GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the catalytic converter.
  2. • For the 3800 (VIN K), refer to Catalytic Converter Replacement .
    • For the 5.7L (VIN P), refer to Oxidation Catalytic Converter .

    Object Number: 21618  Size: SH
  3. Remove the exhaust heat shield screw.
  4. Remove the exhaust heat shield.

Installation Procedure


    Object Number: 21618  Size: SH
  1. Install the exhaust heat shield.
  2. Install the exhaust heat shield screw.
  3. Tighten
    Tighten the screw to 2.0 N·m (18 lb in).

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the catalytic converter.
  5. • For the 3800 (VIN K), refer to Catalytic Converter Replacement .
    • For the 5.7L (VIN P), refer to Oxidation Catalytic Converter .