Installation Procedure

Fig 1: Installing Heated Oxygen Sensor

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Caution .

IMPORTANT: This torque value can be obtained by using a torque wrench with a fulcrum length of 300 mm (11.81 in) and SST of 30 mm (1.18 in). This torque value is effective when SST is parallel to the torque wrench.

Using SST , install the heated oxygen sensor onto the front exhaust pipe.
Tighten:
- Tighten without SST to 44 N.m (32 lb ft)
- Tighten with SST to 40 N.m (30 lb ft)

Fig 2: View Of Wire Harness Clamp Bracket & Wire Harness Clamp

Courtesy of GENERAL MOTORS CORP.

Install the wire harness clamp bracket and connect the wire harness clamp.
Pass the sensor connector through the floor panel and install the grommet.
Connect the heated oxygen sensor connector.
Inspect for exhaust gas leaks.