2007 Lexus LS 460LFACTORY OEM SERVICE PROCEDURE

Automatic Transmission Unit: Disassembly

  1. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH 
    Fig 1: Locating Transmission Control Shaft Lever Nut
    G04948614Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the nut and transmission control shaft lever.
  2. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY 
    Fig 2: Identifying Park/Neutral Position Switch Bolt, Nut And Lock Washer
    G04948615Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using a screwdriver, bend the tabs of the lock washer.
    2. Remove the nut and lock washer.
    3. Remove the bolt and park/neutral position switch.
  3. REMOVE OIL COOLER TUBE UNION 
    Fig 3: Identifying Oil Cooler Tube Unions
    G04948616Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 oil cooler tube unions.
    2. Remove the O-rings from the oil cooler tube unions.
  4. REMOVE NO. 1 BREATHER PLUG 
    Fig 4: Locating No. 1 Breather Plug
    G04948617Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE AUTOMATIC TRANSMISSION FLANGE YOKE ASSEMBLY 
    Fig 5: Loosening Nut
    G04948618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using SST and a hammer, loosen the staked part of the nut.

      SST 09930-00010 

    2. Using SST and a 30 mm socket wrench, remove the nut.
      Fig 6: Removing Nut
      G04948619Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09330-00021, 09950-30012 (09955-03040) 

    3. Remove SST.
    4. Tap the flange yoke with a plastic-faced hammer to remove it.
    5. Remove the 2 output shaft rear bearing No. 1 spacers and rear cover sleeve.
    6. Using a screwdriver, pry out the oil seal from the flange yoke.
      Fig 7: Identifying Oil Seal
      G04948620Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY 
    NOTE: Do not turn the transmission over as this will contaminate the valve body with foreign matter located at the bottom of the pan.
    1. Remove the overflow plug and gasket.
    2. Remove the drain plug and gasket.
    3. Remove the 9 bolts, oil pan and gasket.
      Fig 8: Locating Oil Pan Bolts
      G04948406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Examine the particles in the pan.
      Fig 9: Checking Chips And Particles In Pan
      G04831117Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the magnets from the oil pan. Use the removed magnets to collect any steel chips. Look carefully at the chips and particles in the pan and on the magnet to anticipate the type of wear which might be found in the transmission. Steel (magnetic): bearing, gear and plate wear Brass (non-magnetic): bush wear
  7. REMOVE VALVE BODY OIL STRAINER ASSEMBLY 
    Fig 10: Locating Valve Body Oil Strainer Assembly Bolts
    G04948408Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 4 bolts and valve body oil strainer from the valve body.
    2. Remove the O-ring from the valve body oil strainer.
      Fig 11: Identifying O-Ring
      G04948409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE TRANSMISSION VALVE BODY ASSEMBLY 
    Fig 12: Locating Solenoid Valves Connectors
    G04948410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the bolt, lock plate and ATF temperature sensor.
    2. Remove the O-ring from the ATF temperature sensor.
    3. Disconnect the 8 connectors from the solenoid valves.
    4. Remove the bolt, detent spring cover and detent spring.
      Fig 13: Identifying Bolt, Detent Spring Cover And Detent Spring
      G04948411Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 17 bolts.
      Fig 14: Locating Valve Body Bolts
      G04948412Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the valve body.
    7. Disconnect the lever pin from the manual valve.
  9. REMOVE CHECK BALL BODY 
    Fig 15: Identifying Check Ball Body And Spring
    G04948413Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the check ball body and spring.
  10. REMOVE TRANSMISSION WIRE 
    Fig 16: Locating Speed Sensor Connectors
    G04948439Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the 3 connectors from the 3 speed sensors.
    2. Remove the bolt and pull out the transmission wire.
      Fig 17: Locating Transmission Wire Bolt
      G04948441Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the O-ring from the transmission wire connector.
  11. REMOVE SPEED SENSOR 
    Fig 18: Locating Speed Sensors NC3 And SP2
    G04948631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 bolts and 2 speed sensors NC3 and SP2.
    2. Using a T30 "TORX" wrench, remove the bolt and speed sensor NT.
    3. Remove the O-ring from the speed sensor NT.
  12. REMOVE AUTOMATIC TRANSMISSION CASE PLUG 
    Fig 19: Locating Automatic Transmission Case Plug
    G04948632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the plug and O-ring.
  13. REMOVE PARKING LOCK PAWL BRACKET 
    Fig 20: Locating Parking Lock Pawl Bracket Bolts
    G04948633Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 3 bolts and parking lock pawl bracket.
  14. REMOVE PARKING LOCK ROD SUB-ASSEMBLY 
    Fig 21: Disconnecting Parking Lock Rod
    G04948634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the parking lock rod from the manual valve lever.
  15. REMOVE PARKING LOCK PAWL SHAFT 
    Fig 22: Removing E-Ring
    G04948635Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Pull out the parking lock pawl shaft from the front side, then remove the lock pawl and spring.
    2. Remove the E-ring from the shaft.
  16. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY 
    Fig 23: Cutting Off Spacer
    G04948636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using a screwdriver and hammer, cut off the spacer and remove it from the shaft.
    2. Using a pin punch and hammer, tap out the spring pin.
      Fig 24: Tapping Out Spring Pin
      G04948637Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      Slowly tap out the spring pin so that it does not fall into the transmission case.

    3. Pull the manual valve lever shaft out through the case, and remove the manual valve lever.
  17. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL 
    1. Using a screwdriver, pry out the oil seal.
      Fig 25: Prying Out Oil Seal
      G04948638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE OIL PUMP ASSEMBLY 
    Fig 26: Locating Transmission Case Bolts
    G04948639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 11 bolts from the transmission case.
    2. Pull out the oil pump.
      Fig 27: Locating Oil Pump
      G04948640Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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