GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 STS 🢒 Engine 🢒 Engine Controls - 3.6L (LY7) 🢒 Knock Sensor Replacement - Bank 1

Removal Procedure

    Object Number: 945742 Size: SH
  1. Turn the ignition OFF.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Reposition the wiring harness heat shield to obtain access.
  4. Remove the knock sensor (KS) electrical connector.

    5. Object Number: 860801 Size: SH
  5. Remove the KS bolt.
  6. Remove the KS.

Installation Procedure

    Object Number: 860801 Size: SH
  1. Install the KS.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the KS bolt.

    3. Tighten
    Tighten the KS bolt to 23 N·m (17 lb ft).


    Object Number: 945742 Size: SH
  3. Install the KS electrical connector.
  4. Install the wiring harness heat shield to the original position.
  5. Lower the vehicle.