Forester S F4-2.5L DOHC (1998)
Anti-seize compound: SS-30 by JET LUBE
CAUTION: Never apply anti-seize compound to protector of front oxygen sensor.
2) Install front 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 of front oxygen sensor.
5) Connect battery ground cable.