Nissan Altima 2007-2012 Service Manual: Cylinder block

Disassembly and Assembly

1. Cylinder block

1. Cylinder block

2. O-ring

3. Crankshaft position sensor (POS)

4. Knock sensor

5. Cylinder block heater (if equipped)

6. Lower cylinder block

7. Lower cylinder block bolt

8. Snap ring

9. Connecting rod

10. Connecting rod bearing

11. Connecting rod bearing cap

12. Connecting rod bearing cap bolt

13. Piston

14. Oil ring

15. Second ring

16. Top ring

17. Piston pin

18. Main thrust bearing

19. Main bearing upper

20. Crankshaft

21. Main bearing lower

22. Crankshaft rear oil seal

23. Pilot converter (CVT)

24. Crankshaft signal plate

25. Drive plate (CVT)

26. Reinforcement plate (CVT)

27. Flywheel (M/T)

A. Follow assembly procedure

CAUTION: Apply new engine oil to parts marked in illustration before installation.


1. Remove the engine and transaxle as an assembly from the vehicle, and separate the transaxle from the engine. Refer to EM-72, "Removal and Installation".

2. Mount the engine on a suitable engine stand.

3. Drain any remaining engine oil and coolant from the engine.

4. Remove the following components and associated parts.

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