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Home >> Pontiac >> 2007 >> Torrent AWD V6-3.4L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Service and Repair >> Heated Oxygen Sensor 2 Replacement
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Heated Oxygen Sensor 2 Replacement



HEATED OXYGEN SENSOR 2 REPLACEMENT

REMOVAL PROCEDURE
1. Raise the vehicle. Refer to Vehicle Lifting.




2. Disconnect the HO2S 2 harness connector (3).

3. IMPORTANT: Silicone based products will contaminate the HO2S. DO NOT use products containing silicone on or near the HO2S.

Use a liquid penetrate before removing the sensor.

4. Remove the HO2S 2 (2) from the exhaust pipe.

INSTALLATION PROCEDURE





1. NOTE: Silicone based products will contaminate the HO2S. Use only a nickel based anti-seize compound that does not contain silicone.

Apply a small amount of anti-seize compound to the threads of the HO2S 2.

2. NOTE: Refer to Component Fastener Tightening Notice.

Install the HO2S 2 (2).

Tighten the HO2S 2 to 42 N.m (31 lb ft).

3. Connect the HO2S 2 harness connector (3). Push in the connector until a click is heard, then pull back to confirm a positive engagement.
4. Ensure the HO2S 2 harness pigtail connector is secure to the chassis.