GM Service Manual Online
For 1990-2009 cars only

    Object Number: 11481  Size: SH
  1. For LT1 engines, remove the following components from the cylinder head:
  2. 1.1. The valve rocker arm nuts (1)
    1.2. The valve rocker arm balls (2)
    1.3. The valve rocker arms (3)

    Object Number: 22768  Size: SH
  3. For LT4 engines, remove the valve rocker arms and nuts.

  4. Object Number: 11515  Size: SH
  5. Remove the valve rocker arm studs.

  6. Object Number: 22766  Size: SH
  7. Remove the valve pushrods.
  8. Place the following parts in a rack so that they can be reinstalled in their original locations:
  9. • The valve rocker arms
    • The valve rocker arm balls (if applicable)
    • The valve pushrods