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Home >> Subaru >> 2018 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> Engine Ignition System (Except For STI) >> Spark Plug >> Removal >> RH Side
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RH Side

  1. Disconnect the ground terminal from Battery Sensor. Ref. to NOTE>NOTE>BATTERY .
  2. Remove the clip (A) and clip (B) which secure the engine wiring harness and bulkhead harness to the bracket, and remove the bolt which secures the engine control module (ECM) to the bracket.
    G10266252
  3. Pull out the engine control module (ECM) from the bracket, and move it to a location that does not interfere operation.
    NOTE: When performing the pulling out operation, pay attention not to apply excessive load to the breather filter portion (a) in order to avoid the damage.
    G10266253
  4. Disconnect the connector from ignition coil.
    NOTE: While pressing the spring (a) shown in the figure, slide it in the direction of the arrow with a clip remover.
    G10267376
  5. Remove the ignition coil.
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  6. Remove the spark plug with a spark plug socket.
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