Disassembling the cylinder block
1. Remove the power unit assembly (engine with gearbox) from the car.
2. Disconnect the gearbox from the engine (see chapter "Transmission").
3. Remove the accessory drive belt.
4. Install the flywheel locking device (Mot. 582-01) (1) on the cylinder block.

5. Remove the accessory drive pulley from the crankshaft.
6. Remove the clutch discs (see chapter "Clutch").
7. Remove the flywheel (see chapter "Clutch").
8. Remove the flywheel locking device (Mot. 582-01).
9. Remove the cylinder head (see the relevant section above).
10. Remove the pistons with connecting rods (see the relevant section above).
11. Remove the crankshaft (see the relevant section above).
12. Remove the water pump inlet pipe.
13. Unscrew the knock sensor (3).

14. Unscrew the oil level sensor or threaded plug (4).
Note:
- Tightening torque of the knock sensor (3): 20 Nm.
- Tightening torque of the oil level sensor or threaded plug (4): 30 Nm.
Cleaning the cylinder block
Attention:
- Do not scratch the connecting aluminum surfaces, any damage to the contact surfaces may result in leaks.
- Use safety glasses with side protection and sealed gloves (nitrile type).
- Avoid contact of cleaning agent with paint surfaces.
- Thoroughly clean the cylinder block to prevent foreign bodies from entering the oil lines. Failure to do so may result in clogged oil lines, which will cause engine damage.
1. Disassemble the cylinder block.
2. Clean the contact surfaces of the cylinder block with a cleaning agent.
3. Remove any remaining gasket with a wooden or plastic spatula.
4. Additionally, treat the contact surfaces with fine-grained sandpaper.
5. Wash the cylinder block using a special washer or washing station.


