GM Service Manual Online
For 1990-2009 cars only

Valve Rocker Arm Cover Cleaning and Inspection for Saturn L300/LW300 2001

  1. Clean the camshaft cover in solvent, removing all sludge and varnish.
  2. Clean the old sealer from the sealing surfaces.
  3. Inspect for the following conditions:
  4. • Chipped or cracked sealing flanges
    • Cracked or worn areas of the cover