GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2006 🢒 GTO 🢒 Engine 🢒 Engine Mechanical - 6.0L 🢒 Engine Block Valley Cover Cleaning and Inspection

    Object Number: 1408874 Size: SH
  1. Clean the valley cover in solvent.

    2. Caution: Refer to Safety Glasses Caution in the Preface section.

  2. Dry with compressed air.
  3. Inspect for restrictions within the positive crankcase ventilation (PCV) passages (1, 4).
  4. Inspect for damaged threads (2) and damaged sealing surfaces (3).