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Home >> Subaru >> 2015 >> WRX STI >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Engine Ignition System (H4DO)) >> Spark Plug >> Removal >> LH Side

LH Side

WARNING: This page is about a different car, the 2015 Subaru Outback and 2015 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the battery. <Ref. to REMOVAL , Battery.>
  2. 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.
    Fig 1: Pressing Spark Plug Spring
    G10267378Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the ignition coil.
    Fig 2: Locating Ignition Coil Bolts
    G10263092Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the spark plug with a spark plug socket.
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