Neon L4-2.0L VIN C (1997)
Oxygen Sensor: Service and Repair
Upstream O2 Sensor
Fig. 18 Upstream Heated Oxygen Sensor Removal/Installation
REMOVAL
1. Raise and support vehicle.
2. Unplug sensor connector.
3. Remove sensor using an oxygen sensor crow foot wrench such as Snap-On tool YA8875 or equivalent (Fig. 18).
INSTALLATION
1. After removing the sensor, the exhaust manifold threads must be cleaned with an 18 mm X 1.5 + 6E tap.
2. If reusing the original sensor, coat the sensor threads with an anti-seize compound such as Loctite® 771-64 or equivalent.
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New sensors have compound on the threads and do not require an additional coating.
3. Tighten the sensor to 28 Nm (20 ft lb) torque.
