Automatic Transmission Assembly Removal

Transmission. Lexus Gs430, Gs300. Uzs190 Grs190
A760E 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. DRAIN COOLANT

  5. DRAIN AUTOMATIC TRANSMISSION FLUID

  6. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET

  7. REMOVE FRONT EXHAUST PIPE ASSEMBLY

  8. REMOVE PROPELLER W/CENTER BEARING SHAFT ASSEMBLY

  9. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH

  10. REMOVE STARTER ASSEMBLY

  11. REMOVE DRIVE PLATE & TORQUE CONVERTER CLUTCH SETTING BOLT

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

  13. SEPARATE FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY

  14. SUPPORT AUTOMATIC TRANSMISSION ASSEMBLY

  15. REMOVE ENGINE REAR MOUNTING MEMBER

  16. SEPARATE CONNECTOR

  17. SEPARATE WIRE HARNESS

  18. SEPARATE WATER BY-PASS HOSE

  19. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY

  20. REMOVE ENGINE MOUNTING INSULATOR REAR NO.1

  21. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH

  22. REMOVE TRANSMISSION OIL COOLER

  23. REMOVE TORQUE CONVERTER CLUTCH ASSEMBLY

  24. INSPECT TORQUE CONVERTER CLUTCH ASSEMBLY

Automatic Transmission Assembly -- Removal



1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


2. REMOVE ENGINE UNDER COVER
(Click here)


3. REMOVE ENGINE UNDER COVER NO.2
(Click here)


4. DRAIN COOLANT
(Click here)


5. DRAIN AUTOMATIC TRANSMISSION FLUID
  1. Remove the drain plug and gasket, and drain the ATF.

  1. Install a new gasket and the drain plug.

    Torque:
    20 N*m{204 kgf*cm, 15 ft.*lbf}


6. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET


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



7. REMOVE FRONT EXHAUST PIPE ASSEMBLY
(Click here)


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


9. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH
(Click here)


10. REMOVE STARTER ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Disconnect the starter connector.

  1. Detach the terminal cap.

  1. Remove the nut and disconnect the starter cable.

  1. Remove the 2 bolts and starter.



11. REMOVE DRIVE PLATE & TORQUE CONVERTER CLUTCH SETTING BOLT
  1. Turn the crankshaft to gain access to each bolt.



    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Hold the crankshaft pulley nut with a wrench and remove the 6 torque converter clutch setting bolts.



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


    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the 2 bolts and exhaust pipe No.1 support bracket sub-assembly from the automatic transmission assembly.



13. SEPARATE FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY
  1. Set the shift lever to the neutral position.



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



14. SUPPORT AUTOMATIC TRANSMISSION ASSEMBLY


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



15. REMOVE ENGINE REAR MOUNTING MEMBER


    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the 4 bolts, and separate the engine rear mounting member from the body.



    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the 4 nuts and engine rear mounting member from the automatic transmission assembly.



16. SEPARATE CONNECTOR


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Tilt down the automatic transmission assembly.



    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Disconnect the neutral start switch connector, transmission wire connector and 2 transmission revolution sensor connectors.



17. SEPARATE WIRE HARNESS


    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the 3 bolts and separate the wire harness clamps from the automatic transmission assembly.



18. SEPARATE WATER BY-PASS HOSE


    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the bolt and water by-pass hose clamp.

  1. Using pliers, grip the claws of the clips and slide the clips to separate the 2 water by-pass hoses from the transmission oil cooler.



19. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 9 bolts and automatic transmission assembly.



20. REMOVE ENGINE MOUNTING INSULATOR REAR NO.1


    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the 4 bolts and engine mounting insulator rear No.1 from the automatic transmission assembly.



21. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH


    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the nut and transmission control shaft lever from the park/neutral posittion switch assembly.



22. REMOVE TRANSMISSION OIL COOLER


    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Remove the 3 bolts, transmission oil cooler and valve body down shift plug spacer from the automatic transmission assembly.

  1. Remove the 4 O-rings from the valve body down shift plug spacer.



23. REMOVE TORQUE CONVERTER CLUTCH ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190.A760E Automatic Transmission.Electronic Controlled Automatic Transmission System.Automatic Transmission Assembly  Removal
  1. Put matchmarks on the torque converter and transmission case.

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



24. INSPECT TORQUE CONVERTER CLUTCH ASSEMBLY
(Click here)