For 1990-2009 cars

1. Remove the water jacket drain plug.
2. Remove the oil flow check valve.
3. Remove the rear oil passage plug.
4. Remove the six oil passage plugs on the sides of the block.
5. Remove the two water passage plugs on the top of the block.
6. Remove the two front oil passage plugs.
7. Remove the knock sensor and bolt.
8. Remove the oil pressure switch.
9. Remove the crankshaft position sensor and bolt.