2005 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Camshaft Timing Oil Control Valve ASSY LH: Replacement

  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 CAMSHAFT TIMING OIL CONTROL VALVE ASSY 
    1. Disconnect the oil control valve connector.
    2. Remove the bolt, oil control valve and O-ring.
  4. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSY 
    1. Install a new O-ring to the oil control valve.
    2. Install the oil control valve with the bolt.

      Torque: 8.5 N.m (87 kgf.cm, 75 in.lbf) 

    3. Connect the oil control valve connector.
  5. INSTALL V-BANK COVER 
    1. Install the V-bank cover with the 2 nuts.

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

  6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  7. 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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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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