Installation
DOWNSTREAM 1/2, 2/2 - 3.5L
1. After removing the sensor, the exhaust manifold threads must be cleaned with an 18 mm X 1.5 + 6E tap. If reusing the original 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.
2. Install the O2S. Tighten to 41 Nm (30 ft. lbs.).
3. Connect the O2S wire connector.
4. Lower vehicle.
5. Connect negative battery cable.