2007 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Valve Body Assembly: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
  2. DRAIN AUTOMATIC TRANSMISSION FLUID 
    1. Remove the drain plug and gasket, and drain the ATF.
    2. Install a new gasket and the drain plug.

      Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) 

  3. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY 
    1. Remove the 4 bolts, 2 nuts and bracket.
      Fig 1: Locating Exhaust Pipe Support Bracket Sub-Assembly Bolts And Nut
      G05289699Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY 
    NOTE: Some fluid will remain in the oil pan.
    1. Remove the 20 bolts, oil pan and gasket.
      Fig 2: Locating Automatic Transmission Oil Pan Sub-Assembly Bolts
      G05289700Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 magnets from the oil pan.
    3. Examine the 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): bush wear

        Fig 3: Identifying Oil Pan Magnet
        G05289701Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE VALVE BODY OIL STRAINER ASSEMBLY 
    1. Remove the 4 bolts and oil strainer.
      NOTE: Be careful as some fluid will come out of the oil strainer.
Factory Service Tools

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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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