Subaru Legacy 2003 Service Manual page 969

FUEL INJECTION (FUEL SYSTEMS)
B: INSTALLATION
1) Before installing front oxygen (A/F) sensor, ap-
ply anti-seize compound only to threaded portion of
front oxygen (A/F) sensor to make the next removal
easier.
Anti-seize compound:
SS-30 by JET LUBE
CAUTION:
Never apply anti-seize compound to protector
of front oxygen (A/F) sensor.
2) Install front oxygen (A/F) sensor.
Tightening torque:
21 N·m (2.1 kgf-m, 15.2 ft-lb)
3) Secure harness to clip (A).
• LH side
( A )
FRONT OXYGEN (A/F) SENSOR
FU-00589
FU-00590
FU-00587
FU(H6DO)-44
• RH side
4) Install under cover.
5) Lower the vehicle.
6) Connect connector of front oxygen (A/F) sensor.
LH side
RH side
7) Connect battery ground cable.
( A )
FU-00588
EX-00056
FU-00009