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Home >> Lexus >> 2014 >> IS 350 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Engine Control System (8AR-FTS) - Service Information) >> Ignition Coil And Spark Plug >> Installation [08/2015 - ] >> Procedure

Installation [08/2015 - ]: Procedure

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  1. INSTALL SPARK PLUG 

    HINT: 

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

    Refer to INITIALIZATION [08/2015 - 09/2018] , or refer to INITIALIZATION [09/2018 - 09/2019] , or refer to INITIALIZATION [09/2019 - ]

    1. Using a 16 mm spark plug wrench, install the 4 spark plugs to the cylinder head sub-assembly.

      Torque: 25 N.m (255 kgf/cm, 18 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 [08/2015 - 09/2018] , or refer to INITIALIZATION [09/2018 - 09/2019] , or refer to INITIALIZATION [09/2019 - ]

    1. Install the 4 ignition coil assemblies to the cylinder head cover sub-assembly with the 4 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 4 ignition coil assembly connectors.
  3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 81 [08/2015 - 10/2016] , or refer to PROCEDURE - Step 80 [10/2016 - 09/2020] , or refer to PROCEDURE - Step 80 [09/2020 - ]

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

      Refer to INITIALIZATION [08/2015 - 09/2018] , or refer to INITIALIZATION [09/2018 - 09/2019] , or refer to INITIALIZATION [09/2019 - ]