GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Cobalt 🢒 Engine 🢒 Engine Controls - 2.2L (L61) 🢒 Knock Sensor Replacement

Removal Procedure
  1. Remove the starter. Refer to Starter Motor Replacement .

    2. Object Number: 630342 Size: SH
  2. Disconnect the knock sensor (KS) harness connector.
  3. Remove the KS retaining bolt.
  4. Remove the KS.

Installation Procedure

    Object Number: 630342 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Important:  The KS threaded surfaces must be clean before installation.

  1. Install the knock sensor.

    2. Tighten
    Tighten the knock sensor retaining bolt to 25 N·m (18 lb ft).

  2. Connect the knock sensor harness connector.
  3. Install the starter. Refer to Starter Motor Replacement .