Suzuki 2000 Grand Vitara SQ625 Service Manual page 627

ENGINE AND EMISSION CONTROL SYSTEM (H25 ENGINE) 6E2-39
HEATED OXYGEN SENSOR (SENSOR 2)
Removal
WARNING:
To avoid danger of being burned, do not touch exhaust sys-
tem when system is hot. Oxygen sensor removal should be
performed when system is cool.
1) Disconnect negative cable from battery.
2) Disconnect coupler of oxygen sensor(s).
3) Remove oxygen sensor(s) (2) from exhaust No.1 pipe (1).
NOTE:
Be careful not to expose it to excessive shock.
Installation
Reverse removal procedure noting the followings.
D Tighten oxygen sensor(s) to specified torque.
Tightening Torque
.
(a): 45 N m (4.5 kg-m, 32.5 lb-ft)
D Connect connector of oxygen sensor(s) and clamp wire harness
securely.
D After installing oxygen sensor(s), start engine and check that no
exhaust gas leakage exists.