2006 Lexus GS 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 COOL AIR INTAKE DUCT SEAL 
    1. Remove the 7 clips and intake duct seal.
      Fig 1: Identifying Clips And Intake Duct Seal
      G04027185Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE ENGINE ROOM SIDE COVER RH 
    1. Remove the nut, 2 clips and side cover.
      Fig 2: Identifying Engine Room Side Cover RH
      G04027186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE ENGINE ROOM SIDE COVER LH 
    1. Remove the 3 clips and side cover.
      Fig 3: Identifying Engine Room Side Cover LH
      G04027187Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE V-BANK COVER 
    1. Remove the 2 nuts and V-bank cover.
  6. REMOVE NO. 1 AIR CLEANER INLET 
    1. Remove the bolt and No. 1 air cleaner inlet.
  7. REMOVE INTAKE AIR CONNECTOR PIPE (  8  ) 
  8. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY RH 
    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 4: Identifying Camshaft Timing Oil Control Valve Assembly RH
      G04027188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY LH 
    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 5: Identifying Camshaft Timing Oil Control Valve Assembly LH
      G04027189Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.