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Installation [08/2020 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL CAMSHAFT POSITION SENSOR (for Exhaust Side) 
    1. Perform this procedure only when reusing the camshaft position sensor.
      GTY941184Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a O-ring Groove
      *b Camshaft Position Sensor Tip
      1. Clean the O-ring groove of the camshaft position sensor.
        NOTE:

        Make sure the O-ring groove is free of foreign matter.

      2. Install a new O-ring to the camshaft position sensor.
        NOTE:

        Set the O-ring on the tip of the camshaft position sensor and roll it into the O-ring groove with bare hands to install it.

      3. Check if the O-ring is twisted.

        HINT: 

        Check the entire circumference of the seam of the O-ring for twisting.

        GTY894545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 O-ring
        *a OK
        *b NG
        *c Seam
    2. Apply a light coat of engine oil to the O-ring of the camshaft position sensor.
    3. Using an 8 mm socket wrench, install the camshaft position sensor to the cylinder head cover sub-assembly with a new bolt.

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

      NOTE:
      • If the camshaft position sensor has been struck or dropped, replace it.
      • Make sure that the O-ring is not cracked or moved out of place when installing the camshaft position sensor.
    4. Connect the camshaft position sensor connector.
  2. INSTALL CAMSHAFT POSITION SENSOR (for Intake Side) 
    1. Perform this procedure only when reusing the camshaft position sensor.
      GTY941184Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a O-ring Groove
      *b Camshaft Position Sensor Tip
      1. Clean the O-ring groove of the camshaft position sensor.
        NOTE:

        Make sure the O-ring groove is free of foreign matter.

      2. Install a new O-ring to the camshaft position sensor.
        NOTE:

        Set the O-ring on the tip of the camshaft position sensor and roll it into the O-ring groove with bare hands to install it.

      3. Check if the O-ring is twisted.

        HINT: 

        Check the entire circumference of the seam of the O-ring for twisting.

        GTY894545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 O-ring
        *a OK
        *b NG
        *c Seam
    2. Apply a light coat of engine oil to the O-ring of the camshaft position sensor.
    3. Using an 8 mm socket wrench, install the camshaft position sensor to the cylinder head cover sub-assembly with a new bolt.

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

      NOTE:
      • If the camshaft position sensor has been struck or dropped, replace it.
      • Make sure that the O-ring is not cracked or moved out of place when installing the camshaft position sensor.
    4. Connect the camshaft position sensor connector.
  3. INSPECT FOR ENGINE OIL LEAK 

    Refer to PROCEDURE - Step 6 [08/2020 - 08/2021] , or refer to PROCEDURE - Step 6 [08/2021 - ]

  4. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 48 [08/2020 - 08/2021] , or refer to PROCEDURE - Step 49 [08/2021 - ]

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