GM Service Manual Online
For 1990-2009 cars only

    Object Number: 262298  Size: SH
  1. Unclip and remove the intake rocker arms (1) from the rocker arm shaft.

  2. Object Number: 262294  Size: SH
  3. Remove the 6 rocker arm shaft bolts (1).
  4. Slide the camshaft towards the rear of the cylinder head to access the rocker arm shaft O-ring seal.
  5. Remove the rocker arm shaft O-ring seal.

  6. Object Number: 262352  Size: SH
  7. Carefully slide the rocker arm shaft out of the cylinder head while removing the exhaust rocker arms (1) and springs from the rocker arm shaft.