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Home >> Lexus >> 2024 >> RC 350 Base, RWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System (Aa81E) - Service Information (1 Of 2) >> AUTOMATIC TRANSMISSION ASSEMBLY (for 2GR) >> Installation [09/2014 - 11/2017] >> Procedure

Installation [09/2014 - 11/2017]: Procedure

  1. INSTALL TORQUE CONVERTER ASSEMBLY 
    1. Using a vernier caliper and straightedge, measure the dimension (A) between the automatic transmission assembly contact surface of the engine assembly and the torque converter assembly contact surface of the drive plate.
      GTY465549Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Engine Assembly Surface
      *b Drive Plate Surface
    2. Align the matchmark on the automatic transmission case sub-assembly with the one on the torque converter assembly 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.

      GTY463225Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark
    3. Rotate the torque converter assembly approximately 180° and engage the splines of the stator shaft with the stator assembly.
      NOTE:
      • Do not damage the front oil pump oil seal.
      • Install the torque converter assembly to the input shaft while keeping it horizontal.
      GTY466611Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Oil Pump Oil Seal
    4. Rotate the torque converter assembly approximately 180° again, align the matchmark on the torque converter assembly with the one on the automatic transmission case sub-assembly and insert the key of the torque converter assembly into the groove of the oil pump drive gear.
      NOTE:
      • Do not push the torque converter assembly excessively when rotating it.
      • Do not damage the front oil pump oil seal.
      • Install the torque converter assembly to the input shaft while keeping it horizontal.
      GTY502396Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Oil Pump Oil Seal
    5. 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.

      Standard

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

      NOTE:
      • Make sure to deduct the thickness of the straightedge.
      • If the automatic transmission assembly is installed to the engine assembly with the torque converter assembly not sufficiently inserted, the torque converter assembly may be damaged.
      GTY508929Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL REAR ENGINE MOUNTING INSULATOR ASSEMBLY 
    1. Install the rear engine mounting insulator assembly to the automatic transmission assembly with the 4 bolts.

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

      HINT: 

      Make sure that the claw is facing the front of the vehicle.

      GTY463883Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Claw
      Front of the vehicle
  3. INSTALL AUTOMATIC TRANSMISSION ASSEMBLY 
    1. Apply clutch spline grease to the circumference of the part of the crankshaft that contacts the torque converter assembly centerpiece.

      Clutch Spline Grease

      Toyota Genuine Clutch Spline Grease or equivalent

      Maximum Grease Amount

      Approximately 1 g (0.0353 oz)

      GTY461012Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Drive Plate and Ring Gear Sub-assembly
      *2 Crankshaft
      *a Torque Converter Assembly Centerpiece
      Clutch Spline Grease
    2. Make sure that the mark is positioned as shown in the illustration.
      GTY464705Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark
    3. Confirm that the 2 knock pins are installed to the engine assembly and are not damaged.
      GTY462316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. While keeping the engine assembly and automatic transmission assembly horizontal, align the 2 knock pins with the holes in the automatic transmission assembly and install the automatic transmission assembly with the 9 bolts.

      Bolt (A) 

      Torque: 37 N.m (377 kgf/cm, 27 ft.lbf) 

      Bolt (B), (C) 

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

      NOTE:
      • When tightening the bolts, make sure that the contact surfaces of the engine assembly and the automatic transmission assembly are in close contact with one another.
      • Do not use excessive force when installing the automatic transmission assembly.
      • Check that the torque converter assembly rotates.
      • Make sure that the wire harness or other similar items are not pinched between the contact surfaces.
      • In order to protect the automatic transmission oil pan sub-assembly, place attachments on the transmission jack.
      • Make sure that the attachments and automatic transmission oil pan sub-assembly are centered on the transmission jack.
      • To prevent the automatic transmission oil pan sub-assembly from being deformed, do not place any attachments under the automatic transmission oil pan sub-assembly.
      • Secure the automatic transmission assembly to the transmission jack using a belt, etc. to prevent it from falling.

      HINT: 

      Bolt Length 

      • Bolt (A): 43 mm (1.69 in.)
      • Bolt (B): 50 mm (1.97 in.)
      • Bolt (C): 70 mm (2.76 in.)
  4. CONNECT WATER BY-PASS HOSE 
    1. Tilt down the automatic transmission assembly.
      NOTE:

      Make sure that the engine assembly does not contact the vehicle body when tilting the automatic transmission assembly.

    2. Connect the water by-pass hose and No. 2 water by-pass hose to the transmission oil cooler and slide the 2 clips to secure them.
    3. Connect the hose clamp to the automatic transmission assembly with the bolt.

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

  5. CONNECT WIRE HARNESS 
    1. Connect the park/neutral position switch assembly connector.
    2. Connect the transmission wire connector.

      HINT: 

      Push up the lever until the claw of the transmission wire connector makes a click sound.

    3. Install the wire harness to the automatic transmission assembly with the nut.

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

    4. Engage the 4 clamps.
    5. Connect the breather plug hose to the wire harness.
  6. CONNECT NO. 2 EARTH WIRE 
    1. Connect the No. 2 earth wire to the automatic transmission assembly with the bolt.

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

  7. INSTALL REAR ENGINE MOUNTING MEMBER 
    1. Temporarily install the rear engine mounting member to the rear No. 1 engine mounting insulator with the 4 nuts.
    2. Install the rear engine mounting member to the vehicle body with the 4 bolts.

      Torque: 34.7 N.m (354 kgf/cm, 26 ft.lbf) 

    3. Fully tighten the 4 nuts.

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

  8. INSTALL FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY 
    1. Install the floor shift gear shifting rod sub-assembly to the transmission control shaft lever RH with the pin.
      GTY515141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pin
    2. Install a new clip.
    3. Turn the transmission control shaft lever RH counterclockwise until it stops, then turn it clockwise 2 notches.
      GTY462123Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Transmission Control Shaft Lever RH
      *a P
      *b R
      *c N
    4. Move the shift lever to N.
    5. Connect the floor shift gear shifting rod sub-assembly to the lever of the transmission floor shift assembly.
      GTY520490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lever
      Rear of the Vehicle
    6. Temporarily install the nut to the lever of the transmission floor shift assembly.
    7. Tighten the nut while lightly pushing the lever of the transmission floor shift assembly toward the rear of the vehicle.

      Torque: 12.8 N.m (131 kgf/cm, 9 ft.lbf) 

      NOTE:

      Do not push the lever of the transmission floor shift assembly too hard.

  9. INSTALL DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT 
    1. Turn the crankshaft to gain access to the installation locations of the 6 drive plate and torque converter assembly setting bolts and install each bolt while holding the crankshaft pulley with SST.
      • SST: 09213-7001109330-00021 
        1. 09213-70020

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

      NOTE:

      First install the black colored bolt, and then the remaining 5 silver colored bolts.

  10. INSTALL FLYWHEEL HOUSING SIDE COVER 
    1. Install the flywheel housing side cover to the engine assembly.
      NOTE:

      Make sure that the flywheel housing side cover is securely installed.

  11. INSTALL STARTER ASSEMBLY 

    Refer to PROCEDURE - Step 1

  12. INSTALL EXHAUST MANIFOLD 

    Refer to INSTALLATION [09/2014 - 11/2017]

  13. INSTALL PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY 

    Refer to INSTALLATION [09/2014 - ]

  14. INSTALL INTAKE AIR SURGE TANK ASSEMBLY 

    Refer to INSTALLATION [09/2014 - 11/2017]

  15. ADD ENGINE COOLANT 

    Refer to PROCEDURE - Step 6 [09/2014 - 10/2015] , or refer to PROCEDURE - Step 6 [10/2015 - 11/2017]

  16. ADD AUTOMATIC TRANSMISSION FLUID 

    Refer to ADJUSTMENT [09/2014 - 10/2015] , or refer to ADJUSTMENT [10/2015 - 11/2017] 

  17. 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 [09/2014 - 10/2015] , or refer to INITIALIZATION [10/2015 - 11/2017]

  18. INSPECT FOR COOLANT LEAK 

    Refer to PROCEDURE - Step 1

  19. INSPECT SHIFT LEVER POSITION 

    See step  1

  20. INSPECT FOR EXHAUST GAS LEAK 

    Refer to PROCEDURE - Step 9

  21. INSTALL FRONT SUSPENSION MEMBER BRACE 

    Refer to PROCEDURE - Step 113 [09/2014 - 10/2015] , or refer to PROCEDURE - Step 114 [10/2015 - 11/2017]

  22. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 116 [09/2014 - 10/2015] , or refer to PROCEDURE - Step 117 [10/2015 - 11/2017]

  23. RESET MEMORY 

    Refer to INITIALIZATION [09/2014 - 11/2017]