Subaru Legacy (2005 year). Service manual — part 43
FU(H4SO 2.0)-31
FUEL INJECTION (FUEL SYSTEM)
Fuel Injector
Tightening torque:
6.4 N
⋅
m (0.65 kgf-m, 4.7 ft-lb)
Tightening torque:
19 N
⋅
m (1.9 kgf-m, 14 ft-lb)
2. LH SIDE
Install in the reverse order of removal.
NOTE:
Use a new O-ring.
Tightening torque:
6.4 N
⋅
m (0.65 kgf-m, 4.7 ft-lb)
Tightening torque:
19 N
⋅
m (1.9 kgf-m, 14 ft-lb)
Tightening torque:
19 N
⋅
m (1.9 kgf-m, 14 ft-lb)
FU-02071
FU-02066
FU-02073
FU-02072
FU-02065
FU(H4SO 2.0)-32
FUEL INJECTION (FUEL SYSTEM)
Front Oxygen (A/F) Sensor
13.Front Oxygen (A/F) Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the air intake duct. <Ref. to IN(H4SO
2.0)-8, REMOVAL, Air Intake Duct.>
3) Remove the connector of front oxygen (A/F)
sensor.
4) Remove the clip which holds harness.
5) Lift-up the vehicle.
6) Remove the under cover.
7) Apply spray-type lubricant to the threaded por-
tion of front oxygen (A/F) sensor, and leave it for
one minute or more.
8) Remove the front oxygen (A/F) sensor.
CAUTION:
When removing the front oxygen (A/F) sensor,
wait until exhaust pipe cools, otherwise it will
damage the exhaust pipe.
B: INSTALLATION
1) Before installing front oxygen (A/F) sensor, ap-
ply anti-seize compound only to the threaded por-
tion of front oxygen (A/F) sensor to make the next
removal easier.
Anti-seize compound:
SS-30 JET LUBE
CAUTION:
Never apply anti-seize compound to the protec-
tor of front oxygen (A/F) sensor.
2) Install the front oxygen (A/F) sensor.
Tightening torque:
21 N
⋅
m (2.1 kgf-m, 15.2 ft-lb)
3) Install the under cover.
4) Lower the vehicle.
5) Hold the harness with clip.
6) Connect the connector of front oxygen (A/F)
sensor.
7) Install the air intake duct. <Ref. to IN(H4SO 2.0)-
8, INSTALLATION, Air Intake Duct.>
8) Connect the ground cable to battery.
IN-00203
ME-00859
FU-01114
FU-01114
ME-00859
IN-00203
FU(H4SO 2.0)-33
FUEL INJECTION (FUEL SYSTEM)
Rear Oxygen Sensor
14.Rear Oxygen Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Lift-up the vehicle.
3) Disconnect the connector from rear oxygen sen-
sor.
4) Remove the clip which holds harness.
5) Apply spray-type lubricant to the threaded por-
tion of rear oxygen sensor, and leave it for one
minute or more.
6) Remove the rear oxygen sensor.
CAUTION:
When removing the rear oxygen sensor, wait
until exhaust pipe cools, otherwise it will dam-
age the exhaust pipe.
B: INSTALLATION
1) Before installing the rear oxygen sensor, apply
anti-seize compound only to the threaded portion of
the rear oxygen sensor to make the next removal
easier.
Anti-seize compound:
SS-30 JET LUBE
CAUTION:
Never apply anti-seize compound to the protec-
tor of rear oxygen sensor.
2) Install the rear oxygen sensor.
Tightening torque:
21 N
⋅
m (2.1 kgf-m, 15.2 ft-lb)
3) Hold the harness with clip.
4) Connect the connector to rear oxygen sensor.
5) Lower the vehicle.
6) Connect the ground cable to battery.
IN-00203
FU-01116
FU-01117
FU-01117
FU-01116
IN-00203
FU(H4SO 2.0)-34
FUEL INJECTION (FUEL SYSTEM)
Engine Control Module (ECM)
15.Engine Control Module (ECM)
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the lower inner trim of passenger’s
side.
<Ref. to EI-60, REMOVAL, Lower Inner Trim.>
3) Detach the floor mat of passenger’s seat.
4) Remove the protect cover.
5) Remove the bolt and nut which hold the ECM to
bracket.
6) Remove the clip (A) from bracket.
7) Disconnect the ECM connectors and take out
the ECM.
B: INSTALLATION
Install in the reverse order of removal.
CAUTION:
• When replacing the ECM, be careful not to
use the wrong spec. ECM to avoid any damage
to fuel injection system.
• When replacing the ECM, be careful not to
damage the harnesses and connectors.
Tightening torque:
5 N
⋅
m (0.5 kgf-m, 3.7 ft-lb)
IN-00203
FU-02090
(A)
FU-02488
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