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Installation [10/2015 - ]: Procedure

WARNING: This page is about a different car, the 2019 Lexus GS 300, 2018 Lexus GS 300, 2017 Lexus GS 200t, and 2016 Lexus GS 200t. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL SPARK PLUG 

    HINT: 

    Perform "Inspection After Repairs" after replacing the spark plug.

    Refer to INITIALIZATION [10/2015 - 09/2018] or INITIALIZATION [09/2018 - ]

    1. Using a 16 mm spark plug wrench, install the 4 spark plugs.

      Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf) 

      NOTE:

      Replace with a new part if it is dropped or if it receives a strong impact.

  2. INSTALL IGNITION COIL ASSEMBLY 

    HINT: 

    Perform "Inspection After Repairs" after replacing the ignition coil assembly.

    Refer to INITIALIZATION [10/2015 - 09/2018] or INITIALIZATION [09/2018 - ]

    1. Install the 4 ignition coil assemblies with the 4 bolts.

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

      NOTE:

      Replace with a new part if it is dropped or if it receives a strong impact.

    2. Connect the 4 ignition coil assembly connectors.
  3. CONNECT NO. 3 PCV HOSE 

    See step  2

  4. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 
    1. Align the 3 grommets of the No. 1 engine cover sub-assembly with the 3 pins, and install the No. 1 engine cover sub-assembly by pressing it.