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Home >> Subaru >> 2009 >> Outback i, Automatic >> Repair and Diagnosis >> Maintenance >> Procedures >> General Information >> Periodic Maintenance Services >> Spark Plug >> Replacement >> 2.5 L (Non-Turbo) Model

2.5 L (Non-Turbo) Model

  1. Remove the intake duct and intake chamber.
  2. Remove the battery.
  3. Disconnect the spark plug cord.
  4. Remove the spark plug with a spark plug socket.
    Fig 1: Removing Spark Plug
    G04997233Courtesy of SUBARU OF AMERICA, INC.
  5. Tighten the new spark plug lightly with hand, and then secure with a spark plug socket to the specified torque.

    Recommended spark plug:  Refer to ELECTRICAL , LEGACY.

    Tightening torque: 21 N.m (2.1 kgf-m, 15.5 ft-lb) 

    NOTE:
    • Be sure to place the gasket between the cylinder head and spark plug.
    • If the torque wrench is not available, tighten the spark plug until gasket contacts cylinder head, then tighten further 1/4 to 1/2 turns.
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