GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1958915  Size: SH
  1. Remove oil jet to cylinder block retaining bolts (2).
  2. Remove the oil jets (1).

  3. Object Number: 1958916  Size: SH
  4. Remove the right front oil pan rail oil gallery expansion plug (1).

  5. Object Number: 1958918  Size: SH
  6. Remove the cylinder block-to-oil pan alignment dowels (1).

  7. Object Number: 1958920  Size: SH
  8. Remove the M14 right side oil gallery threaded plug (1).

  9. Object Number: 1958924  Size: SH
  10. Remove the M14 right side coolant drain threaded plug (1).

  11. Object Number: 1958927  Size: SH
  12. Remove the M14 rear oil gallery threaded plug (1).

  13. Object Number: 1958929  Size: SH
  14. Remove the M14 left side coolant drain threaded plug (1).

  15. Object Number: 1958932  Size: SH
  16. Remove the M20 left side oil gallery threaded plug (1).

  17. Object Number: 1958935  Size: SH
  18. Remove the coolant expansion plugs (1).

  19. Object Number: 1958938  Size: SH
  20. Remove the cylinder block-to-transmission alignment dowels (1).

  21. Object Number: 1958941  Size: SH
  22. Remove the front oil gallery expansion plug (1).

  23. Object Number: 1958943  Size: SH
  24. Remove the cylinder block-to-cylinder head alignment dowels (2).