2006 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

Camshaft Position Sensor: Installation

  1. INSTALL CAMSHAFT POSITION SENSOR 
    1. Install the sensor with the bolt and stud bolt.

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

      Fig 1: Identifying Camshaft Position Sensor
      G04027203Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL NO. 3 TIMING BELT COVER SUBASSEMBLY LH 
    1. Install the gasket to the cover.
    2. Run the camshaft position sensor wire through the cover hole.
      Fig 2: Identifying Timing Belt Cover Subassembly LH
      G04027204Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the cover with the 4 bolts.

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

    4. Install the wire grommet to the cover.
    5. Install the sensor connector to the sensor holder.
    6. Connect the sensor connector.
    7. Install the sensor wire to the wire clamp on the cover.
    8. Install the engine wire to the 2 wire clamps on the cover.
    9. Connect the 2 water bypass hoses as shown in the illustration.
    10. Install the No. 3 water bypass pipe to the cover with the cap nut.

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

      Fig 3: Identifying Water By-Pass Pipe To Cover With Cap Nut
      G04027205Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL RADIATOR HOSE INLET 
  4. 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) 

  5. INSTALL ENGINE ROOM SIDE COVER LH (  6  ) 
  6. INSTALL COOL AIR INTAKE DUCT SEAL (  8  ) 
  7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  8. PERFORM INITIALIZATION 
    1. Perform initialization (INITIALIZATION ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
  9. ADD ENGINE COOLANT ( ON-VEHICLE INSPECTION  ) 
  10. CHECK FOR ENGINE COOLANT LEAKS 
    1. Check for engine coolant leaks (ON-VEHICLE INSPECTION ).
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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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