GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 CTS 🢒 Engine 🢒 Engine Mechanical - 5.7L 🢒 Engine Block Valley Cover Cleaning and Inspection

    Object Number: 1272812 Size: SH

    Important: Do not use the valley cover knock sensor oil seals again. Install NEW oil seals during assembly.

  1. Remove the knock sensor oil seals (520) from the valley cover (555).

    2. Object Number: 1272859 Size: SH
  2. Remove the bolts (1), baffle cover (2), and baffle (3) from the valley cover (555).
  3. Clean the valley cover components in solvent.

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

  4. Dry the components with compressed air.
  5. Inspect the gasket sealing surfaces for excessive scratches or gouging.
  6. Inspect the oil seal bores for excessive scratching or gouging.
  7. Inspect the ventilation tube for a loose fit or restrictions.

    8. Notice: Refer to Fastener Notice in the Preface section.

  8. Install the baffle (3), baffle cover (2) and bolts (1) to the valley cover (555).

    9. Tighten
    Tighten the baffle cover bolts to 5 N·m (44 lb in).