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Home >> Lexus >> 2021 >> LX 570 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (Service Information) >> Valve Body Assembly >> Removal [09/2015 - ] >> Procedure

Removal [09/2015 - ]: Procedure

  1. REMOVE NO. 2 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 5

  2. REMOVE OIL PAN PROTECTOR ASSEMBLY 

    See step  12

  3. DRAIN AUTOMATIC TRANSMISSION FLUID 
    1. Using a 5 mm hexagon socket wrench, remove the overflow plug and gasket from the automatic transmission assembly and drain the automatic transmission fluid.
      GTY601063Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a 5 mm hexagon socket wrench, remove the transmission oil pan tube from the automatic transmission assembly and drain the automatic transmission fluid.
      GTY564551Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Transmission Oil Pan Tube
      *a Overflow Plug Hole
      *b 5 mm Hexagon Socket Wrench
    3. Using a 5 mm hexagon socket wrench, install the transmission oil pan tube to the automatic transmission assembly.

      Torque: 0.8 N*m (8 kgf*cm, 7 in.*lbf) 

    4. Using a 5 mm hexagon socket wrench, temporarily install the gasket and overflow plug to the automatic transmission assembly.

      Torque: 16 N*m (163 kgf*cm, 12 ft.*lbf) 

  4. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY 
    1. Remove the 11 bolts, automatic transmission oil pan sub-assembly and automatic transmission oil pan gasket.
      GTY610212Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Some fluid will remain in the automatic transmission oil pan sub-assembly. Remove all the pan bolts, and carefully remove the automatic transmission oil pan sub-assembly.

    2. Remove the 4 transmission oil cleaner magnets from the automatic transmission oil pan sub-assembly.
    3. Examine the particles in the automatic transmission oil pan sub-assembly.
      1. Collect any steel chips with the removed transmission oil cleaner magnets. Carefully look at the foreign objects and particles in the automatic transmission oil pan sub-assembly and on the transmission oil cleaner magnets to guess the type of wear which might be found in the transmission.

        Result:

        Steel (magnetic): bearing, gear and clutch plate wear

        Brass (non-magnetic): bush wear

  5. REMOVE VALVE BODY OIL STRAINER ASSEMBLY 
    1. Remove the 4 bolts and valve body oil strainer assembly from the transmission valve body assembly.
      GTY595319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be careful as some fluid will come out of the valve body oil strainer assembly.

    2. Remove the O-ring from the valve body oil strainer assembly.
      GTY595318Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE TRANSMISSION VALVE BODY ASSEMBLY 
    1. Remove the bolt, lock plate and ATF temperature sensor.
      GTY605134Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Lock Plate
      *2 ATF Temperature Sensor
      *3 Transmission Revolution Sensor (NT) Connector
      *a Protective Tape
    2. Remove the O-ring from the ATF temperature sensor.
    3. Using a screwdriver, disconnect the transmission revolution sensor (NT) connector.

      HINT: 

      Tape the screwdriver tip before use.

    4. Disconnect the 9 connectors from the solenoid valves.
    5. Remove the 14 bolts and transmission valve body assembly.
      GTY595325Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002