GM Service Manual Online
For 1990-2009 cars only
  1. Remove the spark plug wires from the spark plugs.
  2. Do not remove the spark plug wires from the ignition coils unless required.


    Object Number: 309715  Size: SH
  3. Remove the exhaust manifold, bolts, and gasket.
  4. Discard the gasket.

  5. Object Number: 490583  Size: SH
  6. Remove the heat shield (2) and bolts (3) from the manifold (1), if required.