Subaru LEGACY 2012 Service Manual
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Also See for LEGACY 2012:
- User manual (474 pages) ,
- Quick reference manual (20 pages) ,
- Service bulletin (2 pages)
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Quick Reference Manual
2004 LEGACY SERVICE MANUAL
ENGINE SECTION 2
This service manual has been prepared
to provide SUBARU service personnel
with the necessary information and data
for the correct maintenance and repair
of SUBARU vehicles.
This manual includes the procedures
for maintenance, disassembling, reas-
sembling, inspection and adjustment of
components and diagnostics for guid-
ance of experienced mechanics.
Please peruse and utilize this manual
fully to ensure complete repair work for
satisfying our customers by keeping
their vehicle in optimum condition.
When replacement of parts during
repair work is needed, be sure to use
SUBARU genuine parts.
All information, illustration and specifi-
cations contained in this manual are
based on the latest product information
available at the time of publication
approval.
FUJI HEAVY INDUSTRIES LTD.
QUICK REFERENCE INDEX
FUEL INJECTION (FUEL SYSTEMS)
EMISSION CONTROL
(AUX. EMISSION CONTROL DEVICES)
INTAKE (INDUCTION)
MECHANICAL
EXHAUST
COOLING
LUBRICATION
SPEED CONTROL SYSTEMS
IGNITION
STARTING/CHARGING SYSTEMS
ENGINE (DIAGNOSTICS)
FU(H4DOTC)
EC(H4DOTC)
IN(H4DOTC)
ME(H4DOTC)
EX(H4DOTC)
CO(H4DOTC)
LU(H4DOTC)
SP(H4DOTC)
IG(H4DOTC)
SC(H4DOTC)
EN(H4DOTC)(diag)
G2320GE3
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Summary of Contents for Subaru LEGACY 2012
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Page 1: Engine Section
EC(H4DOTC) (AUX. EMISSION CONTROL DEVICES) INTAKE (INDUCTION) IN(H4DOTC) MECHANICAL ME(H4DOTC) This service manual has been prepared to provide SUBARU service personnel EXHAUST EX(H4DOTC) with the necessary information and data for the correct maintenance and repair of SUBARU vehicles. COOLING CO(H4DOTC) - Page 2 IGNITION IG(H4DOTC) Page General Description ..................2 Spark Plug....................4 Ignition Coil & Ignitor ASSY ................7...
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Page 3: General Description
General Description IGNITION 1. General Description A: SPECIFICATION Item Specification Model FK0186 Ignition coil & ignitor Ignition system Independent ignition coil ASSY Manufacturer Diamond Electric Manufacturer and type NGK: ILFR6B Thread size (diameter, pitch, length) 14, 1.25, 19 Spark plug Spark plug gap mm (in) 0.7 —... - Page 4 General Description IGNITION C: CAUTION • Wear work clothing, including a cap, protective goggle 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.
- Page 5 Spark Plug IGNITION 2. Spark Plug 2. LH SIDE 1) Remove the collector cover. A: REMOVAL 2) Remove the battery and battery carrier. CAUTION: 3) Disconnect the connector from ignition coil. All spark plugs installed on an engine must be 4) Remove the ignition coil.
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Page 6: Spark Plug
Spark Plug IGNITION C: INSPECTION 3) Oil fouled: Wet black deposits show excessive oil entrance Check the electrodes and inner and outer ceramic into combustion chamber through worn rings and insulator of plugs, noting the type of deposits and pistons or excessive clearance between valve the degree of electrode erosion. - Page 7 Spark Plug IGNITION D: ADJUSTMENT Clean the spark plugs using a wire brush. Clean and remove the carbon or oxide deposits. But do not wear away ceramic insulator. If deposits are too stubborn, replace the plugs. After cleaning the spark plugs, correct the spark plug gap using a gap gauge.
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Page 8: Ignition Coil & Ignitor Assy
Ignition Coil & Ignitor ASSY IGNITION 3. Ignition Coil & Ignitor ASSY A: REMOVAL Direct ignition type has been adopted. Refer to “Spark Plug” for removal procedure. <Ref. to IG(H4DOTC)-4, REMOVAL, Spark Plug.> B: INSTALLATION Install in the reverse order of removal. Tightening torque: ⋅... - Page 9 Ignition Coil & Ignitor ASSY IGNITION IG(H4DOTC)-8...