GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Malibu 🢒 Engine 🢒 Engine Controls and Fuel - 3.5L 🢒 Knock Sensor Replacement - Bank 2

Removal Procedure

    Object Number: 1774868 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Disconnect the engine wiring harness electrical connector (2) from the knock sensor.

    3. Object Number: 1800587 Size: SH
  3. Remove the knock sensor bolt and sensor.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1800587 Size: SH
  1. Position the knock sensor to the engine block and install the knock sensor bolt.

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


    Object Number: 1774868 Size: SH
  2. Connect the engine wiring harness electrical connector (2) to the knock sensor.
  3. Lower the vehicle.