Sensor, Oxygen: Installation: 6.2L: Upstream
If reinstalling the original oxygen sensor, coat the sensor threads with an anti-seize compound such as Loctite 771- 64 or equivalent. New sensors have compound on the threads and do not require an additional coating. Do Not add any additional anti-seize compound to the threads of a new oxygen sensor.
- Install the oxygen sensor (3) into the exhaust manifold and tighten to the proper specifications. Refer to TORQUE SPECIFICATIONS
.CAUTION:
Never apply any type of grease to the oxygen sensor electrical connector, or attempt any repair of the sensor wiring harness.
- Connect the oxygen sensor wire harness connector (1) and secure the wire harness in the retainer (2).
- Remove support and lower the vehicle.
- Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.