GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the engine cover.
  2. Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1291202  Size: SH
  3. Disconnect the negative battery cable.
  4. Caution: Refer to Oxygen Sensor Caution in the Preface section.

  5. Remove the exhaust manifold heat shield.

  6. Object Number: 1701496  Size: SH
  7. Remove the exhaust flex pipe retaining nuts from the exhaust manifold studs.

  8. Object Number: 1701523  Size: SH
  9. Remove the exhaust manifold retaining nuts in the sequence shown and remove the exhaust manifold.
  10. Remove the exhaust manifold gasket.
  11. Clean the sealing surfaces of the exhaust manifold and the cylinder head.