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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Hybrid Transaxle System (L310F) - Service Information (1 Of 3) >> Hybrid Vehicle Transmission >> Removal [10/2017 - 09/2018] >> Procedure

Removal [10/2017 - 09/2018]: Procedure

  1. PRECAUTION 

    Refer to PRECAUTION [10/2017 - 10/2020]

  2. PERFORM RESOLVER INITIALIZATION 

    Refer to UTILITY [10/2017 - ]

  3. ADJUST STANDARD VEHICLE HEIGHT (w/ Air Suspension) 

    Refer to PROCEDURE - Step 2

  4. REMOVE ENGINE ASSEMBLY WITH HYBRID VEHICLE TRANSMISSION 

    Refer to REMOVAL [10/2017 - 09/2018]

  5. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY 
    1. GTY816186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 2 bolts and No. 1 exhaust pipe support bracket sub-assembly.

  6. REMOVE NO. 1 EGR PIPE 

    Refer to PROCEDURE - Step 17

  7. REMOVE EXHAUST MANIFOLD ASSEMBLY LH 

    Refer to PROCEDURE - Step 37

  8. REMOVE EXHAUST MANIFOLD ASSEMBLY RH 

    Refer to PROCEDURE - Step 39

  9. LOOSEN FRONT PROPELLER SHAFT ASSEMBLY 

    Refer to PROCEDURE - Step 3

  10. REMOVE FRONT PROPELLER SHAFT ASSEMBLY 

    Refer to PROCEDURE - Step 5

  11. REMOVE GENERATOR CABLE 

    See step  5

  12. REMOVE MOTOR CABLE 

    See step  5

  13. DISCONNECT WIRE HARNESS 
    1. Disconnect the 6 wire harness connectors.
      GTY829764Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Wire Harness Connector Bolt
    2. Remove the 6 bolts and disconnect the 5 wire harness clamps from the hybrid vehicle transmission assembly.
  14. REMOVE TRANSMISSION OIL PUMP INSULATOR 
    1. GTY809751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 3 bolts and transmission oil pump insulator.

  15. REMOVE NO. 2 TRANSMISSION BREATHER ASSEMBLY 
    1. Disconnect the 4 clamps.
      GTY820246Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and No. 2 transmission breather assembly.
    3. GTY820615Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the O-ring from the No. 2 transmission breather assembly.

  16. REMOVE NO. 1 TRANSMISSION BREATHER ASSEMBLY 
    1. Disconnect the 3 clamps.
      GTY820244Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and No. 1 transmission breather assembly.
    3. GTY821683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Slide the clip and remove the transmission breather hose from the No. 1 transmission breather assembly.

  17. REMOVE ENGINE MOTOR CABLE CLAMP BRACKET 
    1. Remove the bolt and engine motor cable clamp bracket.
      GTY821977Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and engine motor cable clamp bracket.
      GTY821986Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the bolt and engine motor cable clamp bracket.
      GTY821978Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. GTY837178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt and wire harness clamp bracket.

  19. REMOVE OIL COOLER WITHOUT HOSE TUBE SUB-ASSEMBLY 
    1. GTY821685Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Slide the clip and disconnect the No. 2 oil cooler inlet hose from the motor cooling cooler.

    2. Disconnect the oil pump thermistor connector.
      GTY785661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the 9 wire harness clamps.
    4. Remove the 2 bolts (A), and disconnect the oil cooler without hose tube sub-assembly.
      GTY807991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Oil Cooler without Hose Tube Sub-assembly *2 Oil Cooler Union Sub-assembly
    5. Remove the 2 union bolts, 4 gaskets, 2 bolts (B) and oil cooler union sub-assembly.
    6. Slide the clip and remove the No. 2 oil cooler inlet hose from the oil cooler without hose tube sub-assembly.
      GTY820234Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. GTY820232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Slide the clip and remove the No. 2 oil cooler outlet hose from the oil cooler without hose tube sub-assembly.

    8. GTY809537Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Slide the 2 clips and remove the No. 1 oil cooler inlet hose from the oil cooler without hose tube sub-assembly and oil cooler union sub-assembly.

    9. GTY834807Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Slide the 2 clips and remove the No. 1 oil cooler outlet hose from the oil cooler without hose tube sub-assembly and oil cooler union sub-assembly.

  20. REMOVE STARTER HOLE INSULATOR 
    1. Remove the 2 bolts and starter hole insulator.
      GTY785660Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE FLYWHEEL HOUSING SIDE COVER 
    1. Remove the flywheel housing side cover from the engine assembly.
      GTY837179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE FLYWHEEL HOUSING UNDER COVER 
    1. Remove the flywheel housing under cover from the engine assembly.
      GTY807774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE ENGINE REAR MOUNTING MEMBER 
    1. Remove the nut, spring washer and 2 bolts and disconnect the No. 2 parking lock release cable assembly from the shift control actuator assembly.
      GTY781521Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut and Spring Washer
    2. GTY785657Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 3 nuts and engine rear mounting member.

  24. REMOVE REAR ENGINE MOUNTING INSULATOR 
    1. GTY829584Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 4 bolts and rear engine mounting insulator.

  25. REMOVE HYBRID VEHICLE TRANSMISSION ASSEMBLY 
    1. Using a rope or equivalent, support the hybrid vehicle transmission assembly at the positions shown in the illustration.
      WARNING:

      Secure the engine assembly to the engine lifter using a belt, etc. to prevent it from falling.

      GTY785658Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 9 bolts and hybrid vehicle transmission assembly from the engine assembly.
      GTY785659Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WARNING:
      • Do not raise the hybrid vehicle transmission assembly more than necessary.
      • Make sure to confirm the center of the gravity of the hybrid vehicle transmission assembly when supporting it.
      NOTE:

      Do not use excessive force to pry out the hybrid vehicle transmission assembly when separating it from the engine assembly to prevent the knock pins from being damaged.

  26. REMOVE BRACKET 
    1. GTY837294Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Wiring Harness Clamp Bracket
      *2 No. 2 Wiring Harness Clamp Bracket
      *3 Wiring Harness Clamp Bracket
      *4 No. 1 Wiring Harness Clamp Bracket
      *5 Transmission Oil Pump Insulator Bracket
      *6 No. 2 Heat Insulator Bracket

      Remove the 6 bolts and 6 brackets.

  27. REMOVE AUTOMATIC TRANSMISSION CASE COVER 
    1. Remove the 4 bolts and automatic transmission case cover.
      GTY785651Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. REMOVE TRANSFER ASSEMBLY 

    Refer to REMOVAL [10/2017 - ]