GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Warning: Refer to Exhaust Service Warning in the Preface section.

Warning: Refer to Protective Goggles and Glove Warning in the Preface section.


    Object Number: 1902716  Size: SH
  1. If equipped with a 3.7L engine, remove the catalytic converter. Refer to Catalytic Converter Replacement.
  2. If equipped with a 5.3L engine, remove the catalytic converters. Refer to Catalytic Converter Replacement - Left Side and/or Catalytic Converter Replacement - Right Side.
  3. Remove the catalytic converter heat shield nuts (2) and shield (1).

  4. Object Number: 1902714  Size: SH
  5. If equipped with a 5.3L engine, remove the catalytic converter heat shield nuts (2) and shield (1).

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1902714  Size: SH
  1. If equipped with a 5.3L engine, position the catalytic converter heat shield (1) to the underbody and install the nuts (2).
  2. Tighten
    Tighten the nuts to 9 N·m (80 lb in).


    Object Number: 1902716  Size: SH
  3. Position the catalytic converter heat shield (1) to the underbody and install the nuts (2).
  4. Tighten
    Tighten the nuts to 9 N·m (80 lb in).

  5. If equipped with a 5.3L engine, install the catalytic converters. Refer to Catalytic Converter Replacement - Left Side and/or Catalytic Converter Replacement - Right Side.
  6. If equipped with a 3.7L engine, install the catalytic converter. Refer to Catalytic Converter Replacement.