Subaru Legacy (2005 year). Service manual — part 369
FU(H6DO)-29
FUEL INJECTION (FUEL SYSTEMS)
Oil Temperature Sensor
14.Oil Temperature Sensor
A: REMOVAL
1) Remove the collector cover.
2) Disconnect the ground cable from battery.
3) Remove the air intake chamber. <Ref. to
IN(H6DO)-7, REMOVAL, Air Intake Chamber.>
4) Disconnect the connector from oil temperature
sensor.
5) Remove the oil temperature sensor.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
18 N
⋅
m (1.8 kgf-m, 13 ft-lb)
IN-00203
FU-02138
FU(H6DO)-30
FUEL INJECTION (FUEL SYSTEMS)
Front Oxygen (A/F) Sensor
15.Front Oxygen (A/F) Sensor
A: REMOVAL
1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Lift-up the vehicle.
4) Disconnect the connector of front oxygen (A/F)
sensor.
• LH side
• RH side
5) Apply spray-type lubricant to the threaded por-
tion of front oxygen (A/F) sensor, and leave it for
one minute or more.
6) 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.
• LH side
• RH side
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)
• LH side
IN-00203
FU-02139
FU-02140
FU-02141
FU-02142
FU-02141
FU(H6DO)-31
FUEL INJECTION (FUEL SYSTEMS)
Front Oxygen (A/F) Sensor
• RH side
3) Connect the connector of front oxygen (A/F)
sensor.
• LH side
• RH side
4) Lower the vehicle.
5) Connect the ground cable to battery.
FU-02142
FU-02139
FU-02140
IN-00203
FU(H6DO)-32
FUEL INJECTION (FUEL SYSTEMS)
Rear Oxygen Sensor
16.Rear Oxygen Sensor
A: REMOVAL
1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Lift-up the vehicle.
4) Disconnect the connector from rear oxygen sen-
sor.
• LH side
• RH side
5) Remove the clip which holds harness.
6) Apply spray-type lubricant to the threaded por-
tion of rear oxygen sensor, and leave it for one
minute or more.
7) 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.
• LH side
• RH side
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)
• LH side
IN-00203
FU-02143
FU-02144
FU-02145
FU-02146
FU-02145
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