GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.

    Caution: Refer to Knock Sensor Service Caution in the Preface section.


    Object Number: 1225044  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the starter. Refer to Starter Motor Replacement .
  3. Disconnect the electrical connector at the knock sensor (1).

  4. Object Number: 1225033  Size: SH
  5. Remove the knock sensor retaining bolt (1).
  6. Remove the knock sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1225014  Size: SH
  1. Install the knock sensor with the bolt (1).
  2. Tighten
    Tighten the knock sensor retaining bolt to 15-25 N·m (11-18 lb ft).

  3. Connect the electrical connector to the knock sensor.
  4. Install the starter. Refer to Starter Motor Replacement .
  5. Connect the negative battery cable.