GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 G8 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Knock Sensor Replacement - Bank 1

Removal Procedure

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


    Object Number: 1949896 Size: SH

    Danger: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  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
  3. Remove the knock sensor (KS) electrical (1) connector from the KS (2).
  4. Remove the KS (3) to engine block retaining bolt (2).

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


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

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