Downstream Oxygen Sensor: Installation
WARNING: This page is about a different car, the 2003 Dodge Intrepid, 2003 Chrysler Intrepid, 2003 Chrysler Concorde, and 2003 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
Using an 18 mm X 1.5 + 6E tap, clean oxygen sensor threads on exhaust system. If installing original or used downstream oxygen sensor, apply anti-seize compound on threads of downstream oxygen sensor. A new downstream oxygen sensor should already be coated with anti-seize compound. Install and tighten downstream oxygen sensor to specification. See TORQUE SPECIFICATIONS . Reconnect harness connector. Lower vehicle. Reconnect negative battery cable.