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Installation [09/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL TRANSMISSION VALVE BODY ASSEMBLY 
    1. GTY1233424Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Gasket *2 Oil Seal Ring
      Bolt Gasket and Oil Seal Ring
      Gasket - -
      1. Coat 5 new gaskets and 2 new oil seal rings with Toyota Genuine ATF WS and install them to the automatic transaxle case sub-assembly.
      2. Install the transmission valve body assembly to the automatic transaxle case sub-assembly with the 10 bolts.

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

        NOTE:

        Take care that the transmission wire does not become trapped.

    2. GTY1124980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Engage the 2 clamps.
      2. Connect the temperature sensor connector.
      3. Connect the 14 solenoid valve connectors.
  2. INSTALL AUTOMATIC TRANSMISSION CASE COVER 
    1. Fig 1: Automatic Transmission Case Cover Tightening Sequence
      GTY1129045Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install a new transaxle case gasket to the automatic transmission case cover.
      2. Temporarily install the automatic transmission case cover to the automatic transaxle case sub-assembly with the 10 bolts.
      3. Tighten the 10 bolts in the order shown in the illustration.

        Torque: 6.8 N.m (69 kgf/cm, 60 in.lbf) 

  3. INSTALL NO. 1 TRANSMISSION OIL COOLER BRACKET 
    1. GTY1202180Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length - -
      1. Coat 2 new O-rings with Toyota Genuine ATF WS and install them to the No. 1 transmission oil cooler bracket.
      2. Coat 2 new O-rings with Toyota Genuine ATF WS, and using a T40 "TORX" socket wrench, install the 2 plugs and 2 O-rings to the No. 1 transmission oil cooler bracket.

        Torque: 39.2 N.m (400 kgf/cm, 29 ft.lbf) 

      3. Install the No. 1 transmission oil cooler bracket to the transaxle assembly with motor and inverter with the 3 bolts (A).

        Torque: 21 N.m (214 kgf/cm, 15 ft.lbf) 

      4. Using a 12 mm union nut wrench, install the bolt (B).

        Specified Tightening Torque 

        Torque: 21 N.m (214 kgf/cm, 15 ft.lbf) 

        HINT: 

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

          Refer to PRECAUTION [09/2023 - ]

        • When using a 12 mm union nut wrench (fulcrum length of 20 mm (0.787 in.)) + torque wrench 162 mm (6.38 in.)):

          18.7 N.m (191 kgf/cm, 14 ft.lbf)

  4. INSTALL HV WATER PUMP BRACKET 

    See step  18

  5. CONNECT ENGINE WIRE 

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

  6. INSTALL INVERTER WATER PUMP ASSEMBLY 

    Refer to INSTALLATION [09/2023 - ]

  7. INSTALL MOTOR COOLING COOLER 

    Refer to INSTALLATION [09/2023 - ] 

  8. ADD AND ADJUST HYBRID TRANSAXLE FLUID 

    Refer to ADJUSTMENT [09/2023 - ] 

  9. INSTALL FRONT FENDER APRON SEAL LH 

    Refer to PROCEDURE - Step 79

  10. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 81

  11. INSTALL SUSPENSION TOWER DAMPER 

    Refer to INSTALLATION [09/2023 - 12/2023] , or refer to INSTALLATION [12/2023 - ]

  12. PERFORM INITIALIZATION 

    Refer to INITIALIZATION [09/2023 - ]