GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 G3 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Knock Sensor Replacement

Removal Procedure

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


    Object Number: 1922090 Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the intake manifold bracket bolts and bracket.

    3. Object Number: 1922092 Size: SH
  3. Disconnect the knock sensor (KS) electrical connector.
  4. Remove the Knock sensor bolt.
  5. Remove the knock sensor.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1922092 Size: SH
  1. Install the KS with the bolt.

    2. Tighten
    Tighten the KS bolt to 20 N·m (15 lb ft).

  2. Connect the KS electrical connector.

    3. Object Number: 1922090 Size: SH
  3. Install the intake manifold bracket and bolts.

    4. Tighten

        • Tighten the bracket upper bolt to 25 N·m (18 lb ft).
        • Tighten the bracket lower bolt to 45 N·m (33 lb ft).
  4. Connect the negative battery cable.