GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1967305  Size: SH
  1. Remove the oil filter fitting (438), as required.

  2. Object Number: 1967329  Size: SH
  3. Remove the oil level sensor (727) and O-ring (728).

  4. Object Number: 1967330  Size: SH
  5. Remove the bolts (427) and baffle (428).

  6. Object Number: 1658297  Size: SH
  7. Remove the oil pan bolts (435), cover (434), and gasket (433).
  8. Clean the oil pan in solvent.
  9. Caution: Refer to Safety Glasses and Compressed Air Caution in the Preface section.

  10. Dry the oil pan with compressed air.

  11. Object Number: 1967333  Size: SH
  12. Inspect the oil pan for the following conditions:
  13. • Damaged gasket surfaces (1)
    • Restrictions within the oil passages (2) of the pan
    • Damaged oil filter seal surface (3)
    • Threaded oil level sensor hole (4) for damage