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Home >> Lexus >> 2003 >> LX 470 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Unit (Removal & Installation) >> Automatic Transmission Unit >> Removal

Automatic Transmission Unit: Removal

  1. Remove Battery 
  2. Remove Air Cleaner Cap Drive Belt, Fan And Fluid Coupling Assembly, Fan Shroud And Radiator Reservoir (See  Removal  ) 
    Fig 1: Removing Upper Side Mounting Bolt
    G01352624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Remove Oil Filler Pipe Upper Side Mounting Bolt 
    1. Remove The Level Gauge.
    2. Remove The Upper Side Mounting Bolt.

      Torque: 12 N.M (122 Kgf.Cm, 9 Ft.Lbf) 

    3. Disconnect The 2 Bleeder Hoses.
      Fig 2: Disconnecting Transmission Wire Connectors
      G01352625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Disconnect Connectors 
    1. Release The Lock And Disconnect The Transmission Wire Connector.
    2. Disconnect The 2 Transmission Wire Connectors.
    3. Separate The Connector Clamp.
      Fig 3: Removing Transfer Shift Lever Boot
      G01352626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. Remove Transfer Shift Lever Boot 
    1. Remove The Transfer Shift Lever Knob.
    2. Remove Upper Console Panel (See Components ).
    3. Remove The 4 Bolts And The Transfer Shift Lever Boot.

      Torque: 5.4 N.M (55 Kgf.Cm, 48 In.Lbf) 

  6. Remove Engine No. 1 And No. 2 Under Covers Torque: 29 N.M (296 Kgf.Cm, 21 Ft.Lbf) 
  7. Remove Lh And Rh Front Exhaust Pipes (See  Exhaust System  ) 
  8. Remove Front And Rear Propeller Shafts (See  Removal  ) 
    Fig 4: Removing Oil Filler Pipe
    G01352627Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. Remove Oil Filler Pipe 
    1. Remove The Bolt And The Filler Pipe.

      Torque: 12 N.M (122 Kgf.Cm, 9 Ft.Lbf) 

    2. Remove The O-Ring From The Filler Pipe.

      Hint:

      At The Time Of Installation, Replace The Used O-Ring With A New One.

  10. Separate Transmission Shift Control Rod 

    Remove The Clip And Pin And Separate The Shift Control Rod.

    Fig 5: Removing Transmission Shift Control Rod
    G01352628Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. Separate Transfer Shift Lever 

    Remove The Nut And Separate The Transfer Shift Lever Rod Assembly.

    Torque: 12 N.M (122 Kgf.Cm, 9 Ft.Lbf) 

    Fig 6: Removing Transfer Shift Lever Rod Assembly
    G01352629Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. Separate Wire Harness 
    1. Disconnect 3 Connectors.
    2. Remove The 3 Clamps From The Transmission Unit And Separate The Transmission Wire.
      Fig 7: Removing Wire Harness
      G01352630Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. Remove Torque Converter Clutchting Bolt 
    1. Remove The Bolt And The Hole Plug.

      Torque: 18 N.M (185 Kgf.Cm, 13 Ft.Lbf) 

      Fig 8: Removing Hole Plug
      G01352631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn The Crankshaft To Gain Access To Each Bolt.
      Fig 9: Removing Torque Converter Clutching Bolt
      G01352632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Hold The Crankshaft Pulley Nut With A Wrench, And Remove The 6 Bolts.

      Torque: 48 N.M (490 Kgf.Cm, 35 Ft.Lbf) 

      Hint:

      At The Time Of Installation, First Install The Green Colored Bolt. And Then Install The Other 5 Bolts.

  14. Disconnect Oil Cooler Pipes 
    1. Loosen The 2 Union Nuts.
    2. Remove The Bolt And The Clamp.

      Torque: 12 N.M (122 Kgf.Cm, 9 Ft.Lbf) 

    3. Remove The 2 Union Nuts And Disconnect The 2 Oil Cooler Pipes.

      Torque: 34 N.M (347 Kgf.Cm, 25 Ft.Lbf) 

      Fig 10: Disconnecting Oil Cooler Pipes
      G01352633Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. Separate Ground Cable 

    Remove The Bolt And Separate The Ground Cable.

    Torque: 20 N.M (204 Kgf.Cm, 15 Ft.Lbf) 

    Fig 11: Removing Ground Cable
    G01352634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. Remove Crossmember And Transfer Case Protector 
    1. Support The Transmission With A Jack.
      Fig 12: Removing Crossmember
      G01352635Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove The 3 Bolts And The Transfer Case Protector.

      Torque: 29 N.M (296 Kgf.Cm, 21 Ft.Lbf) 

    3. Remove The 8 Bolts, The 2 Nuts And The Crossmember.

      Torque: 

      Bolt: 50 N.M (510 Kgf.Cm, 37 Ft.Lbf) 

      Nut: 74 N.M (750 Kgf.Cm, 54 Ft.Lbf) 

      Fig 13: Removing Engine Mounting Insulator Rr
      G01352636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. Remove Engine Mounting Insulator Rr 

    Remove The 4 Bolts And The Engine Mounting Insulator Rr.

    Torque: 59 N.M (600 Kgf.Cm, 43 Ft.Lbf) 

    Hint:

    At The Time Of Installation, Install The Insulator Rear With The Inscribing Mark Facing Backward.

    Fig 14: Removing Transmission Unit Bolts
    G01352637Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. Remove Transmission 
    1. Lower The Rear End Of The Transmission Unit.
    2. Remove The Transmission Wire Clamp Bolt.
    3. Remove The 10 Bolts And The Transmission Unit.

      Torque: 

      Bolt A: 71 N.M (724 Kgf.Cm, 52 Ft.Lbf) 

      Bolt B: 37 N.M (377 Kgf.Cm, 27 Ft.Lbf) 

  19. Remove Wire Harness And Hose 
    1. Remove The 4 Bolts.

      Torque: 8.0 N.M (82 Kgf.Cm, 71 In.Lbf) 

    2. Release The Lock And Disconnect The Connector.
    3. Disconnect The 5 Connectors.
      Fig 15: Removing Wire Harness & Hose
      G01352638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Separate The 6 Connector Clamps.
    5. Disconnect The 5 Hoses And Remove The Wire Harness And The Hose.