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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> Engine Ignition System (2.0L) >> Spark Plug >> Removal >> RH Side
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RH Side

  1. Disconnect the ground terminal from battery sensor. Refer 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.
    G10266252Courtesy of SUBARU OF AMERICA, INC.
  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.
    G10266253Courtesy of SUBARU OF AMERICA, INC.
  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.
    G10267376Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the ignition coil.
    G10267377Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the spark plug with a spark plug socket.