For 1990-2009 cars

1. Remove the block heater cartridge.
2. Remove the right knock sensor bolt.
3. Remove the right knock sensor.
4. Remove the crankshaft position sensor bolt.
5. Remove the crankshaft position sensor.
6. Remove and discard the crankshaft position sensor O-ring, if damaged.
7. Remove the left knock sensor bolt.
8. Remove the left knock sensor.
9. Remove the oil jet bolts.
10. Remove the oil jets.
11. Remove the right front oil pan rail oil gallery expansion plug.
12. Remove the cylinder block-to-oil pan alignment dowels.
13. Remove the M14 right side oil gallery threaded plug.
14. Remove the M14 right side coolant drain threaded plug.
15. Remove the M14 rear oil gallery threaded plug.
16. Remove the M14 left side coolant drain threaded plug.
17. Remove the M20 left side oil gallery threaded plug.
18. Remove the coolant expansion plugs.
19. Remove the cylinder block-to-transmission alignment dowels.
20. Remove the front oil gallery expansion plug.
21. Remove the cylinder block-to-cylinder head alignment dowels.