GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Cobalt 🢒 Engine 🢒 Engine Exhaust 🢒 Exhaust Heat Shield Replacement

Removal Procedure

    Object Number: 1631769 Size: SH
  1. Remove the catalytic converter. Refer to Catalytic Converter Replacement .
  2. To aid in removal, spray a non petroleum based lubricant onto the insulators.
  3. Remove the insulators from the resonator pipe and the muffler.
  4. Using a suitable jack stand for support, lower the resonator pipe and the muffler for clearance.

    5. Object Number: 1631773 Size: SH
  5. Drill out and remove the 4 heat shield rivets  (1).
  6. Remove the heat shield nut  (2).
  7. Remove the heat shield.

Installation Procedure

    Object Number: 1631773 Size: SH
  1. Position the heat shield to the underbody.

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

  2. Install the heat shield nut (2).

    3. Tighten
    Tighten the nut to 10 N·m (89 lb in).

  3. Install 4 NEW heat shield rivets  (1).

    4. Object Number: 1631769 Size: SH
  4. To aid in installation, spray a non petroleum based lubricant onto the insulators.
  5. Raise the resonator pipe and the muffler to the insulators and attach.
  6. Install the catalytic converter. Refer to Catalytic Converter Replacement .