LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> GS 430 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> Automatic Transmission Assembly >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Automatic Transmission Assembly: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
  2. REMOVE ENGINE UNDER COVER 
  3. REMOVE ENGINE UNDER COVER NO.2 
  4. REMOVE FRONT EXHAUST PIPE ASSEMBLY 

    (See INSTALLATION )

  5. REMOVE EXHAUST PIPE NO.1 SUPPORT BRACKET SUB-ASSEMBLY 
    1. Remove the 2 bolts and exhaust pipe No.1 support bracket sub-assembly.
    Fig 1: Identifying Exhaust Pipe Support Bracket Bolts
    G05286679Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE PROPELLER W/CENTER BEARING SHAFT ASSEMBLY 

    (See REMOVAL )

  7. DRAIN AUTOMATIC TRANSMISSION FLUID (See  REMOVAL  ) 
  8. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET (See  REMOVAL  ) 
  9. SEPARATE OIL COOLER INLET TUBE NO.1 
    1. Remove the 2 bolts and 2 clamps.
      Fig 2: Identifying Oil Cooler Inlet Tube Clamp And Union Nut
      G05295429Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Loosen the union nut and separate the oil cooler inlet tube No.1.
    Fig 3: Locating Oil Cooler Inlet Tube Union Nut
    G05289797Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE OIL COOLER OUTLET TUBE NO.1 
    1. Loosen the union nut and separate the oil cooler outlet tube No.1.
    Fig 4: Locating Oil Cooler Outlet Tube Union Nut
    G05289798Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY 
    1. Remove the nut and separate the floor shift gear shifting rod.
    Fig 5: Locating Floor Shift Gear Shifting Rod Nut
    G05286607Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. SUPPORT AUTOMATIC TRANSMISSION ASSEMBLY 
    1. Support the automatic transmission with a transmission jack.
    Fig 6: Supporting Automatic Transmission With Transmission Jack
    G05289800Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE ENGINE REAR MOUNTING MEMBER 
    1. Remove the 4 bolts and separate the engine rear mounting member.
      Fig 7: Locating Engine Rear Mounting Member Bolts
      G05286617Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 nuts and engine rear mounting member.
    Fig 8: Locating Engine Rear Mounting Member Nuts
    G05295435Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. DISCONNECT WIRE HARNESS AND CONNECTORS 
    1. Tilt down the automatic transmission.
      NOTE: Take care so that the cooling fan does not come into contact with the fan shroud.
      Fig 9: Tilting Down Automatic Transmission
      G05286621Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 5 bolts and wire harness clamps.

      HINT:

      Bolt (A) is tightened to the transmission housing.

    3. Disconnect the park/neutral position switch connector.
    4. Disconnect the transmission wire connector.
    5. Disconnect the 2 speed sensor connectors.
    6. Separate the wire harness from the automatic transmission.
    Fig 10: Locating Wire Harness Clamp Bolts
    G05295437Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE FLYWHEEL HOUSING UNDER COVER 
    1. Remove the 2 bolts and flywheel housing under cover.
    Fig 11: Locating Flywheel Housing Under Cover Bolts
    G05286623Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY 
    1. Turn the crankshaft to gain access to each bolt.
    2. Hold the crankshaft pulley nut with a wrench and remove the 6 bolts.
      Fig 12: Locating Torque Converter Clutch Mounting Bolts
      G05286624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 9 bolts.
    4. Separate and remove the automatic transmission.
    Fig 13: Locating Automatic Transmission Bolts
    G05286625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE ENGINE MOUNTING INSULATOR REAR NO.1 
    1. Remove the 4 bolts and engine mounting insulator rear No. 1.
    Fig 14: Locating Engine Mounting Rear Insulator Bolts
    G05295441Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH 
    1. Remove the nut and transmission control shaft lever RH.
    Fig 15: Locating Transmission Control Shaft Lever Nut (RH)
    G05295442Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE TORQUE CONVERTER CLUTCH ASSEMBLY 
    1. Put matchmarks on the transmission case and torque converter clutch.
    2. Remove the torque converter clutch from the automatic transmission.
    Fig 16: Identifying Matchmarks On Transmission Case And Torque Converter Clutch
    G05295443Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002