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Home >> Subaru >> 2012 >> Impreza WRX STi Limited >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Engine Ignition System (W/STI) >> Spark Plug >> Removal >> LH Side

LH Side

  1. Remove the battery. < Ref. to REMOVAL , Battery. >
  2. Remove the secondary air pump. < Ref. to REMOVAL , Secondary Air Pump. >
  3. Remove the bolts that secure the air duct to the rocker cover LH, and lift the air duct.
    Fig 1: Locating Bolts That Secure Air Duct To Rocker Cover LH
    G07681442Courtesy of SUBARU OF AMERICA, INC.
  4. Disconnect the connector from ignition coil.
  5. Remove the ignition coil.
    NOTE: Turn #4 ignition coil by 180 degrees to remove it.
    Fig 2: Locating Ignition Coil Bolts
    G07681443Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the spark plug with a spark plug socket.
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