Grand Vitara 4WD V6-2.5L (2003)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor (Sensor-1)
Removal
WARNING: To avoid danger of being burned, do not touch exhaust system 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) (1).
3. Remove oxygen sensor(s) (1) from exhaust manifold(s).
NOTE: Be careful not to expose it to excessive shock.
Installation
Reverse removal procedure noting the followings.
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Tighten oxygen sensor(s) to specified torque.
Tightening torque
Heated oxygen sensor 1 (a): 45 N.m (4.5 kg-m, 32.5 lb-ft)
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Connect connector of oxygen sensor(s) and clamp wire harness securely.
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After installing oxygen sensor(s), start engine and check that no exhaust gas leakage exists.
