GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2004 🢒 CTS 🢒 Engine 🢒 Engine Controls - 5.7L 🢒 Knock Sensor Replacement

Removal Procedure

    Object Number: 54608 Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical.
  2. Remove the knock sensor wiring harness assembly.

    3. Object Number: 54612 Size: SH
  3. Remove the knock sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 54612 Size: SH
  1. Install the knock sensor.

    2. Tighten
    Tighten the knock sensor to 20 N·m (15 lb ft).


    Object Number: 54608 Size: SH
  2. Install the knock sensor wiring harness assembly.
  3. Install the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical.
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.