Heated Oxygen Sensor Replacement - Sensor 1

Fig 1: Heated Oxygen Sensor - Sensor 1

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool. Preliminary Procedures Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
1	Heated Oxygen Sensor CAUTION: Refer to Fastener Caution . Procedure Disconnect the heated oxygen sensor wiring harness connector. Remove the heated oxygen sensor. When re-using the heated oxygen sensor, coat the thread with assembly paste. Tighten 42 N.m (31 lb ft) Special Tools EN-6179 Heated Oxygen Sensor Remover / Installer For equivalent regional tools, refer to Special Tools .

Callout

Component Name

WARNING:

In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.

Preliminary Procedures Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .

Heated Oxygen Sensor

CAUTION:

Procedure

Tighten
42 N.m (31 lb ft)
Special Tools
EN-6179 Heated Oxygen Sensor Remover / Installer
For equivalent regional tools, refer to Special Tools .