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: 1836988  Size: SH
  1. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Left Side .
  2. Remove the oil level indicator. Refer to Oil Level Indicator and Tube Replacement .
  3. Remove the catalytic converter to exhaust manifold nuts (1).

  4. Object Number: 1836987  Size: SH
  5. Remove the exhaust manifold bolts (1).
  6. Important: Do not reuse the gasket.

  7. Remove the exhaust manifold and gasket. Discard the gasket.

Installation Procedure


    Object Number: 1836987  Size: SH
  1. Install one exhaust manifold bolt 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 remaining exhaust manifold bolts (1).
  6. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 1836988  Size: SH
  7. Install the catalytic converter to exhaust manifold nuts (1).
  8. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  9. Install the oil level indicator. Refer to Oil Level Indicator and Tube Replacement .
  10. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Left Side .