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Home >> Lexus >> 2018 >> LS 500h AWD >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension System (Front) - Service Information (2 Of 2) >> FRONT LOWER SUSPENSION ARM (for 2WD) >> 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. DISCONNECT BRAKE BOOSTER PUMP CONNECTOR 

    Refer to PROCEDURE - Step 3 [10/2017 - 09/2018] , or refer to PROCEDURE - Step 3 [09/2018 - 10/2020]

  3. REMOVE FRONT WHEEL 

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

  4. REMOVE FRONT LOWER SUSPENSION ARM ASSEMBLY LH 
    1. Remove the clip and nut.
      GTY799111Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install 2 SST (spacer A) onto the front lower 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
      GTY819832Courtesy 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 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.
    3. Using SST, disconnect the front lower suspension arm assembly LH from the steering knuckle 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 bolt, nut and front lower suspension arm assembly LH.
      GTY814702Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
  5. DISCONNECT DISC BRAKE CYLINDER ASSEMBLY LH 

    Refer to PROCEDURE - Step 5

  6. REMOVE FRONT DISC LH 
  7. REMOVE TRANSMISSION UNDER COVER 

    Refer to PROCEDURE - Step 19 [10/2017 - 09/2018] , or refer to PROCEDURE - Step 19 [09/2018 - 09/2019] , or refer to PROCEDURE - Step 19 [09/2019 - 10/2020]

  8. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 
    1. Remove the 10 bolts, 4 screws, clip and No. 2 engine under cover assembly.
      GTY781882Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Screw
  9. REMOVE ENGINE SIDE COVER LH 
    1. Disconnect the clamp and 4 clips and remove the engine side cover LH.
      GTY799112Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE REAR LOWER ARM MOUNTING REINFORCEMENT SUB-ASSEMBLY LH 
    1. Remove the 4 bolts and rear lower arm mounting reinforcement sub-assembly LH.
      GTY799163Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. DISCONNECT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 7

  12. DISCONNECT FRONT STABILIZER LINK ASSEMBLY LH 

    Refer to PROCEDURE - Step 6

  13. DISCONNECT FRONT SHOCK ABSORBER ASSEMBLY LH (w/o Air Suspension) 
    1. Remove the bolt and nut, and separate the front shock absorber assembly LH from the lower No. 2 suspension arm assembly LH.
      NOTE:

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

      GTY788476Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
  14. DISCONNECT FRONT PNEUMATIC CYLINDER WITH SHOCK ABSORBER ASSEMBLY LH (w/ Air Suspension) 

    HINT: 

    Perform the same procedure as for the front shock absorber assembly LH.

  15. DISCONNECT TIE ROD ASSEMBLY LH 

    Refer to PROCEDURE - Step 14 [10/2017 - 09/2018] , or refer to PROCEDURE - Step 14 [09/2018 - 10/2020]

  16. DISCONNECT STEERING KNUCKLE ASSEMBLY LH 

    Refer to PROCEDURE - Step 3

  17. REMOVE LOWER NO. 2 SUSPENSION ARM ASSEMBLY LH 
    1. Remove the bolt, nut and lower No. 2 suspension arm assembly LH.
      GTY805462Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    2. Remove the clip and nut.
      GTY814095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install SST (attachment) onto the lower No. 2 suspension arm assembly LH so that there is a space of approximately 2 mm (0.0787 in.) between the arm and attachment.
      • SST: 09628-50010 
        1. 09628-05010
      GTY819790Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 mm (0.0787 in.) - -
      NOTE:
      • Make sure to install the attachment (SST attachment) as the lower No. 2 suspension arm assembly LH spacer may shift.
      • As SST may become damaged, make sure the space between the arm and spacers is not 2 mm (0.0787 in.) or less.
    4. Using SST, disconnect the lower No. 2 suspension arm assembly LH from the steering knuckle assembly LH.
      • SST: 09628-50010 
        1. 09628-05010
      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 crow are parallel.
      • Do not apply a torque of 160 N.m (1631 kgf/cm, 118 ft.lbf) or more to SST as it may be damaged.
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