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Installation [12/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 550h+ and 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL REAR TRANSAXLE MOTOR COOLING COOLER 
    1. GTY1195667Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Coat 2 new O-rings with Toyota Genuine e-Transaxle Fluid TE and install them to the rear transaxle motor cooling cooler.
        NOTE:

        Ensure that the O-ring is not twisted.

      2. Using a T40 "TORX" socket wrench, install the rear transaxle motor cooling cooler to the rear transaxle with motor and inverter assembly with the 3 bolts.

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

        NOTE:

        Be careful not to damage the O-ring.

  2. CONNECT NO. 1 INVERTER COOLING HOSE ASSEMBLY (for HEV Model) 
    1. GTY1200242Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 120° (Claw of Clip Location) - -
      1. Connect the No. 1 inverter cooling hose assembly to the rear transaxle motor cooling cooler and slide the clip to secure it.
        NOTE:
        • Make sure to slide the No. 1 inverter cooling hose assembly until it contacts the hose stopper of the rear transaxle motor cooling cooler.
        • Make sure to align the paint mark of the No. 1 inverter cooling hose assembly with the paint mark of the rear transaxle motor cooling cooler.
        • Make sure that the claws of the clip are within the location shown in the illustration.
      2. Engage the clamp to connect the No. 1 inverter cooling hose assembly.
  3. CONNECT NO. 13 INVERTER COOLING HOSE (for PHEV Model) 
    1. GTY1238455Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 120° (Claw of Clip Location) - -
      1. Connect the No. 13 inverter cooling hose to the rear transaxle motor cooling cooler and slide the clip to secure it.
        NOTE:
        • Make sure to slide the No. 13 inverter cooling hose until it contacts the hose stopper of the rear transaxle motor cooling cooler.
        • Make sure to align the paint mark of the No. 13 inverter cooling hose with the paint mark of the rear transaxle motor cooling cooler.
        • Make sure that the claws of the clip are within the location shown in the illustration.
  4. CONNECT NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY 
    1. for HEV Model:
      GTY1200461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 120° (Claw of Clip Location) - -
      1. Connect the No. 1 transmission oil cooler hose assembly to the rear transaxle motor cooling cooler and slide the clip to secure it.
        NOTE:
        • Make sure to slide the No. 1 transmission oil cooler hose assembly until it contacts the hose stopper of the rear transaxle motor cooling cooler.
        • Make sure to align the paint mark of the No. 1 transmission oil cooler hose assembly with the paint mark of the rear transaxle motor cooling cooler.
        • Make sure that the claws of the clip are within the location shown in the illustration.
      2. Engage the clamp to connect the No. 1 transmission oil cooler hose assembly.
    2. for PHEV Model:
      GTY1229211Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 to 7 mm (0.0787 to 0.276 in.) *b Paint Mark
      *c 120° (Claw of Clip Location) - -
      1. Connect the No. 1 transmission oil cooler hose assembly to the rear transaxle motor cooling cooler and slide the clip to secure it.
        NOTE:
        • Make sure to slide the No. 1 transmission oil cooler hose assembly until it contacts the hose stopper of the rear transaxle motor cooling cooler.
        • Make sure to align the paint mark of the No. 1 transmission oil cooler hose assembly with the paint mark of the rear transaxle motor cooling cooler.
        • Make sure that the claws of the clip are within the location shown in the illustration.
      2. Engage the clamp to connect the No. 1 transmission oil cooler hose assembly.
  5. INSTALL REAR DRIVE SHAFT ASSEMBLY RH 

    Refer to INSTALLATION [12/2023 - ]

  6. ADD COOLANT (for Intercooler (T24A-FTS)) 

    Refer to PROCEDURE - Step 5

  7. ADD COOLANT (for Inverter (2GR-FXS)) 

    Refer to PROCEDURE - Step 2

  8. INSPECT FOR COOLANT LEAK (for Intercooler (T24A-FTS)) 

    Refer to PROCEDURE - Step 1

  9. INSPECT FOR COOLANT LEAK (for Inverter (2GR-FXS)) 

    Refer to PROCEDURE - Step 1

  10. INSTALL NO. 1 ENGINE UNDER COVER 

    for T24A-FTS:

    Refer to PROCEDURE - Step 82

    for 2GR-FXS:

    Refer to PROCEDURE - Step 81

  11. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH 
  12. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH 
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