GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Spark 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Knock Sensor Replacement

Removal Procedure

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

    Warning: Refer to Battery Disconnect Warning 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
  4. Remove the knock sensor retaining bolt (1).
  5. Remove the knock sensor.

Installation Procedure

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

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1225014 Size: SH
  1. Install the knock sensor with the bolt and tighten to 15-25 N·m (11-18 lb ft).
  2. Connect the electrical connector to the knock sensor.
  3. Install the starter. Refer to Starter Motor Replacement.
  4. Connect the negative battery cable.