Engine Ignition System (Sti): Removal & Installation Subaru Impreza GH

REMOVAL

Spark Plug

Refer to "SPECIFICATION" for the spark plug. Ref. to SPECIFICATION , General Description.

Scheme 13

Scheme 14

1. Disconnect the ground cable from the battery.
2. Remove the air cleaner case. Ref. to «REMOVAL»(ref-357076-S26446360742010030800000) , Air Cleaner Case.
3. Disconnect the connector from ignition coil.
4. Remove the ignition coil. NOTE: Turn #3 ignition coil by 180 degrees to remove it.
5. Remove the spark plug with a spark plug socket.

Scheme 15

Scheme 16

1. Remove the battery. Ref. to «REMOVAL»(ref-357077-S20111493982010030800000) , Battery.
2. Remove the secondary air pump. Ref. to «REMOVAL»(ref-357078-S11886107782010030800000) , Secondary Air Pump.
3. Remove the bolts that secure the air duct to the rocker cover LH, and lift the air duct.
4. Disconnect the connector from ignition coil.
5. Remove the ignition coil. NOTE: Turn #4 ignition coil by 180 degrees to remove it.
6. Remove the spark plug with a spark plug socket.

Direct ignition type has been adopted. Refer to "Removing Spark Plugs" for removal procedure. Ref. to REMOVAL , Spark Plug.

INSTALLATION

Install in the reverse order of removal.

Tightening torque

16 N.m (1.6 kgf-m, 11.8 ft-lb)