Sierra 3500 Denali 4WD V8-6.0L (2011)
Tighten the sensor to 42 Nm (31 lb ft).
3. Connect the HO2S (1) electrical connector to the engine wiring harness electrical connector (2).
4. Install the CPA retainer (3).
5. Install the front propeller shaft to the front differential, if equipped with 4WD. Refer to Front Propeller Shaft Replacement (See: Transmission
and Drivetrain/Drive/Propeller Shafts, Bearings and Joints/Drive/Propeller Shaft/Service and Repair/Front Propeller Shaft Replacement).
6. Lower the vehicle.
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (1500 Series)
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (1500 Series)
Removal Procedure
Caution: Refer to Heated Oxygen and Oxygen Sensor Caution (See: Service Precautions/Heated Oxygen and Oxygen Sensor Caution).