Heated Oxygen Sensor Replacement - Sensor 1

Fig 1: Heated Oxygen Sensor - Sensor 1

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection . Remove the engine sight shield. Refer Engine Sight Shield Replacement . Remove the dash upper extension panel opening cover. Refer to Dash Upper Extension Panel Opening Cover Replacement .
1	Heated Oxygen Sensor CAUTION: Refer to Fastener Caution . Procedure Disconnect the electrical connector. Release the retainer. Remove the heated oxygen sensor with the CH-6179 remover/installer. Tighten 42 N.m (31 lb ft) Special Tools CH-6179 Oxygen Sensor Wrench Remover/Installer For equivalent regional tools, refer to Special Tools (Diagnostic Tools) , Special Tools (Removal and Installation) .

Callout

Component Name

Preliminary Procedures

Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
Remove the engine sight shield. Refer Engine Sight Shield Replacement .
Remove the dash upper extension panel opening cover. Refer to Dash Upper Extension Panel Opening Cover Replacement .

Heated Oxygen Sensor

CAUTION:

Procedure

Tighten
42 N.m (31 lb ft)
Special Tools
CH-6179 Oxygen Sensor Wrench Remover/Installer
For equivalent regional tools, refer to Special Tools (Diagnostic Tools) , Special Tools (Removal and Installation) .