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: 1861341  Size: SH
  1. Remove the exhaust flexible pipe. Refer to Exhaust Flexible Pipe Replacement.
  2. Remove the catalytic converter to exhaust manifold nuts (2).
  3. Remove the catalytic converter from the exhaust manifold.
  4. Remove and discard the catalytic converter to exhaust manifold seal (1).

Installation Procedure


    Object Number: 1861341  Size: SH
  1. Install a NEW catalytic converter to exhaust manifold seal (1) onto the catalytic converter.
  2. Install the catalytic converter to the exhaust manifold.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the catalytic converter to exhaust manifold nuts (2).
  5. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  6. Install the exhaust flexible pipe. Refer to Exhaust Flexible Pipe Replacement.