Non-Turbo Model

Recommended spark plug: 

< Refer to  ELECTRICAL  , Forester. > 

• RH side 
  1. Disconnect the ground cable from battery.
  2. Remove the air cleaner case. < Refer to REMOVAL , Air Cleaner Case. >
  3. Disconnect the connector from ignition coil.
  4. Remove the ignition coil.
     Fig 1: Locating Ignition Coil Mounting Bolts (RH Side)

     Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the spark plug with a spark plug socket.
  6. Install in the reverse order of removal.
     CAUTION: Degrease the ignition coil installation portion and the mounting bolts.

     Tightening torque (Spark plug): 

     17.5 N.m (1.8 kgf-m, 12.9 ft-lb) 

     Tightening torque (Ignition coil): 

     8.5 N.m (0.9 kgf-m, 6.3 ft-lb) 

• LH side 
  1. Remove the battery. < Refer to REMOVAL , Battery. >
  2. Disconnect the connector from ignition coil.
  3. Remove the ignition coil.
     Fig 2: Locating Ignition Coil Mounting Bolts (LH Side)

     Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the spark plug with a spark plug socket.
  5. Install in the reverse order of removal.
     CAUTION: Degrease the ignition coil installation portion and the mounting bolts.

     Tightening torque (Spark plug): 

     17.5 N.m (1.8 kgf-m, 12.9 ft-lb) 

     Tightening torque (Ignition coil): 

     8.5 N.m (0.9 kgf-m, 6.3 ft-lb)