GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Tahoe - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Knock Sensor 2 Replacement

Removal Procedure

    Object Number: 1698087 Size: SH
  1. Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Disconnect the engine wiring harness electrical connector (2) from knock sensor.

    3. Object Number: 1402140 Size: SH
  3. Remove the knock sensor bolt (739) and knock sensor (718).

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1402140 Size: SH
  1. Position the knock sensor (718) to the engine block and install the knock sensor bolt (739).

    2. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).


    Object Number: 1698087 Size: SH
  2. Connect the engine wiring harness electrical connector (2) to knock sensor.