GM Service Manual Online
For 1990-2009 cars only

    Object Number: 22766  Size: SH

    Important: Be sure to keep parts in order. Parts must be put back from where they were removed.

  1. Apply prelube GM P/N 12345501 or equivalent to the valve rocker arm and the valve rocker arm ball bearing surfaces.
  2. Important: Be sure that the valve pushrods seat in the valve lifter sockets.

  3. Install the valve pushrods.

  4. Object Number: 182835  Size: SH
  5. Install the following parts:
  6. 3.1. The valve rocker arm nuts (1)
    3.2. The valve rocker arm balls (2)
    3.3. The valve rocker arms (3)