GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 54608  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical 5.7L.
  3. Remove the Knock Sensor wiring harness assembly.

  4. Object Number: 54612  Size: SH
  5. Remove the Knock Sensor.

Installation Procedure


    Object Number: 54612  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.

  1. Install the Knock Sensor.
  2. Tighten
    Tighten the Knock Sensor to 15 N·m (11 lb ft).


    Object Number: 54608  Size: SH
  3. Install the Knock Sensor wiring harness assembly.
  4. Install the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical 5.7L.
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  6. Perform the idle learn procedure. Refer to Idle Learn .