2007 Lexus LX 470FACTORY OEM SERVICE PROCEDURE

Automatic Transmission Unit: Disassembly

  1. REMOVE TRANSMISSION CONTROL SHAFT LEVER LH 
    1. Remove the nut, washer and control shaft lever LH.
      Fig 1: Locating Transmission Control Shaft Lever LH Nut
      G05282861Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY 
    1. Using a screwdriver, pry out the lock washer.
    2. Remove the nut, lock washer and bolt.
    3. Remove the park/neutral position switch.
  3. REMOVE OIL COOLER TUBE UNION 
    1. Remove the 2 oil cooler tube unions.
    2. Remove the O-ring from the oil cooler tube union.
      Fig 2: Locating Nut, Lock Washer And Bolt
      G05282862Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE TRANSMISSION REVOLUTION SENSOR 
    1. Remove the 2 bolts and 2 transmission revolution sensors.
    2. Remove the O-ring from each sensor.
      Fig 3: Locating Bolts And Speed Sensor
      G05282863Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE AUTOMATIC TRANSAXLE BREATHER TUBE 
    1. Remove the 3 bolts.
    2. Remove the breather tube.
    3. Remove the O-ring from each tube.
      Fig 4: Identifying Automatic Transaxle Breather Tube
      G05282864Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE AUTOMATIC TRANSMISSION HOUSING 
    1. Remove the 10 bolts.
    2. Remove the transmission housing.
      Fig 5: Locating Automatic Transmission Housing Bolts
      G05282865Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE TRANSMISSION CASE ADAPTER SUB-ASSEMBLY 
    1. Remove the 8 bolts.
    2. Remove the transmission case adapter assembly.

      HINT:

      Use a brass bar and a hammer to remove the extension housing assembly.

    3. Remove the gasket from the transmission case adapter adapter assembly.
      Fig 6: Identifying Transmission Case Adapter Assembly Bolts
      G05282866Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE TRANSMISSION CASE ADAPTOR OIL SEAL 
    1. Using a screwdriver, pry out the oil seal.
      Fig 7: Prying Out Oil Seal Using Screwdriver
      G05282867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. FIX AUTOMATIC TRANSMISSION CASE SUB-ASSEMBLY 
    1. Install the transmission case on the overhaul attachment.
  10. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY 
    NOTE: Do not turn the transmission over as this will contaminate the valve body with foreign matter on the bottom of the pan.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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