GM Service Manual Online
For 1990-2009 cars only

    Object Number: 177848  Size: SH
  1. Remove the clamps (2) that retain the spark plug wires from the valve rocker-arm cover.
  2. Remove the valve rocker-arm cover nuts and the seal washers.
  3. Remove the valve rocker-arm cover (1) from the cylinder head.
  4. Remove the valve rocker-arm cover gasket from the valve rocker-arm cover.