GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 HHR 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Knock Sensor Replacement

Removal Procedure

    Object Number: 1622787 Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the knock sensor (KS) harness electrical connector (6).

    3. Object Number: 1578476 Size: SH
  3. Remove the KS bolt.
  4. Remove the KS.

Installation Procedure

    Object Number: 1578476 Size: SH
  1. Install the KS.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the KS bolt.

    3. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).


    Object Number: 1622787 Size: SH
  3. Connect the KS harness electrical connector (6).
  4. Lower the vehicle.