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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 Pneumatic Cylinder >> Installation [10/2020 - 10/2023] >> Procedure

Installation [10/2020 - 10/2023]: Procedure

  1. TEMPORARILY TIGHTEN REAR PNEUMATIC CYLINDER WITH SHOCK ABSORBER ASSEMBLY LH 
    1. When reusing the rear pneumatic cylinder with shock absorber assembly LH:
      1. Install 2 new O-rings, a new plate and new No. 2 connector to the front pneumatic cylinder with shock absorber assembly LH.

        Refer to PRECAUTION [10/2017 - ]

    2. Temporarily tighten the washer and rear pneumatic cylinder with shock absorber assembly LH with a new nut.
      GTY833937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Temporarily tighten the rear pneumatic cylinder with shock absorber assembly LH with the 3 nuts.
      GTY805899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      If the nut is hard to see, use a mirror.

  2. CONNECT NO. 7 HEIGHT CONTROL TUBE 
    1. Connect the No. 7 height control tube to the rear pneumatic cylinder with shock absorber assembly LH.
      GTY805564Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to PRECAUTION [10/2017 - ]

  3. CONNECT SKID CONTROL SENSOR WIRE LH 
    1. Install the skid control sensor wire LH with the nut.

      Torque: 6.0 N.m (61 kgf/cm, 53 in.lbf) 

      GTY805575Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the connector.
  4. TEMPORARILY TIGHTEN REAR STABILIZER LINK ASSEMBLY LH 
    1. Temporarily tighten the rear stabilizer link assembly LH to the rear stabilizer bar with the nut.
      GTY805568Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Temporarily tighten the rear stabilizer link assembly LH to the rear No. 2 suspension arm assembly LH with the bolt and nut.
      GTY805574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. AIR MOVEMENT (WHEN REPLACING A REAR PNEUMATIC CYLINDER) 

    HINT: 

    Move the air pressure according to the instructions on the Techstream.

    Refer to PROCEDURE - Step 1 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 2 [11/2021 - 10/2022] , or refer to PROCEDURE - Step 2 [10/2022 - 10/2023]

  6. AIR MOVEMENT (WHEN REPLACING THE 2 REAR PNEUMATIC CYLINDERS) 

    HINT: 

    Move the air pressure according to the instructions on the Techstream.

    Refer to PROCEDURE - Step 2 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 2 [11/2021 - 10/2022] , or refer to PROCEDURE - Step 2 [10/2022 - 10/2023]

  7. STABILIZE SUSPENSION 

    See step  4

  8. TIGHTEN REAR PNEUMATIC CYLINDER WITH SHOCK ABSORBER ASSEMBLY LH 
    1. Fully tighten the nut.

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

      GTY833937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Fully tighten the 2 nuts A.

      Torque: 40 N.m (408 kgf/cm, 30 ft.lbf) 

      GTY800729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length

      HINT: 

      If the nut is hard to see, use a mirror.

    3. Using SST, fully tighten the nut B.
      • SST: 09249-37010 

      Specified tightening torque 

      Torque: 40 N.m (408 kgf/cm, 30 ft.lbf) 

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [10/2020 - 11/2021] , or refer to PRECAUTION [11/2021 - 10/2023]

      • When using SST (fulcrum length of 100 mm (3.937 in.)) + torque wrench (fulcrum length of 180 mm (7.087 in.)): 25.7 N.m (262 kgf/cm, 19 ft.lbf)
      • If the nut is hard to see, use a mirror.
  9. INSTALL REAR SHOCK ABSORBER CAP LH 
    1. Install the rear shock absorber cap LH.
      GTY805902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. TIGHTEN REAR STABILIZER LINK ASSEMBLY LH 
    1. Fully tighten the nut.

      HINT: 

      If the ball joint turns together with the nut, use a 6 mm hexagon wrench to hold the stud bolt.

      Torque: 89 N.m (908 kgf/cm, 66 ft.lbf) 

      GTY805568Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Fully tighten the nut.

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

      GTY805574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. CHECK CONNECTIONS OF TUBES FOR AIR LEAKAGE 
    1. Install the rear wheel RH.

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

    2. Check the connections of the tubes for air leakage.

      Refer to OPERATION CHECK [10/2017 - ]

    3. Remove the rear wheel RH.

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

  12. INSTALL REAR WHEEL HOUSE LINER LH 

    HINT: 

    Use the same procedure for the RH and LH sides.

    Refer to PROCEDURE - Step 4

  13. INSTALL ROCKER PANEL MOULDING PROTECTOR LH 

    Refer to PROCEDURE - Step 1

  14. INSTALL REAR WHEEL 

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

  15. INSTALL PACKAGE TRAY TRIM SIDE COVER LH 

    Refer to PROCEDURE - Step 22 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 22 [11/2021 - 10/2023]

  16. INSTALL NO. 1 CENTER SPEAKER GRILLE SUB-ASSEMEBLY 

    Refer to PROCEDURE - Step 3 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 3 [11/2021 - 10/2023]

  17. INSTALL PACKAGE TRAY TRIM GARNISH LH 

    Refer to PROCEDURE - Step 24 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 24 [11/2021 - 10/2023]

  18. INSTALL PACKAGE TRAY TRIM GARNISH RH 

    HINT: 

    Use the same procedure described for the LH side.

  19. INSPECT AND ADJUST REAR WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [10/2020 - 10/2023]

  20. INSPECT AND ADJUST VEHICLE HEIGHT 

    Refer to ADJUSTMENT [10/2020 - 10/2023]

  21. CHECK HEIGHT CHANGE OPERATION 

    Refer to OPERATION CHECK [10/2017 - ]

  22. PERFORM INITIALIZATION 

    Refer to WORK PROCEDURE [10/2020 - 11/2021] , or refer to WORK PROCEDURE [11/2021 - 10/2022] , or refer to WORK PROCEDURE [10/2022 - 10/2023]

  23. ADJUST HEADLIGHT AIMING 

    Refer to ADJUSTMENT [10/2020 - ]

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