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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension System (Rear) - Service Information (2 Of 2) >> REAR SUSPENSION MEMBER (for PHEV Model) >> Installation [12/2023 - ] >> Procedure

Installation [12/2023 - ]: Procedure

  1. INSTALL HOLE PLUG 
    1. GTY1198225Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the 12 hole plugs to the rear suspension member sub-assembly.

        HINT: 

        There are 3 different shapes of hole plug.

  2. INSTALL WIRE HARNESS CLAMP BRACKET 

    Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  3. INSTALL REAR MOTOR MOUNTING INSULATOR 
    1. GTY1128636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear suspension member sub-assembly - -
      *a -3° to 3° *b 16.3 to 17.3 mm (0.642 to 0.681 in.)
      *c Turn *d Hold
      Front of vehicle Right of the vehicle
      Turning Direction - -
      1. Using SST, install a new rear motor mounting insulator to the rear suspension member sub-assembly from the rear of the vehicle as shown in the illustration.
        • SST: 09316-12010 
        • SST: 09570-24011 
        NOTE:
        • Install so that the protrusions are in the positions shown in the figure.
        • Make sure that the differential mount cushion is aligned within 3° from the center.
        • Temporarily install the rear motor mounting insulator to the rear suspension member sub-assembly so that it is not tilted, and then install SST.
        • Apply oils and fats to the threads of SST bolts before use.
        • Make sure you have the correct combination of SST.
        • Check that SST contacts the entire seat surface of the rear motor mounting insulator.
        • Install the SST so that the SST bolt do not tilt.
  4. TEMPORARILY INSTALL REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION LH 
    1. GTY1126933Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View from top - -
      Front of the vehicle Right of the vehicle
      1. Temporarily attach a new rear suspension member front body mounting cushion LH to the rear suspension member sub-assembly in the direction shown in the figure.
        NOTE:
        • The rear suspension member front body mounting cushion LH is installed in the correct direction.
        • Do not apply lubricant to the outer sleeve of the rear suspension member front body mounting cushion LH.
  5. INSTALL REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION LH 
    1. GTY1128217Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turn *b Hold
      1. Install the SST as shown.
        • SST: 09830-10010 
          1. 09830-01010
          2. 09830-01020
          3. 09830-01040
          4. 09830-01050
        • SST: 09570-24011 
        NOTE:

        Before using SST, apply molybdenum grease to the center bolt of SST.

      2. Using SST, press the rear suspension member front body mounting cushion LH into the rear suspension member sub-assembly until there is no gap at the position shown in the illustration.
        • SST: 09830-10010 
          1. 09830-01010
          2. 09830-01020
          3. 09830-01040
          4. 09830-01050
        • SST: 09570-24011 
        NOTE:

        If the rear suspension member sub-assembly is scratched, apply chassis black to the scratched areas.

  6. TEMPORARILY INSTALL REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION RH 
    1. GTY1123363Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View from top - -
      Front of the vehicle Right of the vehicle
      1. Temporarily attach a new rear suspension member front body mounting cushion RH to the rear suspension member sub-assembly in the direction shown in the figure.
        NOTE:
        • The rear suspension member front body mounting cushion RH is installed in the correct direction.
        • Do not apply lubricant to the outer sleeve of the rear suspension member front body mounting cushion RH.
  7. INSTALL REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION RH 
  8. TEMPORARILY INSTALL REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION LH 
    1. GTY1124896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View from underneath - -
      Front of the vehicle Right of the vehicle
      1. Confirm the installation direction and temporarily install a new rear suspension member rear body mount cushion LH.
        NOTE:
        • Position the rear suspension member rear body mount cushion LH in the correct direction.
        • Do not apply lubricant to the outer sleeve of the rear suspension member rear body mount cushion LH.
  9. INSTALL REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION LH 
    1. GTY1126394Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turn *b Hold
      1. Install the SST as shown.
        • SST: 09710-28031 
          1. 09711-02030
          2. 09711-02040
          3. 94622-51200
        • SST: 09950-60021 
          1. 09951-00720
          2. 09951-00890
        NOTE:

        Before using SST, apply molybdenum grease to the center bolt of SST.

      2. Using SST, press the rear suspension member rear body mount cushion LH into the rear suspension member sub-assembly until there is no gap in the position shown.
        • SST: 09710-28031 
          1. 09711-02030
          2. 09711-02040
          3. 94622-51200
        • SST: 09950-60021 
          1. 09951-00720
          2. 09951-00890
        NOTE:

        If the rear suspension member sub-assembly is scratched, apply chassis black to the scratched areas.

  10. TEMPORARILY INSTALL REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION RH 
    1. GTY1127751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View from underneath - -
      Front of the vehicle Right of the vehicle
      1. Confirm the installation direction and temporarily install a new rear suspension member rear body mount cushion RH.
        NOTE:
        • Position the rear suspension member rear body mount cushion RH in the correct direction.
        • Do not apply lubricant to the outer sleeve of the rear suspension member rear body mount cushion RH.
  11. INSTALL REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION RH 
  12. INSTALL REAR LOWER REAR SUSPENSION MEMBER STOPPER 
  13. INSTALL REAR SUSPENSION MEMBER LOWER STOPPER RETAINER LH 
  14. INSTALL REAR SUSPENSION MEMBER LOWER STOPPER RETAINER RH 
  15. INSTALL REAR UPPER NO. 2 CONTROL ARM ASSEMBLY LH 
    Refer to PROCEDURE - Step 1
  16. INSTALL REAR UPPER NO. 2 CONTROL ARM ASSEMBLY RH 
  17. INSTALL REAR UPPER CONTROL ARM ASSEMBLY LH 
    Refer to PROCEDURE - Step 2
  18. INSTALL REAR UPPER CONTROL ARM ASSEMBLY RH 
  19. INSTALL REAR TRANSAXLE WITH MOTOR AND INVERTER ASSEMBLY 
    Refer to PROCEDURE - Step 13
  20. CONNECT FRAME WIRE 

    Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  21. INSTALL REAR SUSPENSION MEMBER SUB-ASSEMBLY 
    1. GTY1229078Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Engine Lifter *b Attachment
      Attachment and Wooden Block Placement Location - -
      1. Using an engine lifter and 4 attachments or equivalent tools, support the rear suspension member sub-assembly as shown in the illustration.
        WARNING:
        • The rear suspension member sub-assembly is a very heavy component. Make sure that it is supported securely.
        • If the rear suspension member sub-assembly is not securely supported, it may drop, resulting in serious injury.
        GTY1127482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE:
        • Use attachments or equivalent tools to keep the rear suspension member sub-assembly level.
        • Keep supporting the rear suspension member sub-assembly until the installation has been completed.
      2. Raise the rear suspension member sub-assembly until there is no clearance between the rear suspension member sub-assembly and vehicle.
      3. Install the rear suspension member sub-assembly with the rear suspension member rear lower brace LH and rear suspension member rear lower brace RH, 2 bolts and 6 nuts.

        BOLT A 

        Torque: 175 N.m (1785 kgf/cm, 129 ft.lbf) 

        NUT B 

        Torque: 175 N.m (1785 kgf/cm, 129 ft.lbf) 

        NUT C 

        Torque: 18 N.m (184 kgf/cm, 13 ft.lbf) 

        NUT D 

        Torque: 18 N.m (184 kgf/cm, 13 ft.lbf) 

  22. CONNECT INVERTER COOLING HOSE ASSEMBLY 
    1. GTY1238637Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint mark *b 2 to 7 mm (0.079 to 0.276 in.)
      *c 44.7° *d 43.8°
      *e 60° *f 120°
      *g Upper of the vehicle *h Left of the vehicle
      1. Connect the 2 inverter cooling hose assemblies to the inverter cooling pipe and secure them with the clip.
        NOTE:
        • Insert the inverter cooling hose assembly until it contacts the hose stopper of the inverter cooling pipe.
        • The hose clip claw position must be within the range shown in the illustration.
  23. CONNECT FRAME WIRE 

    Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  24. TEMPORARILY INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY LH 
    Refer to PROCEDURE - Step 2
  25. TEMPORARILY INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY RH 
  26. INSTALL REAR STABILIZER BAR 
    Refer to PROCEDURE - Step 1
  27. INSTALL REAR DRIVE SHAFT ASSEMBLY LH 

    Refer to INSTALLATION [12/2023 - ]

  28. INSTALL REAR DRIVE SHAFT ASSEMBLY RH 
  29. CONNECT FLOOR UNDER WIRE 
    Refer to PROCEDURE - Step 8
  30. CONNECT NO. 3 HIGH VOLTAGE FLOOR UNDER WIRE 
    Refer to PROCEDURE - Step 9
  31. INSTALL JUNCTION BLOCK COVER 
    Refer to PROCEDURE - Step 10
  32. INSTALL CHARCOAL CANISTER BASE BRACKET 

    Refer to PROCEDURE - Step 11

  33. INSTALL CHARCOAL CANISTER ASSEMBLY 

    Refer to INSTALLATION [12/2023 - ]

  34. INSTALL DECK TRIM SIDE PANEL ASSEMBLY LH 
  35. INSTALL ROPE HOOK ASSEMBLY (for LH Side) 
  36. INSTALL ROPE HOOK (for LH Side) 
  37. INSTALL NO. 1 LUGGAGE COMPARTMENT TRIM HOOK (for LH Side) 
  38. INSTALL DECK TRIM POCKET COVER (for LH Side) 
  39. CONNECT REAR NO. 2 SEAT OUTER BELT ASSEMBLY LH 

    Refer to PROCEDURE - Step 9

  40. INSTALL DECK SIDE TRIM COVER LH 
  41. CONNECT REAR SEAT OUTER BELT ASSEMBLY LH 

    Refer to PROCEDURE - Step 11

  42. INSTALL CENTER PILLAR LOWER GARNISH BELT HOLE COVER LH 
  43. INSTALL REAR DOOR OPENING TRIM WEATHERSTRIP LH 
    Refer to PROCEDURE - Step 1
  44. INSTALL DECK TRIM SIDE PANEL ASSEMBLY RH 
  45. INSTALL ROPE HOOK ASSEMBLY (for RH Side) 
  46. INSTALL ROPE HOOK (for RH Side) 
  47. INSTALL NO. 1 LUGGAGE COMPARTMENT TRIM HOOK (for RH Side) 
  48. INSTALL DECK TRIM POCKET COVER (for RH Side) 
  49. CONNECT REAR NO. 2 SEAT OUTER BELT ASSEMBLY RH 
    1. Use the same procedure as for the LH side.
  50. INSTALL DECK SIDE TRIM COVER RH 
  51. CONNECT REAR SEAT OUTER BELT ASSEMBLY RH 
    1. Use the same procedure as for the LH side.
  52. INSTALL CENTER PILLAR LOWER GARNISH BELT HOLE COVER RH 
  53. INSTALL REAR DOOR OPENING TRIM WEATHERSTRIP RH 
    1. Use the same procedure as for the LH side.
  54. INSTALL REAR FLOOR FINISH PLATE 
  55. INSTALL REAR DOOR SCUFF PLATE LH 
  56. INSTALL REAR OUTER SEAT TRACK BRACKET COVER LH 
  57. INSTALL REAR DOOR SCUFF PLATE RH 
  58. INSTALL REAR OUTER SEAT TRACK BRACKET COVER RH 
  59. INSTALL REAR NO. 2 SEAT ASSEMBLY 

    Refer to INSTALLATION [12/2023 - ]

  60. INSTALL REAR NO. 1 SEAT ASSEMBLY 
  61. INSTALL REAR CONSOLE BOX ASSEMBLY 
  62. INSTALL TAIL EXHAUST PIPE ASSEMBLY 

    Refer to PROCEDURE - Step 6

  63. INSTALL REAR BUMPER SIDE SEAL LH 
  64. INSTALL REAR BUMPER SIDE SEAL RH 
  65. INSTALL NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 81

  66. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH 
  67. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH 
  68. INSTALL SERVICE PLUG GRIP 

    Refer to INSTALLATION [12/2023 - ]

  69. ADD COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 2

  70. INSPECT FOR COOLANT LEAK (for Inverter) 

    Refer to PROCEDURE - Step 3

  71. INSPECT FOR EXHAUST GAS LEAK 

    Refer to INITIALIZATION [12/2023 - ]

  72. INSPECT AND ADJUST REAR WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [12/2023 - ]

  73. PERFORM INITIALIZATION 
    Parking Assist Monitor System Refer to CALIBRATION [09/2023 - ]
    Panoramic View Monitor System Refer to CALIBRATION [09/2023 - ]
    Advanced Park Refer to CALIBRATION [09/2023 - ]
    Lighting System (w/ Automatic Headlight Beam Level Control System) Refer to INITIALIZATION [09/2023 - ]