GM Service Manual Online
For 1990-2009 cars only

    Important: Lubricate the valve rocker arms with engine oil before installing.

    Install valve rocker arms to their original locations.


    Object Number: 60456  Size: SH
  1. Install the valve rocker arms to the valve rocker arm shaft.
  2. Install new valve rocker arm retainers using the following procedure:
  3. 2.1. Center the valve rocker arms on the corresponding holes in the valve rocker arm shaft.
    2.2. Install the retainers with a drift of at least 13 mm (1/2 in) diameter.