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.

  1. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Left Side .
  2. Remove the oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement .

  3. Object Number: 1973980  Size: SH
  4. Remove the lower intermediate steering shaft. Refer to Lower Intermediate Steering Shaft Replacement .

  5. Object Number: 902880  Size: SH
  6. Remove the catalytic converter. Refer to Catalytic Converter Replacement - Left Side .
  7. Remove the exhaust manifold and discard the exhaust manifold gasket.
  8. If reusing the exhaust manifold, clean and inspect the exhaust manifold sealing surfaces. Refer to Exhaust Manifold Cleaning and Inspection - Left Side .

Installation Procedure


    Object Number: 902880  Size: SH
  1. Install a NEW exhaust manifold gasket to the exhaust manifold.
  2. Install the exhaust manifold and the gasket to the cylinder head.
  3. Notice: Refer to Fastener Notice in the Preface section.

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

    Important: Inspect the catalytic converter seal/heat shield sealing surface. replace the seal/heat shield if the sealing surface is worn or damaged.


    Object Number: 1973980  Size: SH
  6. Install the catalytic converter to the exhaust manifold. Refer to Catalytic Converter Replacement - Left Side .
  7. Install the lower intermediate steering shaft. Lower Intermediate Steering Shaft Replacement .
  8. Install the oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement .
  9. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Left Side .
  10. Inspect the exhaust system for leaks.