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Home >> Lexus >> 2018 >> LS 500h RWD >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension System (Rear) - Service Information (1 Of 2) >> Rear Upper Arm >> Removal [10/2017 - 10/2020] >> Procedure

Removal [10/2017 - 10/2020]: Procedure

  1. AIR SUSPENSION CONTROL PROHIBITED (w/ Air Suspension) 

    Refer to PRECAUTION [10/2017 - ]

  2. REMOVE REAR WHEEL 

    Refer to REMOVAL [10/2017 - 10/2023]

  3. REMOVE REAR NO. 1 SUSPENSION ARM ASSEMBLY LH 
    1. Remove the nut.
      GTY834342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install 2 SST (spacer A) onto the rear No. 1 suspension arm assembly LH so that there is a space of approximately 1 mm (0.0394 in.) between the arm and spacers.
      • SST: 09960-20010 
        1. 09961-02050
      GTY795171Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Spacer A) *b 1 mm (0.0394 in.)
      *c Spacer *d Center Nut
      *e Body *f Claw
      *g Parallel *h String
      NOTE:
      • Make sure to install the spacers (SST spacer A) as the rear axle carrier sub-assembly LH spacer may shift.
      • As SST may become damaged, make sure the space between the arm and spacers is not 1 mm (0.0394 in.) or less.
    3. Using SST, disconnect the rear No. 1 suspension arm assembly LH from the rear axle carrier sub-assembly LH.
      • SST: 09960-20010 
        1. 09961-02010
      NOTE:
      • Apply molybdenum grease to the bolt threads and end of the SST bolt.
      • Do not damage the dust cover.
      • As the dust cover may be damaged, adjust SST with the center nut so that the body and claw are parallel.
      • Make sure to tie the string of SST to the vehicle to prevent SST from dropping.
    4. Remove the nut, washer, bolt and rear No. 1 suspension arm assembly LH from the rear suspension member sub-assembly.
      GTY822579Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
  4. REMOVE REAR SHOCK ABSORBER WITH COIL SPRING LH (w/o Air Suspension) 

    Refer to REMOVAL [10/2017 - 10/2020] 

  5. REMOVE REAR PNEUMATIC CYLINDER WITH SHOCK ABSORBER ASSEMBLY LH (w/ Air Suspension) 

    Refer to REMOVAL [10/2017 - 10/2020] 

  6. REMOVE REAR UPPER CONTROL ARM ASSEMBLY LH 
    1. Remove the nut.
      GTY807759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install 2 SST (spacer A) onto the rear upper control arm assembly LH so that there is a space of approximately 1 mm (0.0394 in.) between the arm and spacers.
      • SST: 09960-20010 
        1. 09961-02050
      GTY829220Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Spacer A) *b 1 mm (0.0394 in.)
      *c Spacer *d Center Nut
      *e Body *f Claw
      *g Parallel *h String
      NOTE:
      • Make sure to install the spacers (SST spacer A) as the rear axle carrier sub-assembly LH spacer may shift.
      • As SST may become damaged, make sure the space between the arm and spacers is not 1 mm (0.0394 in.) or less.
    3. Using SST, disconnect the rear upper control arm assembly LH from the rear axle carrier sub-assembly LH.
      • SST: 09960-20010 
        1. 09961-02010
      NOTE:
      • Apply molybdenum grease to the bolt threads and end of the SST bolt.
      • Do not damage the dust cover.
      • As the dust cover may be damaged, adjust SST with the center nut so that the body and claw are parallel.
      • Make sure to tie the string of SST to the vehicle to prevent SST from dropping.
    4. Remove the nut, washer, bolt and rear upper control arm assembly LH.
      GTY791058Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
      NOTE:

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

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