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Home >> Lexus >> 2019 >> RX 350L FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission [U881E] - Service Information (2 Of 2) >> Automatic Transaxle Assembly >> Removal [12/2017 - 08/2019] >> Procedure

Removal [12/2017 - 08/2019]: Procedure

  1. PRECAUTION 
    NOTE:

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Refer to PRECAUTION [12/2017 - 08/2019]

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [12/2017 - 08/2019]

  3. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 23

  4. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY 

    Refer to REMOVAL [09/2015 - ]

  5. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  6. REMOVE STARTER ASSEMBLY 

    Refer to REMOVAL [08/2016 - 08/2019]

  7. REMOVE ECM 

    Refer to PROCEDURE - Step 4

  8. REMOVE BATTERY 

    Refer to PROCEDURE - Step 6

  9. REMOVE BATTERY CARRIER SUB-ASSEMBLY 
    1. Disengage the 2 clamps.
      GTY645349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 6 bolts and battery carrier sub-assembly from the vehicle body.
  10. REMOVE BATTERY BRACKET REINFORCEMENT 
    1. Remove the 2 bolts and battery bracket reinforcement from the vehicle body.
      GTY645352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY 

    Refer to PROCEDURE - Step 7

  12. REMOVE NO. 2 VACUUM SWITCHING VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 3

  13. DISCONNECT WIRE HARNESS 
    1. Disconnect the transmission wire connector and park/neutral position switch assembly connector.
      GTY679615Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Transmission Wire Connector
      *b Park/Neutral Position Switch Assembly Connector
    2. Remove the bolt and disconnect the wire harness from the automatic transaxle case sub-assembly.
  14. REMOVE FRONT STABILIZER BAR 

    Refer to REMOVAL [09/2015 - 08/2019]

  15. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 7

  16. REMOVE NO. 3 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 8

  17. REMOVE FRONT FENDER APRON SEAL LH 

    Refer to PROCEDURE - Step 13

  18. REMOVE FRONT DRIVE SHAFT ASSEMBLY 

    Refer to REMOVAL [09/2015 - 08/2019]

  19. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side) 

    Refer to PROCEDURE - Step 8

  20. REMOVE FRONT EXHAUST PIPE ASSEMBLY 

    Refer to PROCEDURE - Step 9

  21. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET 

    Refer to PROCEDURE - Step 20

  22. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 1

  23. DISCONNECT NO. 1 RADIATOR HOSE 

    Refer to PROCEDURE - Step 15

  24. DISCONNECT VENTILATION HOSE 

    Refer to PROCEDURE - Step 6

  25. DISCONNECT PURGE VALVE (PURGE VSV) (for TMMC Made) 

    Refer to PROCEDURE - Step 7

  26. DISCONNECT PURGE VALVE (PURGE VSV) (except TMMC Made) 

    Refer to PROCEDURE - Step 8

  27. REMOVE NO. 2 SURGE TANK STAY 

    Refer to PROCEDURE - Step 9

  28. REMOVE INTAKE AIR SURGE TANK ASSEMBLY 

    Refer to PROCEDURE - Step 10

  29. REMOVE AIR SURGE TANK TO INTAKE MANIFOLD GASKET 

    Refer to PROCEDURE - Step 11

  30. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. Disconnect the air fuel ratio sensor (for Bank 1) connector.
      GTY630808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the hose clamp and 3 wire harness clamps.
      GTY650909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hose Clamp
      *b Wire Harness Clamp
    3. Remove the bolt and wire harness clamp bracket from the cylinder head RH.
  31. REMOVE FUEL PUMP PROTECTOR 

    Refer to PROCEDURE - Step 6

  32. INSTALL ENGINE HANGER 
    1. Install the No. 1 engine hanger to the cylinder head RH with the bolt.
      GTY634062Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Hanger
      *2 No. 2 Engine Hanger

      Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf) 

      Item Part No.
      No. 1 Engine Hanger 12281-36020
      Bolt 91552-81040
    2. Install the No. 2 engine hanger to the cylinder head LH with the 2 bolts.

      Torque: 33 N*m (337 kgf*cm, 24 ft.*lbf) 

      Item Part No.
      No. 2 Engine Hanger 12282-31100
      Bolt 91671-10825
  33. INSTALL ENGINE SUPPORT BRIDGE 
    1. Install SST to the vehicle body as shown in the illustration.
      GTY651960Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Support Shaft *b Front Side Member
      *c Cloth *d Front Side
      *e Front Suspension Nut - -
      • SST: 09940-10020 
      WARNING:
      • Make sure that no oil or grease is on the front side member, and set the support shaft on the level surface of the front side member.
        GTY614759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Support Shaft
        *b Front Side Member
      • The engine support bridge may fall off if any oil or grease is still on or it is installed on the unlevel surface.
      NOTE:
      • Prevent SST from contacting the vehicle body exterior and windshield glass.
      • To prevent damage to the engine hood, place pieces of cloth between the engine hood and SST.
      • Lightly shake SST by hand to make sure it is securely installed before performing work.
    2. Turn the threaded portion of each support shaft to adjust its height until the sub beams are parallel to the ground.
      GTY649983Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Support Shaft
      *b Sub Beam
      *c Front Side Member
      *d Threaded Portion
    3. Install the chain block to the sling bracket.
      GTY666037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Chain Block *b Sling Bracket
      *c Fuse Shackle *d Shackle (A)
    4. Install the division bar to the chain block with the shackles.
      WARNING:
      • Make sure the fuse shackle is on the chain block side and the shackle (A) is on the division bar side as shown in the illustration so that the fuse bolt is visible and can be checked for deformation easily.
        GTY668065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Fuse Shackle
        *b Shackle (A)
      • If the fuse shackle is installed upside down, deformation of the fuse bolt will not be visible and cannot be used to tell if the load capacity of the engine support bridge has been exceeded. If the load capacity is exceeded, it may cause the engine support bridge to damage the vehicle and the engine assembly with automatic transaxle assembly may fall.
      • Make sure that the fuse bolt of the fuse shackle is free of damage, such as deformation or cracks. If damaged, replace the fuse shackle.
        GTY631927Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Fuse Shackle
        *b Fuse Bolt
      • If a deformed fuse bolt is used, it cannot be used to tell if the load capacity of the engine support bridge has been exceeded. If the load capacity is exceeded, it may cause the engine support bridge to damage the vehicle and the engine assembly with transaxle assembly may fall.
    5. Connect the division bar to the No. 1 engine hanger with the 2 shackles (A).
      GTY654911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Hanger *2 No. 2 Engine Hanger
      *a Division Bar *b Shackle (A)
      *c Chain - -
    6. Connect the division bar to the No. 2 engine hanger with the shackle (A) and chain.
      NOTE:

      Connect the 2nd link of the chain to the No. 2 engine hanger.

    7. Make sure the distance between the chain block assembly and suspension ring is 120 mm (4.72 in.) or more.
      GTY652665Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Chain Block Assembly *b Suspension Ring
      *c 120 mm (4.72 in.) or more - -

      HINT: 

      If the suspension height is less than 120 mm, adjust the links of the chain which connect the division bar and engine hanger.

    8. Adjust the position of the support bracket LH and RH so that the length of dimension (A) and (B) are 240 mm (9.45 in.) as shown in the illustration.
      GTY652993Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Support Bracket LH *b Support Bracket RH
      *c Dimension (A): 240 mm (9.45 in.) *d Dimension (B): 240 mm (9.45 in.)
      *e Sub Beam - -
      Front of Vehicle - -
    9. Adjust the positions of the chain block assembly, support brackets and main beam so that the chain of the chain block assembly is perpendicular to the main beam and the length of the main beam on the outer side of the support bracket LH and RH is the same as shown in the illustration.
      GTY657637Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Chain Block Assembly *b Main Beam
      *c Dimension (C) *d Dimension (D)
      *e Right to Left Adjustment - -
      WARNING:
      • To prevent the engine with automatic transaxle assembly from falling, make sure that the length of dimension (C) and dimension (D) are equal.
      • Do not perform any procedures if the length of dimension (C) and dimension (D) are not equal.
        GTY618961Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Main Beam
      • Performing any procedure when the length of dimension (C) and dimension (D) are not equal may cause the engine assembly with automatic transaxle assembly and engine support bridge to fall, possibly causing serious injury.
    10. Confirm the appropriate installation state of the engine support bridge and tighten the 6 wing bolts and 2 bolts.
      GTY684871Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wing Bolt *b Bolt

      Bolt 

      Torque: 30 N*m (306 kgf*cm, 22 ft.*lbf) 

      WARNING:
      • Do not perform any procedures before tightening the bolts to the specified torque.
        GTY638600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • Performing procedures without tightening the bolts to the specified torque, may cause the engine support bridge to fall.
    11. Tighten the chain block assembly until it cannot be moved any further by hand.
      GTY637287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turn
      WARNING:
      GTY647185Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 41 N*m (418 kgf*cm, 30 ft.*lbf) or more
      • When suspending the engine with automatic transaxle assembly, do not tighten the chain block assembly more than 41 N*m (418 kgf*cm, 30 ft.*lbf).
      • Tightening the chain block assembly more than 41 N*m (418 kgf*cm, 30 ft.*lbf) will cause the load capacity (400 kg (881.8 lb)) to be exceeded and may cause damage to the engine support bridge and vehicle body.
  34. REMOVE FLYWHEEL HOUSING UNDER COVER 
    1. Remove the 2 bolts and flywheel housing under cover from the automatic transaxle case sub-assembly.
      GTY645384Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT 
    1. Turn the crankshaft to gain access to the 6 drive plate and torque converter assembly setting bolts and remove each drive plate and torque converter assembly setting bolt while holding the crankshaft pulley bolt with a wrench.
      GTY644270Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      There will be one black colored drive plate and torque converter assembly setting bolt.

  36. SEPARATE FRONT ENGINE MOUNTING INSULATOR 

    Refer to PROCEDURE - Step 44

  37. SEPARATE REAR ENGINE MOUNTING INSULATOR 

    Refer to PROCEDURE - Step 45

  38. REMOVE FRONT FRAME ASSEMBLY 

    Refer to PROCEDURE - Step 47

  39. DISCONNECT NO. 1 TRANSMISSION OIL COOLER HOSE 

    Refer to PROCEDURE - Step 8

  40. REMOVE FRONT ENGINE MOUNTING INSULATOR 

    Refer to PROCEDURE - Step 2

  41. REMOVE FRONT ENGINE MOUNTING BRACKET 
    1. Remove the 3 bolts and front engine mounting bracket from the transaxle housing.
      GTY679751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. REMOVE ENGINE MOUNTING INSULATOR LH 
    1. Disengage the clamp.
      GTY679745Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the nut and separate the engine wire from the engine mounting insulator LH.
    3. Remove the nut and through bolt.
      GTY645354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 5 bolts and engine mounting insulator LH from the vehicle body.
      GTY679750Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  43. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY 
    1. Support the automatic transaxle assembly with a transmission jack.
      NOTE:

      Secure the automatic transaxle assembly to the transmission jack using a suitable adapter, such as a rope or attachment.

    2. Remove the 11 bolts and automatic transaxle assembly.
      GTY645381Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      To prevent damage to the knock pins, do not pry between the automatic transaxle assembly and engine assembly.

  44. REMOVE ENGINE MOUNTING BRACKET LH 
    1. Disengage the transmission breather clamp from the engine mounting bracket LH.
      GTY632290Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 bolts and engine mounting bracket LH from the automatic transaxle case sub-assembly.
      GTY645386Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  45. REMOVE REAR ENGINE MOUNTING INSULATOR 
    1. Remove the through bolt and rear engine mounting insulator from the rear engine mounting bracket.
      GTY665182Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  46. REMOVE REAR ENGINE MOUNTING BRACKET 
    1. Remove the 3 bolts and rear engine mounting bracket from the transaxle housing.
      GTY645391Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  47. REMOVE NO. 2 TRANSMISSION CONTROL CABLE BRACKET 
    1. Remove the bolt and No. 2 transmission control cable bracket from the automatic transaxle case sub-assembly.
      GTY645389Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  48. REMOVE TRANSMISSION BREATHER SKIRT 
    1. Disengage the 3 clamps to separate the transmission breather plug.
      GTY679752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and transmission breather skirt from the automatic transaxle case sub-assembly.
  49. REMOVE TORQUE CONVERTER ASSEMBLY 
    1. Remove the torque converter assembly from the automatic transaxle assembly.
  50. INSPECT TORQUE CONVERTER ASSEMBLY 

    See step  1

  51. INSPECT DRIVE PLATE AND RING GEAR SUB-ASSEMBLY 

    See step  2

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