1. Before installing front oxygen (A/F) sensor, apply anti-seize compound only to the threaded portion of front oxygen (A/F) sensor to make the next removal easier.
CAUTION:
Never apply anti-seize compound to the protector of front oxygen (A/F) sensor.
Anti-seize compound:
NEVER-SEEZ NSN, JET LUBE SS-30 or equivalent
2. Install the front oxygen (A/F) sensor (A).
Tightening torque:
21 N·m (2.1 kgf-m, 15.5 ft-lb)
3. Hold the harness with clip (B).
4. Connect the front oxygen (A/F) sensor connector (A).
5. Install the air intake duct (rear). 
6. Connect the ground cable to the battery.
