For 1990-2009 cars

1. Remove the right hand engine block coolant drain plug (1).
2. Remove the two oil gallery plugs (1 and 2) from the left hand side of the cylinder block.
3. Remove the coolant drain hole plug (3) from the left hand side of the engine block.
4. Remove the engine block rear oil gallery plug (1).
5. Inspect the O-ring seal of the rear oil gallery plug.

If the O-ring seal is not cut or damaged, the plug and O-ring seal may be used during assembly.

Important: Remove the front oil gallery plug only if service is required. If the front oil gallery plug is removed, a NEW oil gallery plug must be installed.

6. Remove the engine block front oil gallery plug (1).
7. Remove the knock sensor to cylinder block retaining bolts (1).
8. Remove the knock sensors (2).
9. Remove the locating sleeves (2) from the cylinder block (1).