GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Vehicle Lifting Caution in the Preface section.

    Caution: Refer to Safety Glasses Caution in the Preface section.


    Object Number: 1949896  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Disconnect the wiring harness retaining clip (1).

  3. Object Number: 1949898  Size: SH
  4. Remove the knock sensor (KS) electrical (1) connector from the KS (2)
  5. Remove the KS (3) to engine block retaining bolt (2).

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1949898  Size: SH
  1. Install the KS (3) to engine block retaining bolt (2).
  2. Tighten
    Tighten the KS bolt to 23 N·m (17 lb ft).


    Object Number: 1949898  Size: SH
  3. Install the knock sensor (KS) electrical (1) connector to the KS (2)
  4. Lower the vehicle.