GM Service Manual Online
For 1990-2009 cars only

    Object Number: 262520  Size: SH
  1. Remove the secondary (spark plug) wire retaining clamps from the cylinder head cover.
  2. Remove the cylinder head cover nuts and the seal washers that are located under the nuts.
  3. Remove the six valve cover (3) bolts from the cylinder head.
  4. Remove the valve cover gasket and seals from the cylinder head.