2004 SUBARU FORESTER Service Repair Manual

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SUBARU FORESTER 2004  Service Repair Manual IGNITION
IG(H4DOTC)
Page
1. General Description ....................................................................................2
2. Spark Plug.....................................................

Page 1618 of 2870

SUBARU FORESTER 2004  Service Repair Manual IG(H4DOTC)-2
IGNITION
General Description
1. General Description
A: SPECIFICATION
Item Designation
Ignition coil and ignitor 
ASSYModel FK0186
Ignition type Direct ignition
Manufacturer DIAMOND
Spark

Page 1619 of 2870

SUBARU FORESTER 2004  Service Repair Manual IG(H4DOTC)-3
IGNITION
General Description
B: COMPONENT
(1) Spark plug (2) Ignition coil & ignitor ASSYTightening torque: N⋅m (kgf-m, ft-lb)
T1: 21 (2.1, 15.2)
T2: 16 (1.6, 11.7)
IG-00001
(1)T1
T2
T1

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SUBARU FORESTER 2004  Service Repair Manual IG(H4DOTC)-4
IGNITION
General Description
C: CAUTION
 Wear working clothing, including a cap, protec-
tive goggles, and protective shoes during opera-
tion.
 Remove contamination including dirt and

Page 1621 of 2870

SUBARU FORESTER 2004  Service Repair Manual IG(H4DOTC)-5
IGNITION
Spark Plug
2. Spark Plug
A: REMOVAL
CAUTION:
All spark plugs installed on an engine, must be 
of the same heat range. <Ref. to IG(H4DOTC)-2, 
General Description.>
1. RH SIDE
1)

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SUBARU FORESTER 2004  Service Repair Manual IG(H4DOTC)-6
IGNITION
Spark Plug
5) Disconnect the connector from ignition coil.
6) Remove the ignition coil.
7) Remove the spark plugs with the spark plug
sockets.
B: INSTALLATION
1. RH SIDE
Install

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SUBARU FORESTER 2004  Service Repair Manual IG(H4DOTC)-7
IGNITION
Spark Plug
2) Carbon fouled:
Dry fluffy carbon deposits on insulator and elec-
trode are mostly caused by slow speed driving in
city, weak ignition, too rich fuel mixture, dirty

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SUBARU FORESTER 2004  Service Repair Manual IG(H4DOTC)-8
IGNITION
Ignition Coil & Ignitor ASSY
3. Ignition Coil & Ignitor ASSY
A: REMOVAL
Direct ignition type has been adopted. Refer to the
“SparkPlug Removal” for removal procedure. <Ref.
t