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Installation [04/2013 - 08/2015]: Procedure

WARNING: This page is about a different car, the 2015 Lexus IS 250 and 2014 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL SPARK PLUG 

    HINT: 

    Perform "Inspection After Repair" after replacing a spark plug.

    Refer to INITIALIZATION [04/2013 - 08/2015]

    1. Install the 6 spark plugs to the cylinder head sub-assembly.

      Torque: 18 N.m (184 kgf/cm, 13 ft.lbf) 

      NOTE:

      If a spark plug has been struck or dropped, replace it.

      HINT: 

      Install the same parts to their original positions.

  2. INSTALL IGNITION COIL ASSEMBLY 

    HINT: 

    Perform "Inspection After Repair" after replacing an ignition coil assembly.

    Refer to INITIALIZATION [04/2013 - 08/2015]

    1. Install the 6 ignition coil assemblies to the cylinder head cover sub-assembly with the 6 bolts.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      NOTE:

      If an ignition coil assembly has been struck or dropped, replace it.

      HINT: 

      Install the same parts to their original positions.

    2. Connect the 6 ignition coil assembly connectors.
    3. Connect the ignition coil cover bracket to the cylinder head cover sub-assembly LH with the 2 bolts.
      GTY462057Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Bolt A 

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      Bolt B 

      Torque: 21 N.m (214 kgf/cm, 15 ft.lbf) 

    4. Connect the wire harness to the cylinder head cover sub-assembly with the 2 nuts.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  3. INSTALL INTAKE AIR SURGE TANK ASSEMBLY 

    Refer to INSTALLATION [04/2013 - 08/2015]

  4. PERFORM INITIALIZATION 
    1. Perform "Inspection After Repair" after replacing an ignition coil assembly and spark plug.

      Refer to INITIALIZATION [04/2013 - 08/2015]