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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension System (Front) - Service Information (1 Of 2) >> Front Upper Suspension 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 FRONT WHEEL 

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

  3. DISCONNECT STEERING KNUCKLE ASSEMBLY LH (for 2WD) 
    1. Support the lower No. 2 suspension arm assembly LH using a jack and wooden block.
      GTY831160Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      *b Jack
    2. Remove the 2 clips and 2 nuts.
      GTY799136Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install 2 SST (spacer B) onto the front upper 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. 09961-02060
      GTY810504Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Spacer B) *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 B) as the steering knuckle 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.
    4. Using SST, disconnect the steering knuckle assembly LH from the front upper No. 1 suspension arm 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.
    5. Install 2 SST (spacer B) onto the front upper No. 2 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. 09961-02060
      GTY819077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Spacer B) *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 B) as the steering knuckle 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.
    6. Using SST, disconnect the steering knuckle assembly LH from the front upper No. 2 suspension arm 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. DISCONNECT STEERING KNUCKLE ASSEMBLY LH (for AWD) 
    1. Support the front suspension lower arm assembly LH using a jack and wooden block.
      GTY821232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      *b Jack
    2. Remove the 2 clips and 2 nuts.
      GTY799926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install 2 SST (spacer B) onto the front upper 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. 09961-02060
      GTY807238Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Spacer B) *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 B) as the steering knuckle 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.
    4. Using SST, disconnect the steering knuckle assembly LH from the front upper No. 1 suspension arm 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.
    5. Install 2 SST (spacer B) onto the front upper No. 2 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. 09961-02060
      GTY820120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Spacer B) *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 B) as the steering knuckle 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.
    6. Using SST, disconnect the steering knuckle assembly LH from the front upper No. 2 suspension arm 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.
  5. REMOVE FRONT UPPER NO. 1 ARM BRACKET LH (for 2WD) 
    1. Remove the 3 bolts, front upper No. 1 arm bracket LH and front upper No. 1 suspension arm assembly LH.
      GTY799127Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE FRONT UPPER NO. 2 ARM BRACKET LH (for 2WD) 
    1. Remove the 3 bolts, front upper No. 2 arm bracket LH and front upper No. 2 suspension arm assembly LH.
      GTY799124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE FRONT UPPER NO. 1 ARM BRACKET LH (for AWD) 
    1. Remove the 3 bolts, front upper No. 1 arm bracket LH and front upper No. 1 suspension arm assembly LH.
      GTY799984Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE FRONT UPPER NO. 2 ARM BRACKET LH (for AWD) 
    1. Remove the 3 bolts, front upper No. 2 arm bracket LH and front upper No. 2 suspension arm assembly LH.
      GTY799985Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FRONT UPPER NO. 1 SUSPENSION ARM ASSEMBLY LH (for 2WD) 
    1. GTY813826Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt, nut and front upper No. 1 suspension arm assembly LH from the front upper No. 1 arm bracket LH.

  10. REMOVE FRONT UPPER NO. 2 SUSPENSION ARM ASSEMBLY LH (for 2WD) 
    1. GTY813832Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt, nut and front upper No. 2 suspension arm assembly LH from the front upper No. 2 arm bracket LH.

  11. REMOVE FRONT UPPER NO. 1 SUSPENSION ARM ASSEMBLY LH (for AWD) 
    1. Remove the bolt, nut and front upper No. 1 suspension arm assembly LH from the front upper No. 1 arm bracket LH.
      GTY799982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE FRONT UPPER NO. 2 SUSPENSION ARM ASSEMBLY LH (for AWD) 
    1. Remove the bolt, nut and front upper No. 2 suspension arm assembly LH from the front upper No. 2 arm bracket LH.
      GTY799989Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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