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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Hybrid Transaxle System (Pc60) - Service Information >> Valve Body Assembly >> Removal [10/2022 - ] >> Procedure

Removal [10/2022 - ]: Procedure

  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.
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