GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1698082  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. If equipped, remove the oil pan skid plate and bolts.

  3. Object Number: 1877013  Size: SH
  4. Remove the knock sensor heat shield bolt and shield.

  5. Object Number: 1877014  Size: SH
  6. Reposition the knock sensor sleeve (2) down, away from the knock sensor.
  7. Disconnect the engine wiring harness electrical connector (1) from the knock sensor.

  8. Object Number: 1877015  Size: SH
  9. Remove the knock sensor bolt and sensor.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1877015  Size: SH
  1. Position the knock sensor to the engine block and install the bolt.
  2. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).


    Object Number: 1877014  Size: SH
  3. Connect the engine wiring harness electrical connector (1) to the knock sensor.
  4. Position the knock sensor sleeve (2) up and over the knock sensor.

  5. Object Number: 1877013  Size: SH
  6. Position the knock sensor heat shield to the engine block and install the bolt.
  7. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 1698082  Size: SH
  8. If equipped, position the oil pan skid plate and install the bolts.
  9. Tighten
    Tighten the bolts to 28 N·m (21 lb ft).

  10. Lower the vehicle.