GM Service Manual Online
For 1990-2009 cars only

    Object Number: 470899  Size: SH

    Important: Mark, organize and sort the cylinder head components. Return the components to their original location during reassembly. Make an organizer rack from a piece of wood.

  1. Remove the valve rocker arm nuts, the valve rocker arm balls and the valve rocker arms.

  2. Object Number: 470903  Size: SH

    Important: The exhaust valve push rods (2) are longer than the intake valve push rods (1).

  3. Remove the valve push rods.

  4. Object Number: 470906  Size: SH
  5. Remove the valve rocker arm studs and push rod guides.