Subaru Legacy (2005 year). Service manual — part 95
IGNITION
IG(H4SO 2.0)
Page
General Description . . . . . . . . . . . . . . . . . . . . . 2
Spark Plug. . . . . . . . . . . . . . . . . . . . . . . . ...5
Ignition Coil and Ignitor Assembly. . . . . . . . . . . . . . . ...8
Spark Plug Cord. . . . . . . . . . . . . . . . . . . . . . 10
IG(H4SO 2.0)-2
IGNITION
General Description
1. General Description
A: SPECIFICATION
1. 2.0 L MODEL
2. 2.5 L MODEL
Item
Specifications
Ignition coil and ignitor
ASSY
Model
CM12-100C
Manufacturer
HITACHI
Secondary coil resistance
18.0 k
Ω±20%
Spark plug
Manufacturer and type
CHAMPION: RC10YC4
Thread size (diameter, pitch, length)
mm
14, 1.25, 19
Spark plug gap
mm (in)
1.0 — 1.1 (0.039 — 0.043)
Electrode
Nickel
Item
Specifications
Ignition coil and ignitor
ASSY
Model
FH 0286
Manufacturer
Diamond Electric
Secondary coil resistance
11.7 k
Ω±15%
Spark plug
Manufacturer and type
EC, EK, K4, EH, ER
model
NGK: PFR5B-11
KA, KS model
CHAMPION: RC10YC4
Thread size (diameter, pitch, length)
mm
14, 1.25, 19
Spark plug gap
mm (in)
1.0 — 1.1 (0.039 — 0.043)
Electrode
EC, EK, K4, EH, ER
model
Platinum
KA, KS model
Nickel
IG(H4SO 2.0)-3
IGNITION
General Description
B: COMPONENT
• 2.0 L model
(1)
Spark plug
(4)
Spark plug cord (#2, #4)
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(2)
Spark plug cord (#1, #3)
T1: 6.4 (0.65, 4.7)
(3)
Ignition coil and ignitor ASSY
T2: 21 (2.1, 15.2)
IG-00016
T1
T2
T2
(1)
(2)
(2)
(3)
(4)
(4)
IG(H4SO 2.0)-4
IGNITION
General Description
• 2.5 L model
C: CAUTION
• Wear work clothing, including a cap, protective
goggles, and protective shoes during operation.
• Remove contamination including dirt and corro-
sion before removal, installation or disassembly.
• Keep the disassembled parts in order and pro-
tect them from dust and dirt.
• Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly and replacement.
• Be careful not to burn yourself, because each
part on the vehicle is hot after running.
• Be sure to tighten fasteners including bolts and
nuts to the specified torque.
• Place shop jacks or rigid racks at the specified
points.
• Before disconnecting connectors of sensors or
units, be sure to disconnect the ground cable from
battery.
(1)
Spark plug
(4)
Spark plug cord (#2, #4)
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(2)
Spark plug cord (#1, #3)
T1: 6.4 (0.65, 4.7)
(3)
Ignition coil and ignitor ASSY
T2: 21 (2.1, 15.2)
IG-00094
T2
T2
T1
(2)
(2)
(4)
(4)
(1)
(3)
(1)
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