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Home >> Lexus >> 2022 >> RX 350L FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission [U881E] - Service Information (2 Of 2) >> Automatic Transaxle Assembly >> Installation [09/2015 - 12/2017] >> Procedure

Installation [09/2015 - 12/2017]: Procedure

  1. INSTALL TORQUE CONVERTER ASSEMBLY 
    1. Turn the front oil pump drive gear so that either key is at the top and place a matchmark on the transaxle housing to indicate the position of the key.
      GTY667248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark
      *b Key
    2. Place a matchmark on the torque converter assembly so that the position of its groove is clearly indicated.
      GTY613252Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Groove
      *b Matchmark
    3. Align the matchmark on the torque converter assembly with the one on the transaxle housing and engage the splines of the input shaft with the turbine runner splines.
      NOTE:
      • Install the torque converter assembly to the input shaft while keeping it horizontal.
      • Do not damage the front oil pump oil seal.
      GTY663744Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Oil Pump Oil Seal
      *a Matchmark
    4. Rotate the torque converter assembly approximately 180° and engage the splines of the stator shaft with the stator assembly.
      GTY671186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Oil Pump Oil Seal
      *a Matchmark
      NOTE:
      • Do not push the torque converter assembly excessively when rotating it.
      • Install the torque converter assembly to the input shaft while keeping it horizontal.
      • Do not damage the front oil pump oil seal.
    5. Rotate the torque converter assembly approximately 180° again, align the matchmark on the torque converter assembly with the one on the transaxle housing and insert the keys of the front oil pump drive gear into the grooves of the torque converter assembly.
      GTY673971Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Oil Pump Oil Seal
      *a Matchmark
      NOTE:
      • Do not push the torque converter assembly excessively when rotating it.
      • Install the torque converter assembly to the input shaft while keeping it horizontal.
      • Do not damage the front oil pump oil seal.
    6. Clean the drive plate and torque converter assembly setting bolt holes.
    7. Using a vernier caliper and straightedge, measure the dimension (A) between the automatic transaxle assembly contact surface of the engine assembly *a and the torque converter assembly contact surface of the drive plate and ring gear sub-assembly *b.
      GTY650647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Engine Assembly Surface
      *b Drive Plate and Ring Gear Sub-assembly Surface
      NOTE:

      Make sure to deduct the thickness of the straightedge.

    8. Using a vernier caliper and straightedge, measure the dimension (B) shown in the illustration and check that the dimension (B) is more than the dimension (A), which was measured in the previous step.
      GTY635375Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard

      Dimension (A) + 1 mm (0.0394 in.) or more

      NOTE:
      • Make sure to deduct the thickness of the straightedge.
      • If the automatic transaxle assembly is installed to the engine assembly with the torque converter assembly not sufficiently inserted, the torque converter assembly may be damaged.
      • Do not include the thickness of the set block.
  2. INSTALL TRANSMISSION BREATHER SKIRT 
    1. Install the transmission breather skirt to the automatic transaxle case sub-assembly with the bolt.

      Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf) 

    2. Engage the 3 clamps to install the transmission breather plug.
  3. INSTALL NO. 2 TRANSMISSION CONTROL CABLE BRACKET 
    1. Install the No. 2 transmission control cable bracket to the automatic transaxle case sub-assembly with the bolt.

      Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf) 

  4. INSTALL REAR ENGINE MOUNTING BRACKET 
    1. Install the rear engine mounting bracket to the transaxle housing with the 3 bolts.

      Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) 

  5. INSTALL REAR ENGINE MOUNTING INSULATOR 
    1. Install the rear engine mounting insulator to the rear engine mounting bracket with the through bolt.
      GTY666676Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protrusion
      *b Rib

      Torque: 71 N*m (724 kgf*cm, 52 ft.*lbf) 

      NOTE:

      If tightening the bolt before installation of the front frame assembly, ensure that the edge of the protrusion of the bracket is within the width of the rib.

  6. INSTALL ENGINE MOUNTING BRACKET LH 
    1. Install the engine mounting bracket LH to the automatic transaxle case sub-assembly with the 4 bolts.

      Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) 

    2. Engage the transmission breather clamp to the engine mounting bracket LH.
  7. INSTALL AUTOMATIC TRANSAXLE ASSEMBLY 
    1. Apply clutch spline grease to the surface of the crankshaft that contacts the torque converter assembly centerpiece.
      GTY646692Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Crankshaft
      *2 Torque Converter Assembly Centerpiece
      Clutch Spline Grease

      Clutch Spline Grease

      Toyota Genuine Clutch Spline Grease or equivalent

      Maximum Grease Amount

      Approximately 1 g (0.0353 oz)

    2. Confirm that the knock pins are installed to the engine assembly and are not damaged.
      GTY631782Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Knock Pin
    3. While keeping the engine assembly and automatic transaxle assembly horizontal, align the knock pins with the holes in the automatic transaxle assembly and install the automatic transaxle assembly with the 11 bolts shown in the illustration.

      Bolt (A) 

      Torque: 64 N*m (653 kgf*cm, 47 ft.*lbf) 

      Bolt (B) 

      Torque: 64 N*m (653 kgf*cm, 47 ft.*lbf) 

      Bolt (C) 

      Torque: 46 N*m (469 kgf*cm, 34 ft.*lbf) 

      Bolt (D) 

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

      NOTE:
      • Confirm that the knock pins are installed to the automatic transaxle assembly contact surface of the cylinder block sub-assembly before installing the automatic transaxle assembly.
      • Do not forcibly pry on the automatic transaxle assembly.
      • Check that the torque converter assembly rotates.

      HINT: 

      Bolt Length 

      • Bolt (A): 55 mm (2.17 in.)
      • Bolt (B): 50 mm (1.97 in.)
      • Bolt (C): 41 mm (1.61 in.)
      • Bolt (D): 33 mm (1.30 in.)
  8. INSTALL ENGINE MOUNTING INSULATOR LH 
    1. Install the engine mounting insulator LH to the vehicle body with the 5 bolts.
      GTY644639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 71 N*m (724 kgf*cm, 52 ft.*lbf) 

      NOTE:

      Tightening order: Temporarily tighten bolt (A) → Fully tighten bolt (B) → Fully tighten bolt (A), (C), (D) and (E)

    2. Install the through bolt and nut.

      Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) 

      HINT: 

      When tightening the through bolt, keep the nut from rotating.

    3. Install the engine wire to the engine mounting insulator LH with the nut.

      Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf) 

    4. Engage the clamp.
  9. INSTALL FRONT ENGINE MOUNTING BRACKET 
    1. Install the front engine mounting bracket to the transaxle housing with the 3 bolts.

      Torque: 64 N*m (653 kgf*cm, 47 ft.*lbf) 

  10. INSTALL FRONT ENGINE MOUNTING INSULATOR 

    Refer to PROCEDURE - Step 1

  11. CONNECT NO. 1 TRANSMISSION OIL COOLER HOSE 

    Refer to PROCEDURE - Step 5

  12. INSTALL FRONT FRAME ASSEMBLY 

    Refer to PROCEDURE - Step 14 [09/2015 - 08/2016] , or refer to PROCEDURE - Step 14 [08/2016 - 08/2019]

  13. CONNECT FRONT ENGINE MOUNTING INSULATOR 

    Refer to PROCEDURE - Step 16 [09/2015 - 08/2016] , or refer to PROCEDURE - Step 16 [08/2016 - 08/2019]

  14. CONNECT REAR ENGINE MOUNTING INSULATOR 

    Refer to PROCEDURE - Step 17 [09/2015 - 08/2016] , or refer to PROCEDURE - Step 17 [08/2016 - 08/2019]

  15. INSTALL DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT 
    1. Remove any adhesive remaining the 6 drive plate and torque converter assembly setting bolts.
    2. Apply a few drops of adhesive to 2 or 3 threads at the tip of each of the 6 drive plate and torque converter assembly setting bolts.
      GTY447356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Adhesive

      Adhesive

      Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

      NOTE:

      Make sure to install the 6 drive plate and torque converter assembly setting bolts immediately after applying adhesive to prevent foreign matter from attaching to them.

    3. Turn the crankshaft to gain access to the installation locations of the 6 drive plate and torque converter assembly setting bolts and install each drive plate and torque converter assembly setting bolt while holding the crankshaft pulley bolt with a wrench.

      Torque: 41 N*m (418 kgf*cm, 30 ft.*lbf) 

      NOTE:

      First install the black colored drive plate and torque converter assembly setting bolt, and then the remaining 5 silver colored drive plate and torque converter assembly setting bolts.

  16. INSTALL FLYWHEEL HOUSING UNDER COVER 
    1. Install the flywheel housing under cover to the automatic transaxle case sub-assembly with the 2 bolts.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

  17. REMOVE ENGINE SUPPORT BRIDGE 
    1. Remove SST from the vehicle body.
      NOTE:

      Prevent SST from contacting the vehicle body or windshield glass.

  18. REMOVE ENGINE HANGER 
    1. Remove the 2 bolts and No. 2 engine hanger from the cylinder head LH.
    2. Remove the bolt and No. 1 engine hanger from the cylinder head RH.
  19. INSTALL FUEL PUMP PROTECTOR 

    Refer to PROCEDURE - Step 6

  20. INSTALL WIRE HARNESS CLAMP BRACKET 
    1. Install the wire harness clamp bracket to the cylinder head RH with the bolt.

      Torque: 13 N*m (133 kgf*cm, 10 ft.*lbf) 

    2. Engage the hose clamp and 3 wire harness clamps.
    3. Connect the air fuel ratio sensor (for Bank 1) connector.
  21. INSTALL AIR SURGE TANK TO INTAKE MANIFOLD GASKET 

    Refer to PROCEDURE - Step 10

  22. INSTALL INTAKE AIR SURGE TANK ASSEMBLY 

    Refer to PROCEDURE - Step 11

  23. CONNECT PURGE VALVE (PURGE VSV) 

    Refer to PROCEDURE - Step 12

  24. CONNECT VENTILATION HOSE 

    Refer to PROCEDURE - Step 13

  25. CONNECT NO. 1 RADIATOR HOSE 

    Refer to PROCEDURE - Step 7

  26. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET 

    Refer to PROCEDURE - Step 4

  27. INSTALL FRONT EXHAUST PIPE ASSEMBLY 

    Refer to PROCEDURE - Step 2

  28. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side) 

    Refer to PROCEDURE - Step 3

  29. INSTALL FRONT DRIVE SHAFT ASSEMBLY 

    Refer to INSTALLATION [09/2015 - ]

  30. INSTALL FRONT FENDER APRON SEAL LH 

    Refer to PROCEDURE - Step 64 [09/2015 - 08/2016] , or refer to PROCEDURE - Step 64 [08/2016 - 12/2017]

  31. INSTALL NO. 3 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 69 [09/2015 - 08/2016] , or refer to PROCEDURE - Step 69 [08/2016 - 12/2017]

  32. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 70 [09/2015 - 08/2016] , or refer to PROCEDURE - Step 70 [08/2016 - 12/2017]

  33. INSTALL FRONT STABILIZER BAR 

    Refer to INSTALLATION [09/2015 - ]

  34. CONNECT WIRE HARNESS 
    1. Connect the wire harness to the automatic transaxle case sub-assembly with the bolt.

      Torque: 19.1 N*m (195 kgf*cm, 14 ft.*lbf) 

    2. Connect the transmission wire connector and park/neutral position switch assembly connector.
  35. INSTALL NO. 2 VACUUM SWITCHING VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 1

  36. CONNECT TRANSMISSION CONTROL CABLE ASSEMBLY 

    Refer to PROCEDURE - Step 2

  37. INSTALL BATTERY BRACKET REINFORCEMENT 
    1. Install the battery bracket reinforcement to the vehicle body with the 2 bolts.

      Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) 

  38. INSTALL BATTERY CARRIER SUB-ASSEMBLY 
    1. Install the battery carrier sub-assembly to the vehicle body with the 6 bolts.

      Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) 

    2. Engage the 2 clamps.
  39. INSTALL BATTERY 

    Refer to PROCEDURE - Step 3

  40. INSTALL ECM 

    Refer to PROCEDURE - Step 3

  41. INSTALL STARTER ASSEMBLY 

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

  42. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 12 [09/2015 - 08/2016] , or refer to PROCEDURE - Step 12 [08/2016 - 08/2019]

  43. INSTALL FRONT WIPER MOTOR AND LINK ASSEMBLY 

    Refer to INSTALLATION [09/2015 - ]

  44. INSTALL V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 40 [09/2015 - 08/2016] , or refer to PROCEDURE - Step 40 [08/2016 - 12/2017]

  45. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

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

    Refer to INITIALIZATION [09/2015 - 08/2016] , or refer to INITIALIZATION [08/2016 - 12/2017]

  46. ADD ENGINE COOLANT 

    Refer to PROCEDURE - Step 2

  47. INSPECT FOR COOLANT LEAK 

    Refer to PROCEDURE - Step 1

  48. CHECK AUTOMATIC TRANSAXLE SYSTEM 
    NOTE:

    If automatic transaxle parts have been replaced, refer to Parts Replacement Compensation Table to determine if any additional operations are necessary.

    Refer to PRECAUTION [09/2015 - 08/2016] , or refer to PRECAUTION [08/2016 - 08/2019]

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