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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Hybrid Transaxle System (L310) - Service Information (1 Of 2)) >> Hybrid Vehicle Transmission >> Removal [09/2018 - 10/2020] >> Procedure

Removal [09/2018 - 10/2020]: Procedure

WARNING: This page is about a different variant/trim than selected.
  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 [09/2018 - 09/2019] , or refer to REMOVAL [09/2019 - 10/2020]

  5. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY 
    1. GTY809762Courtesy 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 36

  8. REMOVE EXHAUST MANIFOLD ASSEMBLY RH 

    Refer to PROCEDURE - Step 38

  9. REMOVE GENERATOR CABLE 

    See step  5

  10. REMOVE MOTOR CABLE 

    See step  5

  11. DISCONNECT WIRE HARNESS 
    1. Disconnect the 6 wire harness connectors.
      GTY799346Courtesy 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.
  12. REMOVE TRANSMISSION OIL PUMP INSULATOR 
    1. GTY809751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 3 bolts and transmission oil pump insulator.

  13. 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.

  14. 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.

  15. 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
  16. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. GTY837178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt and wire harness clamp bracket.

  17. 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.
      GTY835742Courtesy 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.
      GTY835181Courtesy 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.

  18. REMOVE STARTER HOLE INSULATOR 
    1. Remove the 2 bolts and starter hole insulator.
      GTY820249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE FLYWHEEL HOUSING SIDE COVER 
    1. Remove the flywheel housing side cover from the engine assembly.
      GTY837179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. 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. GTY784276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 3 nuts and engine rear mounting member.

  21. REMOVE REAR ENGINE MOUNTING INSULATOR 
    1. GTY809761Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 4 bolts and rear engine mounting insulator.

  22. 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.

      GTY820248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 9 bolts and hybrid vehicle transmission assembly from the engine assembly.
      GTY834858Courtesy 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.

  23. REMOVE BRACKET 
    1. GTY820773Courtesy 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.

  24. REMOVE DYNAMIC DAMPER 
    1. GTY809759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Using a T40 "TORX" socket wrench, remove the 2 bolts and dynamic damper.

    2. GTY809760Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Using a T40 "TORX" socket wrench, remove the 2 bolts and dynamic damper.

  25. REMOVE AUTOMATIC TRANSMISSION CASE COVER 
    1. Remove the 4 bolts and automatic transmission case cover.
      GTY834861Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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