GM Service Manual Online
For 1990-2009 cars only

Object Number: 2020047  Size: MF

Callout

Component Name

Preliminary Procedure

Remove the secondary air injection pump. Refer to LINK.

1

Knock Sensor

Procedure

  1. Disconnect the electrical connector.
  2. Remove the knock sensor fastener.

Caution: Refer to Fastener Caution in the Preface section.

Tighten
25 N·m (18 lb ft)