Sierra Denali RWD V8-62L (2009) - Heated Oxygen Sensor Replacement
2. Install the HO2S (3).
Tighten the sensor to 42 Nm (31 lb ft).
3. Connect the HO2S electrical connector (6) to the engine wiring harness electrical connector (7).
4. Install the CPA retainer (5).
5. Lower the vehicle.
