cadillac Workshop Repair Guides

Cadillac Workshop Service and Repair Manuals

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 9475 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 9473
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Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1

HEATED OXYGEN SENSOR REPLACEMENT - BANK 2 SENSOR 1

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 1 is the sensor closest to the engine, or farthest towards the front of 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. Remove the fuel injector sight shield.
2. Disconnect the oxygen sensor electrical connector from the engine wiring harness at the rear of the left head.
3. Note the wire routing and attachment points for reassembly.
4. Raise and support the vehicle. Refer to Vehicle Lifting.

5. Remove the oxygen sensor from the exhaust manifold.

INSTALLATION PROCEDURE

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 9475 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 9473