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Home >> Subaru >> 2015 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Engine Ignition System (STI) >> Spark Plug >> Removal >> RH Side
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RH Side

  1. Disconnect the ground cable from battery.
  2. Remove the air cleaner case. <Ref. to REMOVAL , Air Cleaner Case.>
  3. Disconnect the connector from ignition coil.
  4. Remove the ignition coil.
    NOTE: Turn #3 ignition coil by 180° to remove it.
    Fig 1: Locating Ignition Coil Bolts
    G08539621Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the spark plug with a spark plug socket.