GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1958943  Size: SH
  1. Install the cylinder block-to-cylinder head alignment dowels (1).

  2. Object Number: 1958941  Size: SH
  3. Install the NEW front oil gallery expansion plug (1).
  4. Make sure the NEW front oil gallery expansion plug (1) is installed to the correct depth.

  5. Object Number: 1958938  Size: SH
  6. Install the cylinder block-to-transmission alignment dowels (1).

  7. Object Number: 1958935  Size: SH
  8. Apply RTV sealant on the NEW coolant expansion plugs (1).
  9. Install the NEW coolant expansion plugs (1).
  10. Make sure the NEW coolant expansion plugs (1) are installed to the correct depth.

  11. Object Number: 1958932  Size: SH
  12. Apply thread sealant on the threads of the M20 left side oil gallery threaded plug (1).
  13. Notice: Refer to Fastener Notice in the Preface section.

  14. Install the M20 left side oil gallery threaded plug (1).
  15. Tighten
    Tighten the plug to 31 N·m (23 lb ft).


    Object Number: 1958929  Size: SH
  16. Apply thread sealant on the threads of the M14 left side coolant drain threaded plug (1).
  17. Install the M14 left side coolant drain threaded plug (1).
  18. Tighten
    Tighten the threaded plug to 31 N·m (23 lb ft).


    Object Number: 1958927  Size: SH
  19. Apply thread sealant on the threads of the M14 rear oil gallery threaded plug (1).
  20. Install the M14 rear oil gallery threaded plug (1).
  21. Tighten
    Tighten the plug to 31 N·m (23 lb ft).


    Object Number: 1958924  Size: SH
  22. Apply thread sealant on the threads of the M14 right side coolant drain threaded plug (1).
  23. Install the M14 right side coolant drain threaded plug (1).
  24. Tighten
    Tighten the plug to 31 N·m (23 lb ft).


    Object Number: 1958920  Size: SH
  25. Apply thread sealant on the threads of the M14 right side oil gallery threaded plug (1).
  26. Install the M14 right side oil gallery threaded plug (1).
  27. Tighten
    Tighten the plug to 31 N·m (23 lb ft).


    Object Number: 1958918  Size: SH
  28. Install the cylinder block-to-oil pan alignment dowels (1).

  29. Object Number: 1958916  Size: SH
  30. Install the NEW right front oil pan rail oil gallery expansion plug (1).
  31. Make sure the NEW right front oil pan rail oil gallery expansion plug (1) is installed to the correct depth.

  32. Object Number: 1958915  Size: SH
  33. Install the oil jets (1).
  34. Install the oil jet to cylinder block retaining bolts (2).
  35. Tighten
    Tighten the bolts to 10 N·m (89 lb in).