GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 707400  Size: SH
  1. Remove the exhaust manifold pipe, if necessary. Refer to Exhaust Manifold Pipe Replacement .
  2. Remove the catalytic converter, if necessary. Refer to Catalytic Converter Replacement .
  3. Remove the exhaust front heat shield nuts.
  4. Remove the exhaust front heat shield from the studs.

  5. Object Number: 707403  Size: SH
  6. If vehicle is a regular cab pick-up truck, remove the exhaust heat shield nuts.
  7. Remove the exhaust front heat shield (1) and/or the exhaust heat shield (2) from the studs.

  8. Object Number: 707409  Size: SH
  9. If vehicle is a extended cab pick-up truck, remove the exhaust heat shield nuts.
  10. Remove the exhaust heat shield (1, 2) from the studs.

  11. Object Number: 707411  Size: SH
  12. If vehicle is a crew cab pick-up truck, remove the exhaust heat shield nuts.
  13. Remove the exhaust heat shield(s) from the studs.

  14. Object Number: 707415  Size: SH
  15. If vehicle is a sport utility vehicle, remove the exhaust heat shield nuts.
  16. Remove the exhaust heat shield from the studs.

Installation Procedure


    Object Number: 707415  Size: SH
  1. If vehicle is a sport utility vehicle, install the exhaust heat shield to the studs.
  2. 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.

  3. Install the exhaust heat shield nuts.
  4. Tighten
    Tighten the exhaust heat shield nuts to 9 N·m (80 lb in).


    Object Number: 707411  Size: SH
  5. If vehicle is a crew cab pick-up truck, install the exhaust heat shield(s) to the studs.
  6. Install the exhaust heat shield nuts.
  7. Tighten
    Tighten the exhaust heat shield nuts to 9 N·m (80 lb in).


    Object Number: 707409  Size: SH
  8. If vehicle is a extended cab pick-up truck, install the exhaust heat shield (1, 2) to the studs.
  9. Install the exhaust heat shield nuts.
  10. Tighten
    Tighten the exhaust heat shield nuts to 9 N·m (80 lb in).


    Object Number: 707403  Size: SH
  11. If vehicle is a regular cab pick-up truck, install the exhaust front heat shield (1) and/or the exhaust heat shield (2) to the studs.
  12. Install the exhaust heat shield nuts.
  13. Tighten
    Tighten the exhaust heat shield nuts to 9 N·m (80 lb in).


    Object Number: 707400  Size: SH
  14. Install the exhaust front heat shield to the studs.
  15. Install the exhaust front heat shield nuts.
  16. Tighten
    Tighten the exhaust heat shield nuts to 9 N·m (80 lb in).

  17. Install the catalytic converter, if necessary. Refer to Catalytic Converter Replacement .
  18. Install the exhaust manifold pipe, if necessary. Refer to Exhaust Manifold Pipe Replacement .