GM Service Manual Online
For 1990-2009 cars only

Important: The original oil pan gasket is retained and aligned to the oil pan by rivets. When installing a new gasket, it is not necessary to install new oil pan gasket rivets.

DO NOT reuse the oil pan gasket. When installing the oil pan, install a NEW oil pan gasket.


    Object Number: 178477  Size: SH
  1. Remove the left closeout cover and bolt.

  2. Object Number: 178480  Size: SH
  3. Remove the right closeout cover and bolt.

  4. Object Number: 63114  Size: SH

    Important: It is not necessary to remove the oil level sensor prior to oil pan removal. Remove the oil level sensor if service is required.

  5. Remove the oil level sensor from the oil pan (if required).

  6. Object Number: 63206  Size: MH
  7. Remove the oil pan bolts.
  8. Remove the oil pan.

  9. Object Number: 384699  Size: SH

    Important: DO NOT allow foreign material to enter the oil passages of the oil pan, cap or cover the openings as required.

    Use care not to gouge, score, or damage the oil pan sealing surface.

  10. Drill (3) out the oil pan retaining rivets (2) (if required).
  11. Remove the oil pan gasket (1) from the oil pan.
  12. Discard the gasket and rivets.

  13. Object Number: 156160  Size: SH
  14. Remove the oil pan baffle bolts and baffle (if required).