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

Removal Procedure

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


    Object Number: 1375163 Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the variable intake system (VIS) vacuum tank. Refer to Intake Manifold Tuning Valve Vacuum Reservoir Replacement.

    3. Object Number: 1375330 Size: SH
  3. Remove the wiring harness from the support bracket.

    4. Object Number: 1375334 Size: SH
  4. Disconnect the knock sensor wiring harness connector.
  5. Remove the knock sensor.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1375336 Size: SH
  1. Install the knock sensor and tighten the retaining bolt to 19 N·m (14 lb ft).
  2. Connect the knock sensor wiring harness connector.

    3. Object Number: 1375330 Size: SH
  3. Install the wiring harness to the support bracket.

    4. Object Number: 1375175 Size: SH
  4. Install the VIS vacuum tank and tighten the retaining bolts to 8 N·m (71 lb in). Refer to Intake Manifold Tuning Valve Vacuum Reservoir Replacement.
  5. Connect the negative battery cable.