cadillac Workshop Repair Guides

Cadillac Workshop Service and Repair Manuals

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 9477 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 9475
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Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 2 Sensor 2

HEATED OXYGEN SENSOR REPLACEMENT - BANK 2 SENSOR 2

REMOVAL PROCEDURE

NOTE:  Refer to Oxygen Sensor Notice in Service Precautions.

IMPORTANT:
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Bank 2 on the LH2 engine in this vehicle is the left side of the engine while sitting in the drivers seat.

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Sensor 2 is the second sensor down stream from the engine towards the rear of the vehicle.

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A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the
threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.

1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the oxygen sensor electrical connector.
3. Note the wire routing and attachment points for reassembly.
4. Remove the oxygen sensor from the exhaust pipe.

INSTALLATION PROCEDURE

1. Install the oxygen sensor to the exhaust pipe.

NOTE:  Refer to Fastener Notice in Service Precautions.

Tighten the front heated oxygen sensor (HO2S) to 42 N.m (31 lb ft).

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 9477 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 9475