GM Service Manual Online
For 1990-2009 cars only

    Object Number: 334508  Size: SH

    Caution: Wear safety glasses in order to avoid eye damage.

  1. Clean the valve rocker arm cover in cleaning solvent.
  2. Dry the valve rocker arm cover with compressed air.
  3. Inspect the valve rocker arm cover for the following:
  4. • Damage to the PCV valve grommet (1)
    • Damage to the bolt holes (2)
    • A damaged valve rocker arm cover may interfere with the valve rocker arms.
    • Damage to the exterior of the valve rocker arm cover (3)
    • Gouges or damage to the sealing surface (4)
    • Damage to the oil fill tube grommet (5)
    • Restrictions to the ventilation system passages