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Home >> Lexus >> 2014 >> IS 350 Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission System (Aa81E) - Service Information (1 Of 2)) >> AUTOMATIC TRANSMISSION ASSEMBLY (for 8AR-FTS) >> Installation [08/2015 - ] >> Procedure

Installation [08/2015 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  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 and ring gear sub-assembly.
      GTY665281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Engine Assembly Surface
      *b Drive Plate and Ring Gear Sub-assembly 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.
      GTY671873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark
      NOTE:

      Install the torque converter assembly to the input shaft while keeping it horizontal.

    3. Rotate the torque converter assembly approximately 180° and engage the splines of the stator shaft with the stator assembly.
      GTY664066Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Oil Pump Oil Seal
      NOTE:
      • Do not damage the front oil pump oil seal.
      • Install the torque converter assembly to the input shaft while keeping it horizontal.
    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.
      GTY625324Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Front Oil Pump Oil Seal
      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.
    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.
      GTY642270Courtesy 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 transmission assembly is installed to the engine assembly with the torque converter assembly not sufficiently inserted, the torque converter assembly may be damaged.
  2. INSTALL AUTOMATIC TRANSMISSION ASSEMBLY 
    1. Apply clutch spline grease to the surface of the part of the crankshaft that contacts the torque converter assembly centerpiece.
      GTY508241Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Drive Plate and Ring Gear Sub-assembly
      *2 Crankshaft
      *a 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. GTY669460Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark

      Make sure that the matchmark is positioned as shown in the illustration.

    3. Using a rope or equivalent, lift and support the automatic transmission assembly horizontally at the positions shown in the illustration.
      WARNING:
      • Do not raise the automatic transmission assembly more than necessary.
      • Make sure to confirm the center of gravity of the automatic transmission assembly when lifting and supporting it.
      GTY634750Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Support Position - -
    4. GTY661525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Knock Pin

      Confirm that the 2 knock pins are installed to the engine assembly and are not damaged.

    5. 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 to the engine assembly with the 9 bolts.

      Bolt (A), (B) 

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

      Bolt (C) 

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

      NOTE:
      • 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.

      HINT: 

      Bolt Length: 

      • Bolt (A): 70 mm (2.76 in.)
      • Bolt (B): 50 mm (1.97 in.)
      • Bolt (C): 43 mm (1.69 in.)
    6. Remove a rope or equivalent from the automatic transmission assembly.
  3. 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 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.

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

      Make sure that the flywheel side cover is securely installed.

  5. INSTALL STARTER ASSEMBLY 

    Refer to PROCEDURE - Step 1 [08/2015 - 10/2016] , or refer to PROCEDURE - Step 1 [10/2016 - ]

  6. INSTALL NO. 1 AIR TUBE 
    1. Connect the No. 1 air tube to the No. 1 air hose and tighten the hose clamp.

      Torque: 6.3 N*m (64 kgf*cm, 56 in.*lbf) 

    2. Connect the No. 1 air tube to the intercooler assembly and tighten the hose clamp.

      Torque: 6.3 N*m (64 kgf*cm, 56 in.*lbf) 

    3. Install the No. 1 air tube to the engine assembly with the 2 bolts.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

    4. Connect the No. 3 ventilation hose to the No. 1 air tube, and slide the clip to secure it.
  7. CONNECT WATER BY-PASS HOSE 
    1. Connect the No. 12 water by-pass hose to the transmission oil cooler and slide the clip to secure it.
    2. Connect the No. 13 water by-pass hose to the transmission oil cooler and slide the clip to secure it.
  8. INSTALL WIRE HARNESS CLAMP BRACKET 
    1. Install the wire harness clamp bracket to the automatic transmission assembly with the bolt.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

    2. Engage the clamp to connect the wire harness.
  9. CONNECT WIRE HARNESS 
    1. Connect the wire harness to the automatic transmission assembly with the bolt and nut.

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

    2. Engage the clamp to connect the No. 13 water by-pass hose to the wire harness.
    3. Engage the clamp to connect the breather plug hose to the wire harness.
    4. Connect the transmission wire connector.

      HINT: 

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

    5. Connect the park/neutral position switch assembly connector.
  10. INSTALL FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY 
    1. GTY513117Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Pin
      *2 Clip

      Install the floor shift gear shifting rod sub-assembly to the transmission control shaft lever RH with the pin.

    2. Install a new clip.
    3. GTY462123Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Transmission Control Shaft Lever RH
      *a P
      *b R
      *c N

      Turn the transmission control shaft lever RH counterclockwise until it stops, then turn it clockwise 2 notches.

    4. Move the shift lever to N.
  11. INSTALL TRANSMISSION INSULATOR 
    1. Install transmission insulator to the automatic transmission assembly with the 2 bolts.
      GTY658690Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

      NOTE:

      Temporarily tighten the bolt (A), and then fully tighten the 2 bolts in the order of (B) then (A).

  12. INSTALL EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY (TWC: Front and Rear Catalyst) 

    Refer to PROCEDURE - Step 2

  13. INSTALL NO. 4 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 4

  14. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 5

  15. INSTALL REAR NO. 1 ENGINE MOUNTING INSULATOR 

    Refer to PROCEDURE - Step 3 [08/2015 - 10/2016] , or refer to PROCEDURE - Step 3 [10/2016 - 09/2020] , or refer to PROCEDURE - Step 3 [09/2020 - ]

  16. INSTALL REAR ENGINE MOUNTING MEMBER 

    Refer to PROCEDURE - Step 4 [08/2015 - 10/2016] , or refer to PROCEDURE - Step 4 [10/2016 - 09/2020] , or refer to PROCEDURE - Step 4 [09/2020 - ]

  17. INSTALL ENGINE ASSEMBLY WITH TRANSMISSION 

    Refer to INSTALLATION [08/2015 - 10/2016] , or refer to INSTALLATION [10/2016 - 09/2020] , or refer to INSTALLATION [09/2020 - ]

  18. RESET MEMORY 

    Refer to INITIALIZATION [08/2015 - ]