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: 1836989  Size: SH
  1. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Right Side .
  2. Remove the catalytic converter to exhaust manifold nuts (1).
  3. Remove the right catalytic converter. Refer to Catalytic Converter Replacement - Right Side .

  4. Object Number: 1836986  Size: SH
  5. Remove the exhaust manifold bolts (1).
  6. Important: Do not reuse the gasket.

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

Installation Procedure


    Object Number: 1836986  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 25 N·m (18 lb ft).

  7. Install the right catalytic converter. Refer to Catalytic Converter Replacement - Right Side .

  8. Object Number: 1836989  Size: SH
  9. Install the catalytic converter nuts (1).
  10. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  11. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Right Side .