GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1309985  Size: SH
  1. Remove the valve rocker arm cover bolts.
  2. Remove the valve rocker arm cover.
  3. Remove and discard the valve rocker arm cover gasket, valve rocker arm cover grommets and valve rocker arm cover bolts if they are serviced with the grommet.
  4. Important: The valve rocker arm cover gasket may be used again, if not removed from valve rocker arm cover.

  5. Replace the valve rocker arm cover gasket if it is cut or damaged.