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Home >> Lexus >> 2008 >> GS 350 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - System And Circuit Testing, On-Vehicle Inspection, Removal, Inspection & Installation >> Camshaft Timing Oil Control Valve Assembly >> Removal
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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  (See REMOVAL )
  3. REMOVE ENGINE ROOM SIDE COVER RH  (See REMOVAL )
  4. REMOVE ENGINE ROOM SIDE COVER LH  (See REMOVAL )
  5. REMOVE V-BANK COVER  (See REMOVAL )
  6. REMOVE FRONT UPPER FENDER PROTECTOR LH  (See REMOVAL )
  7. REMOVE FRONT UPPER FENDER PROTECTOR RH  (See REMOVAL )
  8. REMOVE FRONT FENDER TO COWL SIDE SEAL LH  (See REMOVAL )
  9. REMOVE FRONT FENDER TO COWL SIDE SEAL RH  (See REMOVAL )
  10. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH  (See REMOVAL )
  11. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH  (See REMOVAL )
  12. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY  (See REMOVAL )
  13. DRAIN ENGINE COOLANT  (See REPLACEMENT )
  14. DISCONNECT NO. 2 VENTILATION HOSE  (See REMOVAL  )
  15. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE  (See REMOVAL  )
  16. REMOVE THROTTLE BODY  (See REMOVAL  )
  17. REMOVE INTAKE AIR SURGE TANK  (See REMOVAL )
  18. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE (for Exhaust Side of 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: Identifying Oil Control Valve Connector With Bolt
      G05285330Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE (for Intake Side of Bank 1) 
    1. Remove the bolt and V-bank cover bracket.
      Fig 2: Locating V-Bank Cover Bracket Bolt
      G05285331Courtesy 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
      G05285332Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE (for Intake Side of Bank 2) 
    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: Locating Oil Control Valve Connector With Bolt
      G05285333Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE (for Exhaust Side of Bank 2) 
    1. Disconnect the wiring harness from the bracket.
    2. Remove the bolt and bracket.
      Fig 5: Locating Bracket Bolt
      G05285334Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the oil control valve connector.
    4. Remove the bolt and oil control valve.
    5. Remove the O-ring from the oil control valve.
      Fig 6: Locating Oil Control Valve Connector
      G05285335Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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