIL SPRING 
    1. Fully tighten the front shock absorber with coil spring bolt.

      Torque: 110 N.m (1122 kgf/cm, 81 ft.lbf) 

      NOTE:

      Because the nut has its own stopper, do not turn the nut. Tighten the bolt with the nut secured.

  12. FULLY TIGHTEN LOWER NO. 2 SUSPENSION ARM ASSEMBLY LH 
    1. Tighten the installation bolt of the lower No. 2 suspension arm assembly LH.

      Torque: 130 N.m (1326 kgf/cm, 96 ft.lbf) 

    2. Tighten the installation nut of the steering knuckle assembly LH.

      Torque: 145 N.m (1479 kgf/cm, 107 ft.lbf) 

      NOTE:

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

    3. Install a new clip.
  13. FULLY TIGHTEN FRONT LOWER SUSPENSION ARM ASSEMBLY LH 
    1. Tighten the installation nut of the front lower suspension arm assembly LH.

      Torque: 130 N.m (1326 kgf/cm, 96 ft.lbf) 

    2. Tighten the installation nut of the steering knuckle assembly LH.

      Torque: 145 N.m (1479 kgf/cm, 1283 in.lbf) 

      NOTE:

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

    3. Install a new clip.
  14. INSTALL REAR LOWER ARM MOUNTING REINFORCEMENT SUB-ASSEMBLY LH 
    1. Install the rear lower arm mounting reinforcement sub-assembly LH with the 4 bolts.
      GTY955087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Bolt A 

      Torque: 19 N.m (194 kgf/cm, 14 ft.lbf) 

      Bolt B 

      Torque: 26 N.m (265 kgf/cm, 19 ft.lbf) 

  15. INSTALL ENGINE SIDE COVER LH 
    1. Install the engine side cover LH with the 4 clips and clamp.
      GTY782121Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 141

  17. INSTALL FRONT SUSPENSION MEMBER BRACE SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 142

  18. INSTALL FRONT SUSPENSION MEMBER BRACE SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 143

  19. INSTALL FRONT FENDER SEAL LH 

    Refer to PROCEDURE - Step 22

  20. INSTALL FRONT FENDER SEAL RH 

    Refer to PROCEDURE - Step 21

  21. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 146

  22. INSTALL FRONT WHEEL 

    Refer to INSTALLATION [05/2023 - ]

  23. CONNECT BRAKE BOOSTER PUMP CONNECTOR 

    Refer to PROCEDURE - Step 6

  24. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [05/2023 - ]

  25. ADJUST HEADLIGHT AIMING 

    Refer to ADJUSTMENT [07/2020 - ]

  26. PERFORM INITIALIZATION 

    Refer to WORK PROCEDURE [05/2023 - ]

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