Pacifica V6-3.8L VIN L (2005)
disconnecting the Battery negative terminal. The NGC learns the characteristics of each O2 heater element and these old values should be cleared when
installing a new O2 sensor. The customer may experience driveability issues if this is not performed.
Upstream O2 Sensor
1. After removing the sensor, the 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.
Tighten the sensor to 28 N.m (20 ft. lbs.) torque.
O2 Sensor Connector
2. Connect the heated oxygen sensor electrical connector.
3. Connect the negative battery cable.
