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Home >> Lexus >> 2023 >> ES 300h Base >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Hybrid Transaxle System (P710) - Service Information >> Hybrid Vehicle Transaxle >> Removal [09/2022 - ] >> Procedure

Removal [09/2022 - ]: Procedure

  1. PERFORM RESOLVER INITIALIZATION 
    NOTE:

    If it is necessary to replace the hybrid vehicle transaxle assembly, make sure to perform resolver initialization before starting work.

    for Nickel Metal Hydride Battery: Refer to UTILITY [06/2018 - ]

    for Lithium-ion Battery: Refer to UTILITY [08/2020 - ]

  2. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE 

    Refer to REMOVAL [09/2022 - ]

  3. REMOVE FUEL DELIVERY GUARD 

    Refer to PROCEDURE - Step 38

  4. INSTALL ENGINE HANGERS 

    Refer to PROCEDURE - Step 40

  5. REMOVE STEERING GEAR HEAT INSULATOR 

    Refer to PROCEDURE - Step 15

  6. DISCONNECT ENGINE WIRE 
    1. Remove the 2 bolts.
      GTY779004Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 5 clamps.
    3. Disconnect the wire harness connector from the rack and pinion power steering gear assembly.

      HINT: 

      Release the lock before rotating the lock lever.

      GTY741288Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 bolts and separate the wire harness from the rack and pinion power steering gear assembly.
  7. DISCONNECT HV AIR CONDITIONING WIRE 
    1. Remove the bolt.
      GTY747656Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the guide to disconnect the HV air conditioning wire from the hybrid vehicle transaxle assembly.
  8. REMOVE STARTER HOLE INSULATOR 
    1. Remove the 2 bolts and starter hole insulator from the engine assembly.
      GTY747657Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FLYWHEEL HOUSING SIDE COVER 
    1. Remove the flywheel housing side cover from the engine assembly.
      GTY747655Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE FRONT FRAME ASSEMBLY 

    Refer to PROCEDURE - Step 7

  11. REMOVE FRONT ENGINE MOUNTING INSULATOR 
    1. Remove the bolt and front engine mounting insulator from the front engine mounting bracket.
      GTY747659Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE FRONT ENGINE MOUNTING BRACKET 
    1. Remove the 3 bolts and front engine mounting bracket from the hybrid vehicle transaxle assembly.
      GTY747660Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE REAR ENGINE MOUNTING INSULATOR 

    Refer to PROCEDURE - Step 46

  14. REMOVE REAR ENGINE MOUNTING BRACKET 
    1. Remove the 4 bolts and rear engine mounting bracket from the hybrid vehicle transaxle assembly.
      GTY747658Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE HYBRID VEHICLE TRANSAXLE ASSEMBLY 
    1. Remove the 8 bolts and hybrid vehicle transaxle assembly from the engine assembly.
      GTY770091Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • To avoid damaging the knock pins, do not pry between the hybrid vehicle transaxle assembly and engine assembly.
      • To prevent the splines of the transmission input damper assembly from becoming misaligned, do not allow the hybrid vehicle transaxle assembly to hit the transmission input damper assembly during hybrid vehicle transaxle assembly removal and installation.
  16. REMOVE MOTOR CABLE 

    See step  2

  17. REMOVE MOTOR COOLING COOLER 

    See step  9

  18. REMOVE NO. 1 TRANSMISSION CONTROL CABLE BRACKET 
    1. Remove the 2 bolts and No. 1 transmission control cable bracket from the hybrid vehicle transaxle assembly.
      GTY779006Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE HOSE BRACKET 
    1. Remove the 2 bolts and hose bracket from the hybrid vehicle transaxle assembly.
      GTY747716Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE TRANSMISSION WIRE 
    1. Disconnect the connector.
      GTY779007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and transmission wire from the hybrid vehicle transaxle assembly.
  21. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. Remove the 4 bolts and 4 wire harness clamp brackets from the hybrid vehicle transaxle assembly.
      GTY779008Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE TRANSAXLE HOUSING PLUG 
    1. Remove the transaxle housing plug and gasket from the hybrid vehicle transaxle assembly.
      GTY770101Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE STUD BOLT 
    1. Using a E8 "TORX" socket wrench, remove the 2 stud bolts from the hybrid vehicle transaxle assembly.
      GTY828135Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE AUTOMATIC TRANSMISSION CASE COVER 
    1. Remove the 2 bolts.
      GTY808955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the clip and automatic transmission case cover from the hybrid vehicle transaxle assembly.
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