GM Service Manual Online
For 1990-2009 cars only

Object Number: 2156594  Size: MF

Callout

Component Name

Preliminary Procedure

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

1

Heated Oxygen Sensor 2 Fastener

Caution: Refer to Fastener Caution in the Preface section.

Tighten
42 N·m (31 lb in)

2

Procedure

Remove the heated oxygen sensor 2 with GE-49683 torque wrench 1/2" and CH-49720 remover/installer .

Special Tools

    • GE-49683 Torque Wrench 1/2"
    • CH-49720 Remover/Installer

For equivalent regional tools, refer to Special Tools.