2007 Lexus RX 350 AWDFACTORY OEM SERVICE PROCEDURE

Camshaft Timing Oil Control Valve Assembly: Removal

  1. REMOVE WINDSHIELD WIPER LINK ASSEMBLY 

    HINT:

    (See REMOVAL )

  2. REMOVE COWL TOP PANEL OUTER SUB-ASSEMBLY 
    1. Disconnect the rain sensor connector, (with Auto Wiper)
    2. Remove the 2 wire harness clamps.
    3. Remove the grommet.
    4. Remove the 6 nuts, and then remove the 2 front shock absorber caps, (with Air Suspension)
    5. Remove the 4 set nuts of the shock absorber.
    6. Remove the 4 bolts and 2 nuts, and then remove the cowl top panel outer sub-assembly.
    7. Tighten the 4 set nuts of the shock absorber.

      Torque: 80 N*m (815 kgf*cm, 59 ft.*lbf) 

      HINT:

      Install the 4 nuts to prevent the shock absorber from dropping.

  3. DRAIN ENGINE COOLANT  (See ON-VEHICLE INSPECTION )
  4. REMOVE V-BANK COVER SUB-ASSEMBLY  (See REMOVAL )
  5. REMOVE NO. 2 AIR CLEANER INLET  (See REMOVAL )
  6. REMOVE NO. 1 AIR CLEANER INLET  (See REMOVAL )
  7. REMOVE AIR CLEANER CAP SUB-ASSEMBLY  (See REMOVAL  )
  8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY  (See REMOVAL )
  9. REMOVE INTAKE AIR SURGE TANK ASSEMBLY  (See REMOVAL  )
    Fig 1: Locating Cowl Top Panel Outer Sub-Assembly Bolts And Nuts
    G05268273Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 1 Exhaust Side) 
    1. Disconnect the camshaft timing oil control valve connector.
    2. Remove the bolt and camshaft timing oil control valve.
    3. Remove the O-ring from the camshaft timing oil control valve.
      Fig 2: Locating Camshaft Timing Oil Control Valve Bolt (For Bank 1 Exhaust Side)
      G04973847Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 1 Intake Side) 
    1. Disconnect the camshaft timing oil control valve connector.
    2. Remove the bolt and camshaft timing oil control valve.
    3. Remove the O-ring from the camshaft timing oil control valve.
      Fig 3: Locating Camshaft Timing Oil Control Valve Connector And Bolt (For Bank 1 Intake Side)
      G04973848Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 2 Exhaust Side) 
    1. Disconnect the camshaft timing oil control valve connector.
    2. Remove the bolt and camshaft timing oil control valve.
    3. Remove the O-ring from the camshaft timing oil control valve.
      Fig 4: Locating Camshaft Timing Oil Control Valve Bolt (For Bank 2 Exhaust Side)
      G04973850Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 2 Intake Side) 
    1. Disconnect the camshaft timing oil control valve connector.
    2. Remove the bolt and camshaft timing oil control valve.
    3. Remove the O-ring from the camshaft timing oil control valve.
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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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