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

Installation [05/2023 - ]: Procedure

  1. TEMPORARILY TIGHTEN REAR NO. 2 SUSPENSION ARM ASSEMBLY LH 
    1. GTY813393Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Insert the rear suspension arm attachment sub-assembly from the back of the vehicle. Then temporarily tighten the rear No. 2 suspension toe adjust plate and rear No. 2 suspension arm assembly LH with the nut.

    2. GTY835662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  2. TEMPORARILY TIGHTEN REAR STABILIZER LINK ASSEMBLY LH 
    1. Temporarily tighten the rear stabilizer link assembly LH to the rear No. 2 suspension arm assembly LH with the bolt and nut.
      GTY813394Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. CONNECT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH 
    1. Install the rear height control sensor sub-assembly LH to the rear No. 2 suspension arm assembly LH with the bolt.

      Torque: 5.4 N.m (55 kgf/cm, 48 in.lbf) 

      GTY813396Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. TEMPORARILY TIGHTEN LOWER CONTROL ARM ASSEMBLY LH 
    1. GTY835663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Insert the bolt from the back of the vehicle. Then temporarily tighten the lower control arm assembly LH with the nut.

    2. Temporarily tighten the lower control arm assembly LH with a new nut.
      GTY835639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. STABILIZE SUSPENSION 

    See step  7

  6. FULLY TIGHTEN LOWER CONTROL ARM ASSEMBLY LH 
    1. Fully tighten the lower control arm assembly LH with the bolt.

      Torque: 126 N.m (1285 kgf/cm, 93 ft.lbf) 

      NOTE:

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

      GTY835663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Fully tighten the nut.

      Torque: 118 N.m (1203 kgf/cm, 87 ft.lbf) 

      GTY835639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. FULLY TIGHTEN REAR NO. 2 SUSPENSION ARM ASSEMBLY LH 
    1. Fully tighten the rear No. 2 suspension arm assembly LH with the nut.

      Torque: 213 N.m (2172 kgf/cm, 157 ft.lbf) 

      GTY813393Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Fully tighten the nut.

      Torque: 165 N.m (1683 kgf/cm, 122 ft.lbf) 

      GTY835662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. FULLY TIGHTEN REAR STABILIZER LINK ASSEMBLY LH 
    1. Fully tighten the nut.

      Torque: 24 N.m (245 kgf/cm, 18 ft.lbf) 

      GTY813394Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL DIFFERENTIAL SUPPORT PROTECTOR NO. 2 

    Refer to PROCEDURE - Step 7

  10. INSTALL REAR WHEEL 

    Refer to INSTALLATION [05/2023 - ]

  11. INSPECT AND ADJUST REAR WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [05/2023 - ]

  12. ADJUST HEADLIGHT AIMING 

    Refer to ADJUSTMENT [03/2017 - ]

  13. PERFORM DYNAMIC REAR STEERING SYSTEM CALIBRATION (w/ Dynamic Rear Steering) 

    Refer to CALIBRATION [09/2018 - ]

  14. PERFORM INITIALIZATION 

    Refer to WORK PROCEDURE [05/2023 - ]

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