2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Camshaft Timing Oil Control Valve Assembly: Installation

  1. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 1) 
    1. Install a new O-ring to the oil control valve.
    2. Install the oil control valve with the bolt.

      Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf) 

    3. Connect the oil control valve connector.
      Fig 1: Locating Bolt And Oil Control Valve
      G05291577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the engine wire protector with the 2 bolts.

      Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf) 

      Fig 2: Locating Bolt And Oil Control Valve
      G05291576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 2) 
    1. Install a new O-ring to the oil control valve.
    2. Install the oil control valve with the bolt.

      Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf) 

    3. Connect the oil control valve connector.
    Fig 3: Locating Bolt And Oil Control Valve
    G05291575Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL INTAKE AIR CONNECTOR PIPE 
    1. Connect the air hose and ventilation hose.
    2. Install the bolt and intake air connector pipe with the bolt.

      Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf) 

    3. Tighten the 2 hose clamps.

    Torque: 4.0 N*m (41 kgf*cm, 35 in.*lbf) 

  4. INSTALL V - BANK COVER 
    1. Install the cover with the 2 nuts.

    Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf) 

  5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  6. PERFORM INITIALIZATION 
    1. Perform initialization (see INITIALIZATION ).
    NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
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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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