Forester S F4-2.5L DOHC (1998)
2) Install rear oxygen sensor.
Tightening torque: 21 ± 3 N.m (2.1 ± 0.3 kg-m, 15.2 ± 2.2 ft.lb)
3) Connect connector of rear oxygen sensor.
4) Lower the vehicle.
5) Connect battery ground cable.
2. CALIFORNIA SPEC. VEHICLES
1) Before installing rear oxygen sensor, apply anti- seize compound only to threaded portion of rear oxygen sensor to make the next removal easier.
Anti-seize compound: SS-30 by JET LUBE
CAUTION: Never apply anti-seize compound to protector of rear oxygen sensor.
2) Install rear oxygen sensor.
Tightening torque: 21 ± 3 N.m (2.1 ± 0.3 kg-m, 15.2 ± 2.2 ft-lb)
3) Lower the vehicle.
4) Connect connector to rear oxygen sensor.
5) Connect battery ground cable.