GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1837367  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the rear exhaust manifold heat shield bolts and shield.
  3. Remove the right catalytic converter. Refer to Catalytic Converter Replacement - Right Side.

  4. Object Number: 1836545  Size: SH
  5. Disconnect the engine wiring harness electrical connector (2) from the bank 1 knock sensor.

  6. Object Number: 860801  Size: SH
  7. Loosen the knock sensor bolt and remove the knock sensor.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 860801  Size: SH
  1. Position the knock sensor and tighten the knock sensor bolt tightening the bolt to 23 N·m (17 lb ft).

  2. Object Number: 1836545  Size: SH
  3. Connect the engine wiring harness electrical connector (2) to the bank 1 knock sensor.

  4. Object Number: 1837367  Size: SH
  5. Position the rear exhaust manifold heat shield to the engine and install the bolts tightening the bolts to 50 N·m (37 lb ft).
  6. Install the right catalytic converter. Refer to Catalytic Converter Replacement - Right Side.
  7. Lower the vehicle.