GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 G8 🢒 Preface 🢒 Dangers, Warnings, and Cautions 🢒 Oil Pan Cleaning and Inspection

    Object Number: 1565281 Size: SH
  1. Remove the oil filter fitting (438) as required. Refer to Oil Filter, Adapter, and Pan Cover Removal.

    2. Object Number: 1593663 Size: SH
  2. Remove the active fuel management oil pressure relief valve (455) and washer (458).

    3. Object Number: 1565291 Size: SH
  3. Inspect the active fuel management oil pressure relief valve for proper operation. Lightly depress the ball (2). The valve spring (1) should seat the ball to the proper closed position.

    4. Object Number: 1593666 Size: SH
  4. Remove the oil level sensor and O-ring.

    5. Object Number: 1565289 Size: SH
  5. Remove the bolts (427) and baffle (428).
  6. Clean the oil pan in solvent.

    7. Warning: Refer to Safety Glasses and Compressed Air Warning in the Preface section.

  7. Dry the oil pan with compressed air.

    8. Object Number: 1565292 Size: SH
  8. Inspect the oil pan for the following conditions:
    9. • Damaged gasket surfaces (1)
    • Restrictions within the oil passages (2) of the pan
    • Damaged oil filter seal surface (3)
    • Threaded bolt holes (4) for damage