GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1801755  Size: SH
  1. Place RTV sealant on new coolant expansion plugs (1) and install the new coolant expansion plugs.
  2. Install the cylinder block-to-cylinder head alignment dowels (2).

  3. Object Number: 1801812  Size: SH
  4. Install a new front oil gallery expansion plug (1).

  5. Object Number: 1801802  Size: SH
  6. Install the cylinder block-to-transmission alignment dowels (1).
  7. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1801751  Size: SH
  8. Install the rear oil gallery threaded plug (1), bank 2 side coolant drain threaded plug (2) and the left-hand side oil gallery threaded plug (3).
  9. Tighten

        • Tighten the cylinder block rear oil gallery threaded plug to 31 N·m (33 lb ft).
        • Tighten the bank 2 side coolant drain threaded plug to 31 N·m (23 lb ft).
        • Tighten the bank 2 side oil gallery threaded plug to 31 N·m (23 lb ft).

    Object Number: 1801749  Size: SH
  10. Install the oil gallery threaded plug (1) and the right-hand side coolant drain threaded plug (2).
  11. Tighten

        • Tighten the bank 1 side oil gallery threaded plug to 31 N·m (23 lb ft).
        •  Tighten the bank 1 side coolant drain threaded plug to 31 N·m (23 lb ft).

    Object Number: 1801747  Size: SH
  12. Install the new bank 1 side front oil pan rail oil gallery expansion plug (1) and the cylinder block-to-oil pan alignment dowels (2).

  13. Object Number: 1801742  Size: SH
  14. Install the oil jet (2), 3 places.
  15. Install the oil jet attaching bolt (1), 3 places.
  16. Tighten
    Tighten the oil jet attaching bolt to 10 N·m (89 lb in).