2007 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Camshaft Timing Oil Control Valve 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. REMOVE V-BANK COVER 
    1. Remove the 2 nuts and V-bank cover.
  3. REMOVE INTAKE AIR CONNECTOR PIPE 
    1. Disconnect the air hose and ventilation hose.
    2. Loosen the 2 hose clamps.
    3. Remove the bolt and intake air connector.
  4. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 1) 
    1. Disconnect the oil control valve connector.
    2. Remove the bolt and oil control valve.
    3. Remove the O-ring from the oil control valve.
      Fig 1: Locating Oil Control Valve Connector
      G05291575Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 2) 
    1. Remove the 2 bolts and wire harness.
      Fig 2: Locating Wire Harness With Bolts
      G05291576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the oil control valve connector.
    3. Remove the bolt and oil control valve.
    4. Remove the O-ring from the oil control valve.
      Fig 3: Locating Oil Control Valve Connector
      G05291577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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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