GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Yukon - 4WD 🢒 Engine 🢒 Engine Controls and Fuel - Hybrid (HP2) 6.0L (LFA) 🢒 Knock Sensor 2 Replacement

Removal Procedure

    Object Number: 1964987 Size: SH
  1. Remove the right front wheel and tire. Refer to Tire and Wheel Removal and Installation .
  2. Working through the wheel well opening, disconnect the engine wiring harness electrical connector (3) 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: 1964987 Size: SH
  2. Connect the engine wiring harness electrical connector (3) to knock sensor.
  3. Install the right front wheel and tire. Refer to Tire and Wheel Removal and Installation .