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Home >> Lexus >> 2006 >> IS 250 AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (A760H) >> Automatic Transmission Assembly >> Installation

Automatic Transmission Assembly: Installation

  1. INSTALL TORQUE CONVERTER CLUTCH ASSEMBLY 
    1. Using calipers and a straight edge, measure dimension A between the transmission and the end surface of the drive plate (#1).
      Fig 1: Measuring Dimension A Between Transmission & End Surface Of Drive Plat
      G04045358Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Aligning the matchmarks on the transmission case and torque converter, engage the splines of the input shaft and turbine runner.
      Fig 2: Aligning Matchmarks On Transmission Case & Torque Converter
      G04045359Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    3. Engage the splines of the stator shaft and stator while turning the torque converter.

      HINT:

      Turn the torque converter approximately 180°.

      Fig 3: Engaging Splines Of Stator Shaft & Stator
      G04045360Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    4. Turn the torque converter and align the matchmarks on the torque converter and transmission case to engage the key of the oil pump drive gear into the slot on the torque converter.
      NOTE: Do not push on the torque converter when aligning the matchmarks.
      Fig 4: Aligning Matchmarks On Torque Converter & Transmission Case
      G04045361Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    5. Using calipers and a straight edge, measure dimension B and check that B is greater than A measured in step (#1).

    Standard: 

    A + 1 mm (0.04 in.) or more 

    Fig 5: Measuring Dimension B & Checking If B Is Greater Than A
    G04045362Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  2. INSTALL TRANSMISSION OIL COOLER 
    1. Coat 2 new O-rings with ATF, and install them to the transmission oil cooler.
    2. Coat 2 new O-rings with ATF, and install them to the spacer.
      Fig 6: Identifying Spacer O-Rings
      G04053117Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    3. Install the transmission oil cooler and spacer to the automatic transmission assembly with the 3 bolts.

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

    Fig 7: Installing Transmission Oil Cooler And Spacer To Automatic Transmission Assembly With Bolts
    G04045364Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  3. INSTALL TRANSMISSION CONTROL SHAFT LEVER LH 
    1. Install the transmission control shaft lever to the automatic transmission assembly with the nut.

    Torque: 16 N*m (163 kgf*cm, 12 ft.*lbf) 

    Fig 8: Installing Transmission Control Shaft Lever To Automatic Transmission Assembly With Nut
    G04045365Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  4. INSTALL TRANSFER DYNAMIC DAMPER 
    1. Install the transfer dynamic damper to the automatic transmission assembly with the 2 bolts.

    Torque: 52 N*m (530 kgf*cm, 38 ft.*lbf) 

    Fig 9: Installing Transfer Dynamic Damper To Automatic Transmission Assembly With Bolts
    G04045366Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  5. INSTALL REAR NO. 1 ENGINE MOUNTING INSULATOR 
    1. Install the rear No. 1 engine mounting insulator to the automatic transmission assembly with the 3 bolts.
      Fig 10: Installing Rear No. 1 Engine Mounting Insulator To Automatic Transmission Assembly With Bolts
      G04045367Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

      Torque: 60 N*m (612 kgf*cm, 44 ft.*lbf) 

    2. Install the engine rear mounting member to the engine mounting insulator rear No. 1 with the 3 bolts.

      Torque: 38 N*m (380 kgf*cm, 28 ft.*lbf) 

    Fig 11: Installing Engine Rear Mounting Member To Engine Mounting Insulator Rear No. 1 With Bolts
    G04045368Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  6. INSTALL AUTOMATIC WITH TRANSMISSION TRANSFER ASSEMBLY 
    1. Install the automatic transmission assembly to the engine with the 9 bolts.

      Torque: Bolts A and B 

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

      Bolt C 

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

      Fig 12: Installing Automatic Transmission Assembly To Engine With Bolts
      G04045369Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

      HINT:

      • Make sure that the mark is as shown in Fig 13 .
      • Do not use excess force to pry on the transmission assembly.
  7. INSTALL WATER BY-PASS HOSE 
    1. Tilt down the automatic transmission assembly.
      Fig 13: Tilting Down Automatic Transmission Assembly
      G04045370Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Install the 2 water by-pass hoses to the transmission assembly.
    3. Install the water by-pass hose clamp with the bolt.

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

      Fig 14: Installing Water By-Pass Hose Clamp With Bolt
      G04045371Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  8. INSTALL WIRE HARNESS 
    1. Install the wire harness clamps to the automatic transmission assembly with the 4 bolts.

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

    Fig 15: Installing Wire Harness Clamps To Automatic Transmission Assembly With Bolts
    G04045372Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  9. CONNECT CONNECTOR 
    1. Connect the park/neutral position switch connector, transmission wire connector, and 2 transmission revolution sensor connectors.

    HINT:

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

    Fig 16: Connecting Park/Neutral Position Switch Connector & Transmission Wire Connector
    G04045373Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  10. INSTALL ENGINE REAR MOUNTING MEMBER 
    1. Install the engine rear mounting member to the body with the 4 bolts.

      Torque: 26 N*m (265 kgf*cm, 19 ft.*lbf) 

    Fig 17: Installing Engine Rear Mounting Member To Body With Bolts
    G04045374Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  11. INSTALL FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY 
    1. Temporarily tighten the floor shift gear shifting rod sub-assembly with the nut.
      Fig 18: Tightening Floor Shift Gear Shifting Rod Sub-Assembly With Nut
      G04045375Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Install the bolt and earth wire to the automatic transmission assembly.

    Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) 

    Fig 19: Installing Bolt & Earth Wire To Automatic Transmission Assembly
    G04045376Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  12. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY 
    1. Install the No. 1 exhaust pipe support bracket sub-assembly to the automatic transmission assembly with the 2 bolts.

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

    Fig 20: Installing No. 1 Exhaust Pipe Support Bracket Sub-Assembly To Automatic Transmission Assembly
    G04045377Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  13. INSTALL DRIVE PLATE & TORQUE CONVERTER CLUTCH SETTING BOLT 
    1. Install the 6 torque converter clutch setting bolts.

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

    HINT:

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

    Fig 21: Installing Torque Converter Clutch Setting Bolts
    G04045378Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  14. INSTALL STARTER ASSEMBLY (See  INSTALLATION  ) 
  15. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH (See step 2 in  INSTALLATION  ) 
  16. INSTALL FRONT PROPELLER SHAFT ASSEMBLY (See step 2 in  INSTALLATION  ) 
  17. INSTALL PROPELLER SHAFT WITH CENTER BEARING ASSEMBLY (See  INSTALLATION  ) 
  18. INSTALL OUTSIDE AIR GUIDE PLATE RH (See step 4 in  INSTALLATION  ) 
  19. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  20. ADJUST SHIFT LEVER POSITION (See  ADJUSTMENT   ) 
  21. INSPECT SHIFT LEVER POSITION (See  ON-VEHICLE INSPECTION   ) 
  22. INSTALL FRONT FLOOR NO. 1 HEAT INSULATOR (See step 3 in  INSTALLATION  ) 
  23. INSTALL FRONT EXHAUST PIPE ASSEMBLY (See step 4 in  INSTALLATION  ) 
  24. INSTALL OXYGEN SENSOR (See  INSTALLATION  ) 
  25. INSTALL FRONT CENTER FLOOR BRACE (See step 7 in  INSTALLATION  ) 
  26. INSTALL NO. 1 REAR FLOOR PANEL BRACE (See step 8 in  INSTALLATION  ) 
  27. ADD COOLANT 

    (See step 5 in ON-VEHICLE INSPECTION )

  28. ADD AUTOMATIC TRANSMISSION FLUID 

    (See ADJUSTMENT  )

  29. ADJUST COOLANT 

    (See ON-VEHICLE INSPECTION )

  30. CHECK FOR ENGINE COOLANT LEAKS (See  ON-VEHICLE INSPECTION  ) 
  31. CHECK FOR EXHAUST GAS LEAKS (See step 9 in  INSTALLATION  ) 
  32. INSTALL ENGINE UNDER COVER 
  33. INSTALL ENGINE ROOM SIDE COVER LH (See step 116 in  INSTALLATION  ) 
  34. INSTALL COOL AIR INTAKE DUCT SEAL (See step 118 in  INSTALLATION  ) 
  35. RESET MEMORY 

    (See INITIALIZATION  )

  36. PERFORM INITIALIZATION 

    Some systems need initialization after reconnecting the cable to the negative battery terminal

    (See INITIALIZATION ).