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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Hybrid Transaxle System / Rear Traction Motor (Q610) - Service Information) >> Rear Traction Motor >> Removal [08/2023 - ] >> Procedure

Removal [08/2023 - ]: Procedure

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  1. PERFORM RESOLVER INITIALIZATION 
    NOTE:

    If it is necessary to replace the rear traction motor with transaxle assembly, make sure to perform resolver initialization before starting work.

  2. REMOVE REAR SUSPENSION MEMBER SUB-ASSEMBLY 
  3. REMOVE FRAME WIRE 
    1. GTY1123480Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Connector Bolt
  4. REMOVE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY 
    1. Using a mini crane and 2 belt slings, hold the rear traction motor with transaxle assembly.
      WARNING:
      • Do not lift the rear traction motor with transaxle assembly more than necessary.
      • When lifting the rear traction motor with transaxle assembly, make sure it is well balanced.
      NOTE:
      • Lightly shake the rear traction motor with transaxle assembly by hand to make sure it is securely held while performing work.
      • Do not shake the rear traction motor with transaxle assembly excessively while holding it.
    2. GTY1129490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Upper Differential Mount Stopper *2 Lower Differential Mount Stopper
      1. Remove the 3 bolts, 2 upper differential mount stoppers, 2 lower differential mount stoppers and rear traction motor with transaxle assembly from the rear suspension member sub-assembly.
        NOTE:
        • Be careful not to drop the rear traction motor with transaxle assembly.
        • Be careful not to damage the installation surfaces of the rear traction motor with transaxle assembly when removing it.
  5. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. GTY1127466Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE FRONT DIFFERENTIAL SUPPORT ASSEMBLY 
    1. GTY1062776Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE REAR TRACTION MOTOR FILLER PLUG 
    1. GTY1061967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using a 10 mm hexagon socket wrench, remove the rear traction motor filler plug and gasket from the rear traction motor with transaxle assembly.
  8. REMOVE REAR TRACTION MOTOR CABLE 
    WARNING:

    Be sure to wear insulated gloves.

    HINT: Unnecessary to remove the rear traction motor cable unless inspection or replacement.
    1. Clean the area around the rear traction motor cable.
      NOTE:

      Dust or other foreign matter entering the terminal when installing the rear traction motor cable may cause a short or electrical leakage.

    2. GTY1124780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Slide cover on top side - -
      1. Remove the 4 bolts of the rear traction motor cable.
      2. Slide the cover on the top side of the rear traction motor cable.
      3. Disengage the 2 claws to remove the motor cable terminal cap from the rear traction motor with transaxle assembly.
    3. GTY1125642Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an insulated tool, remove the 3 bolts and rear traction motor cable from the rear traction motor with transaxle assembly.
        NOTE:
        • Protect the rear traction motor cable with a plastic bag or other protective material until immediately before reconnection.
        • Do not allow foreign matter or water to enter the rear traction motor cable terminal or installation area.
        • Do not touch the rubber seal and terminals of the rear traction motor cable.
          GTY1126478Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          *a Rubber Seal
          *b Terminal
      2. Protect the opening where the rear traction motor cable was removed with protective tape (non-residue type) to prevent the entry of foreign matter or water.