GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1949900  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the knock sensor (KS) electrical connector (1) from the KS (2).

  3. Object Number: 1949901  Size: SH
  4. Remove the KS to engine block retaining bolt (1) from the KS.
  5. Remove the KS (2) from the engine.

Installation Procedure


    Object Number: 1949901  Size: SH
  1. Install the KS (2) to the engine.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the KS to engine block retaining bolt (1) and tighten to 23 N·m (17 lb ft).

  4. Object Number: 1949900  Size: SH
  5. Install the KS electrical connector (1) to the KS (2).
  6. Lower the vehicle.