GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Ensure that the vehicle is properly supported and squarely positioned. To help avoid personal injury when a vehicle is on a hoist, provide additional support for the vehicle on the opposite end from which the components are being removed.

  1. Hoist the vehicle.

  2. Object Number: 926825  Size: SH
  3. Remove the manifold exhaust pipe. Refer to Exhaust Manifold Pipe Replacement .

  4. Object Number: 927081  Size: SH

    Important: The front and rear heat shields overlap and utilize common rivet attachment points.

  5. Remove the nut and rivets.
  6. Remove the heat shield.

Installation Procedure


    Object Number: 927081  Size: SH
  1. Position the shield to the vehicle, aligning the front hole stud. Place the rear of the shield under the rear shield and against the underbody.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the nut and tighten.
  4. Tighten
    Tighten the heat shield-to-underbody nut to 10 N·m (89 lb ft).

  5. Install the rivets.

  6. Object Number: 926825  Size: SH
  7. Install the manifold exhaust pipe. Refer to Exhaust Manifold Pipe Replacement .