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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Hybrid Transaxle System (P810) - Service Information) >> Hybrid Vehicle Transaxle >> Removal [12/2023 - ] >> Procedure

Removal [12/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
  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.

    Refer to UTILITY [12/2023 - ]
  2. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE 

    Refer to REMOVAL [12/2023 - ]

  3. INSTALL ENGINE HANGERS 
    Refer to PROCEDURE - Step 63
  4. REMOVE STEERING GEAR HEAT INSULATOR 

    Refer to PROCEDURE - Step 11

  5. DISCONNECT ENGINE WIRE 
    NOTE:

    Cover the hole where the engine wire was connected with tape or equivalent (non-residue type) to prevent entry of foreign matter, water, etc.

    GTY1066966Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. GTY1235907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the wire harness connector from the rack and pinion power steering gear assembly.

        HINT: 

        Release the lock before rotating the lock lever.

      2. Remove the 3 bolts to disconnect the engine wire.
      3. Disengage the 3 clamps to disconnect the engine wire.
    2. GTY1239477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. DISCONNECT NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY 
    1. GTY1240670Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. DISCONNECT NO. 2 MOTOR COOLING HOSE 

    See step  4

  8. DISCONNECT NO. 1 MOTOR COOLING HOSE 

    See step  5

  9. REMOVE TRANSAXLE UNDER STOPPER BRACKET 
    1. GTY1240683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE NO. 1 MOTOR COOLING PIPE 
    1. GTY1231889Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Loosen the flare nut of the No. 1 motor cooling pipe and disconnect the No. 1 motor cooling pipe from the union.
      2. Remove the bolt, No. 2 oil cooler tube clamp and No. 1 motor cooling pipe from the No. 2 motor cooling pipe.
  11. DISCONNECT NO. 3 MOTOR COOLING HOSE 
    1. GTY1240669Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE FRONT FRAME ASSEMBLY 

    Refer to PROCEDURE - Step 6

  13. REMOVE FRONT ENGINE MOUNTING INSULATOR 
    1. GTY1229954Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE FRONT ENGINE MOUNTING BRACKET 
    1. GTY1235491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE REAR ENGINE MOUNTING INSULATOR 
    1. GTY1240682Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE MANIFOLD STAY 
    WARNING:

    To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
    1. GTY1229704Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE REAR ENGINE MOUNTING BRACKET 
    1. GTY1235488Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE FLYWHEEL HOUSING UNDER COVER 
    1. GTY1229701Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE HYBRID VEHICLE TRANSAXLE ASSEMBLY 
    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.
    1. GTY1240681Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE CONNECTOR COVER 
    See step  2
  21. REMOVE TERMINAL CAP 
    See step  3
  22. REMOVE MOTOR CABLE 
    See step  4
  23. REMOVE NO. 2 MOTOR COOLING PIPE 
    1. GTY1235483Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE OIL PUMP WITH MOTOR ASSEMBLY 
    1. GTY1240435Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE NO. 3 INVERTER BRACKET 
    1. GTY1235482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. GTY1235487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE TRANSAXLE HOUSING PLUG 
    1. GTY1235486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. REMOVE STUD BOLT 
    1. GTY1229770Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an E10 "TORX" socket wrench, remove the 2 stud bolts from the hybrid vehicle transaxle assembly.
  29. REMOVE NO. 3 AUTOMATIC TRANSMISSION CASE COVER 
    1. GTY1235426Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE TRANSAXLE BREATHER PLUG 

    HINT: 

    Perform this procedure only when replacement of the transaxle breather plug is necessary.

    1. GTY1235484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE TRANSAXLE HOUSING TUBE CONNECTOR 

    HINT: 

    Perform this procedure only when replacement of the transaxle housing tube connector or O-ring is necessary.

    1. GTY1229702Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. REMOVE SHIFT CONTROL ACTUATOR BRACKET 

    HINT: 

    Perform this procedure only when replacement of the shift control actuator bracket is necessary.

    1. Remove the shift control actuator assembly.
      See step  5
    2. Remove the shift control actuator seal.
      See step  6
    3. GTY1239475Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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