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

RH Side

  1. Disconnect the ground cable from Battery.
  2. Remove the air cleaner case. Ref. to INTAKE (INDUCTION) (STI)>Air Cleaner Case>REMOVAL .
  3. Disconnect the connector from ignition coil.
    CAUTION: Be careful not to damage the claw (a) of the connector.
    G11574057
  4. Remove the ignition coil.
    NOTE: Turn the ignition coil by 180° to remove it.
    G08539621
  5. Remove the spark plug with a spark plug socket.
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