Subaru Legacy IV (2008 year). Service manual — part 236
FU(H4DOTC)-47
Front Oxygen (A/F) Sensor
FUEL INJECTION (FUEL SYSTEMS)
7) Connect the ground cable to battery.
IN-00203
FU(H4DOTC)-48
Rear Oxygen Sensor
FUEL INJECTION (FUEL SYSTEMS)
18.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) Remove clip (A) holding the rear oxygen sensor
harness. (AT model)
5) Disconnect the connector from the rear oxygen
sensor.
• AT model
• MT model
6) Apply spray-type lubricant or equivalent to the
threaded portion 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.
B: INSTALLATION
CAUTION:
If lubricant is spilt onto the exhaust pipe, wipe it
off with cloth to avoid emission of smoke or
causing a fire.
1) Before installing rear oxygen sensor, apply the
anti-seize compound only to the threaded portion of
rear oxygen sensor to make the next removal eas-
ier.
CAUTION:
Never apply anti-seize compound to the protec-
tor of rear oxygen sensor.
Anti-seize compound:
NEVER-SEEZ NSN, JET LUBE SS-30 or
equivalent
2) Install the rear oxygen sensor.
Tightening torque:
21 N·m (2.1 kgf-m, 15.5 ft-lb)
3) Affix the rear oxygen sensor with the clip (A). (AT
model)
IN-00203
EX-02368
(A)
EX-02361
FU-03829
FU-03829
FU(H4DOTC)-49
Rear Oxygen Sensor
FUEL INJECTION (FUEL SYSTEMS)
4) Connect the connector to rear oxygen sensor.
• AT model
• MT model
5) Lower the vehicle.
6) Connect the ground cable to battery.
EX-02368
(A)
EX-02361
IN-00203
FU(H4DOTC)-50
SI-DRIVE (SUBARU Intelligent Drive) Selector
FUEL INJECTION (FUEL SYSTEMS)
19.SI-DRIVE (SUBARU Intelligent
Drive) Selector
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the console box. <Ref. to EI-54, RE-
MOVAL, Console Box.>
3) Disconnect the SI-DRIVE selector connector.
4) Remove the screws which secure the SI-DRIVE
selector to the console box.
5) Disconnect the connector from SI-DRIVE selec-
tor cover, and remove the SI-DRIVE selector.
B: INSTALLATION
Install in the reverse order of removal.
C: INSPECTION
Measure the resistance between SI-DRIVE selec-
tor terminals.
IN-00203
FU-04006
FU-04007
FU-04008
Switch position
Terminal No.
Standard
Sport (when turning
the SI-DRIVE
selector to the left)
2 and 3
Less than 10
:
Intelligent (when
pushing the
SI-DRIVE selector)
0.8 — 1.2 k
:
Sport Sharp (when
turning the
SI-DRIVE selector
to the right)
2.14 — 3.2 k
:
FU-03123
2
3
4
1
5
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