pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 9711 > < Heated Oxygen and Oxygen Sensor Notice|Page 9708
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Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1

Removal Procedure

Caution:  Refer to Safety Glasses Caution  (See: Service Precautions/Technician Safety Information/Safety Glasses Warning) .
Caution:  Refer to Vehicle Lifting Caution  (See: Maintenance/Vehicle Lifting/Service Precautions) .

1. Ignition OFF.

2. Raise and support the vehicle. Refer toLifting and Jacking the Vehicle  (See: Maintenance/Vehicle Lifting/Service and Repair) .
3. Disconnect the heated oxygen sensor (HO2S) from the electrical connector retaining clip (1).
4. Disconnect the heated oxygen sensor (HO2S) electrical connector (2) from the harness connector on the transmission case.
5. Remove the catalytic converter. refer to Catalytic Converter Replacement - Right Side (6.0L Engine)  (See: Emission Control Systems/Catalytic

Converter/Service and Repair/Catalytic Converter Replacement - Right Side (6.0L Engine))Catalytic Converter Replacement - Right Side (3.6L
Engine)  (See: Emission Control Systems/Catalytic Converter/Service and Repair/Catalytic Converter Replacement - Right Side (3.6L Engine)) .

Notice:  Refer to Heated Oxygen and Oxygen Sensor Notice  (See: Service Precautions/Heated Oxygen and Oxygen Sensor Notice) .

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 9711 > < Heated Oxygen and Oxygen Sensor Notice|Page 9708