Oxygen Sensor - Subaru IMPREZA 2001 Service Manual

FUEL INJECTION (FUEL SYSTEMS)

12.Oxygen Sensor

A: REMOVAL
1) Disconnect battery ground cable.
2) Disconnect connector from oxygen sensor.
3) Lift-up the vehicle.
4) Apply SUBARU CRC or its equivalent to thread-
ed portion of oxygen sensor, and leave it for one
minute or more.
SUBARU CRC (Part No. 004301003)
5) Remove oxygen sensor.
CAUTION:
When removing the oxygen sensor, wait until
exhaust pipe cools, otherwise it will damage ex-
haust pipe.
OXYGEN SENSOR
B: INSTALLATION
1) Before installing oxygen sensor, apply anti-seize
compound only to threaded portion of oxygen sen-
sor to make the next removal easier.
Anti-seize compound:
SS-30 by JET LUBE
CAUTION:
Never apply anti-seize compound to protector
of oxygen sensor.
G6M0095
2) Install oxygen sensor.
Tightening torque:
21 N·m (2.1 kgf-m, 15.2 ft-lb)
B2M3108
3) Lower the vehicle.
4) Connect connector of oxygen sensor.
G2M0411
FU(SOHCw/oOBD)-42
G2M0412
G2M0411
B2M3108