Valve Body 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 NO.2

  3. DRAIN AUTOMATIC TRANSMISSION FLUID

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

  5. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET

  6. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY

  7. REMOVE VALVE BODY OIL STRAINER ASSEMBLY

  8. DISCONNECT TRANSMISSION WIRE

  9. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

Valve Body Assembly -- Removal


CAUTION:
When working with FIPG material, perform the following:
  1. Using a gasket scraper, remove all the old FIPG material from the gasket surfaces.
  2. Thoroughly clean all components to remove any loose material.
  3. Clean both sealing surfaces with a non-residue solvent.
  4. Apply FIPG in a continuous line (width approximately 1 mm (0.04 in.)) along the sealing surface.
  5. Parts must be assembled within 10 minutes of application. Otherwise, the FIPG material must be removed and reapplied.


1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


2. REMOVE ENGINE UNDER COVER NO.2


3. DRAIN AUTOMATIC TRANSMISSION FLUID


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Valve Body 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}


4. 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.



5. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the 2 bolts and engine under cover air guide bracket.



6. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY
NOTICE:
Some fluid will remain in the oil pan.


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the 20 bolts, oil pan and gasket.



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

  1. Remove the 3 magnets from the oil pan.

  1. Examine particles in the pan.

    1. Collect any steel chips with the removed magnets.
      Carefully look at the foreign objects and particles in the pan and on the magnets to guess the type of wear which might be found in the transmission.
      Steel (magnetic) ... bearing, gear and clutch plate wear
      Brass (non-magnetic) ...bushing wear



7. REMOVE VALVE BODY OIL STRAINER ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the 4 bolts and oil strainer.

    NOTICE:
    Be careful as some fluid will come out of the oil strainer.


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

  1. Remove the O-ring from the oil strainer.



8. DISCONNECT TRANSMISSION WIRE


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the bolt and lock plate, and separate the ATF temperature sensor.



    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the 2 bolts and disconnect the 2 clamps.



    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Disconnect the 9 connectors from the solenoid valves.



9. REMOVE TRANSMISSION VALVE BODY ASSEMBLY


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

  1. Remove the 20 bolts and valve body.



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

  1. Separate the lever pin from the manual valve.



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

  1. Remove the check ball body and spring.

    NOTICE:
    Do not drop the check ball body and spring.