Silverado 1500 4WD V8-6.0L Hybrid (2009)
2. Install the HO2S (4).
Tighten the sensor to 42 Nm (31 lb ft).
3. If equipped with 4WD perform the following steps, if equipped with 2WD proceed to step 6.
4. Connect the HO2S electrical connector (4) to the engine wiring harness electrical connector (3).
5. Install the CPA retainer (2).
6. Connect the HO2S electrical connector (3) to the engine wiring harness electrical connector (5).
7. Install the CPA retainer (2).
8. Lower the vehicle.