GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.

Caution: Always wear protective goggles and gloves when removing exhaust parts as falling rust and sharp edges from worn exhaust components could result in serious personal injury.


    Object Number: 1670478  Size: SH

    Caution: Eye protection must be worn when drilling rivets to reduce the chance of personal injury.

  1. Remove the exhaust system. Refer to Exhaust System Replacement .
  2. Drill out the heat shield rivets (2).
  3. Remove the heat shield.

Installation Procedure


    Object Number: 1670478  Size: SH
  1. Position the heat shield to the floor panel.
  2. Using a rivet gun, install the rivets (2), except for this location (1), this rivet will be installed with the oxygen sensor heat shield.
  3. Install the exhaust system. Refer to Exhaust System Replacement .