XL-7 2WD V6-3.6L (2007)
burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to
the threads. If the sensor is removed from an exhaust component and if for any reason the sensor is to reinstalled, the threads must have anti-seize
compound applied before the reinstallation.
1. If reinstalling the old sensor, coat the threads with anti-seize compound GM P/N 12377953, or equivalent.
CAUTION: Refer to [Fastener Notice].
2. Install the HO2S (2) to the catalytic converter.
Tightening torque
Tighten the sensor to 42 N.m (31 lb.ft).
3. Connect the HO2S electrical connector (2) to the engine wiring harness electrical connector.
4. Lower the vehicle.
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
