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Home >> Lexus >> 2024 >> RX 350h Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Hybrid Transaxle System (Pc60) - Service Information) >> Valve Body Assembly >> Removal [10/2022 - ] >> Procedure

Removal [10/2022 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus RX 500h, 2024 Lexus RX 500h, and 2023 Lexus RX 500h. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 7

  2. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH 

    Refer to PROCEDURE - Step 8

  3. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 9

  4. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 10

  5. REMOVE FRONT FENDER APRON SEAL LH 

    Refer to PROCEDURE - Step 11

  6. DRAIN HYBRID TRANSAXLE FLUID 
    1. GTY1127901Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Overflow Plug *2 Gasket
      *3 No. 1 Transmission Oil Filler Tube - -
      1. Using a 10 mm hexagon socket wrench, remove the overflow plug and gasket from the transaxle assembly with motor and inverter.
      2. Using a 6 mm hexagon socket wrench, remove the No. 1 transmission oil filler tube from the transaxle assembly with motor and inverter and drain the hybrid transaxle fluid.
      3. Using a 6 mm hexagon socket wrench, install the No. 1 transmission oil filler tube to the transaxle assembly with motor and inverter.

        Torque: 0.8 N.m (8 kgf/cm, 7 in.lbf) 

      4. Using a 10 mm hexagon socket wrench, temporarily install the gasket and overflow plug to the transaxle assembly with motor and inverter.

        HINT: 

        Gasket replacement and tightening of the overflow plug are performed after the hybrid transaxle fluid level is adjusted.

  7. REMOVE MOTOR COOLING COOLER 

    Refer to REMOVAL [10/2022 - ] 

  8. REMOVE INVERTER WATER PUMP ASSEMBLY(with Motor) 

    Refer to REMOVAL [10/2022 - ]

  9. DISCONNECT ENGINE WIRE 
    1. GTY1123854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE HV WATER PUMP BRACKET 

    See step  14

  11. REMOVE NO. 1 TRANSMISSION OIL COOLER BRACKET 
    1. GTY1128012Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 4 bolts and No. 1 transmission oil cooler bracket from the transaxle assembly with motor and inverter.
      2. Using a T40 "TORX" socket wrench, remove the 2 plugs and 2 O-rings from the No. 1 transmission oil cooler bracket.
      3. Remove the 2 O-rings from the No. 1 transmission oil cooler bracket.
  12. REMOVE AUTOMATIC TRANSMISSION CASE COVER 
    1. GTY1124124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE TRANSMISSION VALVE BODY ASSEMBLY 
    1. GTY1123799Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using a screwdriver, disconnect the 14 solenoid valve connectors of each of the solenoid valves as shown in the illustration.
        NOTE:

        Do not damage the solenoid valves or solenoid valve connectors.

      2. Disconnect the temperature sensor connector.
      3. Disengage the 2 clamps.
    2. GTY1122560Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt Gasket and Oil Seal Ring
      Gasket - -
      1. Remove the 10 bolts and transmission valve body assembly from the transmission case sub-assembly.
      2. Remove the 5 gaskets and 2 oil seal rings from the transmission case sub-assembly.