Automatic Transmission Assembly Removal

Transmission. Lexus Gs430, Gs300. Uzs190 Grs190
A761E Automatic Transmission. Lexus Gs430, Gs300. Uzs190 Grs190

  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

  5. REMOVE EXHAUST PIPE NO.1 SUPPORT BRACKET SUB-ASSEMBLY

  6. REMOVE PROPELLER W/CENTER BEARING SHAFT ASSEMBLY

  7. DRAIN AUTOMATIC TRANSMISSION FLUID

  8. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET

  9. SEPARATE OIL COOLER INLET TUBE NO.1

  10. REMOVE OIL COOLER OUTLET TUBE NO.1

  11. REMOVE FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY

  12. SUPPORT AUTOMATIC TRANSMISSION ASSEMBLY

  13. REMOVE ENGINE REAR MOUNTING MEMBER

  14. DISCONNECT WIRE HARNESS AND CONNECTORS

  15. REMOVE FLYWHEEL HOUSING UNDER COVER

  16. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY

  17. REMOVE ENGINE MOUNTING INSULATOR REAR NO.1

  18. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH

  19. REMOVE TORQUE CONVERTER CLUTCH ASSEMBLY

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
(Click here)


5. REMOVE EXHAUST PIPE NO.1 SUPPORT BRACKET SUB-ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 2 bolts and exhaust pipe No.1 support bracket sub-assembly.



6. REMOVE PROPELLER W/CENTER BEARING SHAFT ASSEMBLY
(Click here)


7. DRAIN AUTOMATIC TRANSMISSION FLUID


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the drain plug, the gasket , and drain the ATF.

  1. Install a new gasket and the drain plug.

    Torque:
    20 N*m{205 kgf*cm, 15 ft.*lbf}


8. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 2 bolts and engine under cover air guide bracket.



9. SEPARATE OIL COOLER INLET TUBE NO.1


  1. Remove the 2 bolts and 2 clamps.


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal



    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Loosen the union nut and separate the oil cooler inlet tube No.1.



10. REMOVE OIL COOLER OUTLET TUBE NO.1


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Loosen the union nut and separate the oil cooler outlet tube No.1.



11. REMOVE FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the nut and separate the floor shift gear shifting rod.



12. SUPPORT AUTOMATIC TRANSMISSION ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Support the automatic transmission with a transmission jack.



13. REMOVE ENGINE REAR MOUNTING MEMBER


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the 4 bolts and separate the engine rear mounting member.



    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the 4 nuts and engine rear mounting member.



14. DISCONNECT WIRE HARNESS AND CONNECTORS


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Tilt down the automatic transmission.

    NOTICE:
    Take care so that the cooling fan does not come into contact with the fan shroud.


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the 5 bolts and wire harness clamps.

    HINT:
    Bolt (A) is tightened to the transmission housing.
  1. Disconnect the park/neutral position switch connector.

  1. Disconnect the transmission wire connector.

  1. Disconnect the 2 speed sensor connectors.

  1. Separate the wire harness from the automatic transmission.



15. REMOVE FLYWHEEL HOUSING UNDER COVER


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 2 bolts and flywheel housing under cover.



16. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Turn the crankshaft to gain access to each bolt.

  1. Hold the crankshaft pulley nut with a wrench and remove the 6 bolts.



    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 9 bolts.

  1. Separate and remove the automatic transmission.



17. REMOVE ENGINE MOUNTING INSULATOR REAR NO.1


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the 4 bolts and engine mounting insulator rear No.1.



18. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the nut and transmission control shaft lever RH.



19. REMOVE TORQUE CONVERTER CLUTCH ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Put matchmarks on the transmission case and torque converter clutch.

  1. Remove the torque converter clutch from the automatic transmission.