GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

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


    Object Number: 1861298  Size: SH
  1. Remove the catalytic converter. Refer to Catalytic Converter Replacement - Right Side.
  2. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Right Side.
  3. Remove the exhaust manifold bolts (1).
  4. Important: Do not reuse the gasket.

  5. Remove the exhaust manifold and gasket out from vehicle. Discard the gasket.

Installation Procedure


    Object Number: 1861298  Size: SH
  1. Install one exhaust manifold bolt (1) to the exhaust manifold.
  2. Install the NEW exhaust manifold gasket onto the cylinder head and bolt.
  3. Install the exhaust manifold (with gasket) to the catalytic converter and the cylinder head.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the exhaust manifold bolts.
  6. Tighten
    Tighten the bolts to 20 N·m (15 lb ft).

  7. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Right Side.
  8. Install the catalytic converter. Refer to Catalytic Converter Replacement - Right Side.