Grand Caravan AWD V6-201 3.3L (1992)
Oxygen Sensor: Service and Repair
Oxygen Sensor And Connector
Removal
Warning: Exhaust manifold becomes very hot during engine operation.
Caution:
Do not pull on or cut sensor wires, when removing sensor.
1.
Disconnect oxygen sensor electrical connector.
Caution: Use of excessive force may damage threads in exhaust manifold or pipe.
2.
Using a suitable tool (tool # C-4907 or equivalent), carefully remove the sensor from exhaust manifold or pipe. Sensor may be easier to remove
when engine temperature is above 120°F.
Installation
1.
Clean threads in exhaust manifold with an 18 mm X 1.5 + 6E tap.
2.
If a new sensor is being used, verify that the threads are coated with anti-seize compound, before installing in manifold or pipe.
3.
If sensor is being reused, coat sensor threads with a nickel based anti-seize compound (Loctite 771-64 or equivalent), then install sensor in
manifold or pipe.
Caution: Do not use graphite or other anti-seize compounds.
4.
Torque the oxygen sensor to 20 ft-lbs (27 Nm), connect wiring.
