GM Service Manual Online
For 1990-2009 cars only

    Object Number: 902736  Size: SH
  1. Install the cylinder block-to-cylinder head alignment dowels.

  2. Object Number: 902730  Size: SH
  3. Install the NEW front oil gallery expansion plug.
  4. Ensure the NEW front oil gallery expansion plug is installed to the proper depth.

  5. Object Number: 902737  Size: SH
  6. Install the cylinder block-to-transmission alignment dowels.

  7. Object Number: 902733  Size: SH
  8. Apply the RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent on the NEW coolant expansion plugs.
  9. Install the NEW coolant expansion plugs.
  10. Ensure the NEW coolant expansion plugs are installed to the proper depth.

  11. Object Number: 1327926  Size: SH
  12. Apply thread sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent on the threads of the M20 left side oil gallery threaded plug.
  13. Notice: Refer to Fastener Notice in the Preface section.

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


    Object Number: 1327925  Size: SH
  16. Apply thread sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent on the threads of the M14 left side coolant drain threaded plug.
  17. Install the M14 left side coolant drain threaded plug.
  18. Tighten
    Tighten the M14 left side coolant drain threaded plug to 31 N·m (23 lb ft).


    Object Number: 1327924  Size: SH
  19. Apply thread sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent on the threads of the M14 rear oil gallery threaded plug.
  20. Install the M14 rear oil gallery threaded plug.
  21. Tighten
    Tighten the M14 rear oil gallery threaded plug to 31 N·m (23 lb ft).


    Object Number: 1327923  Size: SH
  22. Apply thread sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent on the threads of the M14 right side coolant drain threaded plug.
  23. Install the M14 right side coolant drain threaded plug.
  24. Tighten
    Tighten the M14 right side coolant drain threaded plug to 31 N·m (23 lb ft).


    Object Number: 1327922  Size: SH
  25. Apply thread sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent on the threads of the M14 right side oil gallery threaded plug.
  26. Install the M14 right side oil gallery threaded plug.
  27. Tighten
    Tighten the M14 right side oil gallery threaded plug to 31 N·m (23 lb ft).


    Object Number: 902740  Size: SH
  28. Install the cylinder block-to-oil pan alignment dowels.

  29. Object Number: 902732  Size: SH
  30. Install the NEW right front oil pan rail oil gallery expansion plug.
  31. Ensure the NEW right front oil pan rail oil gallery expansion plug is installed to the proper depth.

  32. Object Number: 1866877  Size: SH
  33. Install the oil jets.
  34. Install the oil jet bolts.
  35. Tighten
    Tighten the oil jet bolts to 10 N·m (89 lb in).


    Object Number: 1930269  Size: SH
  36. Install the NEW O-ring on the crankshaft position sensor, if damaged.

  37. Object Number: 1930246  Size: SH
  38. Position the crankshaft position sensor into the cylinder block.
  39. Install the crankshaft position sensor bolt.
  40. Tighten
    Tighten the crankshaft position sensor bolt to 10 N·m (89 lb in).


    Object Number: 1930195  Size: SH
  41. Position the right knock sensor to the cylinder block, as shown.
  42. Install the right knock sensor bolt.
  43. Tighten
    Tighten the right knock sensor bolt to 23 N·m (17 lb ft).

  44. Ensure proper right knock sensor orientation.

  45. Object Number: 1930214  Size: SH
  46. Position the left knock sensor to the cylinder block, as shown.
  47. Install the left knock sensor bolt.
  48. Tighten
    Tighten the left knock sensor bolt to 23 N·m (17 lb ft).

  49. Ensure the proper left knock sensor orientation.

  50. Object Number: 1930194  Size: SH
  51. Install the block heater cartridge, if equipped.