Nissan Qashqai (2007-2010). Manual — part 36

EM-92

< DISASSEMBLY AND ASSEMBLY >

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OIL PAN (UPPER)

• Press-fit to the dimensions specified in the figure.

CAUTION:

• Never touch the grease applied to the oil seal lip.
• Be careful not to damage the rear oil seal mounting part

of oil pan (upper) and cylinder block or the crankshaft.

• Press-fit straight make sure that oil seal does not curl or

tilt.

d.

After press-fitting the rear oil seal, completely wipe off any liquid
gasket protruding to rear end surface side.

3.

Install crankshaft sprocket, oil pump sprocket, oil pump drive chain, and chain tensioner. Refer to

EM-46,

"Removal and Installation"

.

4.

Install timing chain and related parts. Refer to

EM-46, "Removal and Installation"

.

5.

Install front cover and related parts. Refer to

EM-46, "Removal and Installation"

.

6.

Install in the reverse order of removal, for the rest of parts.

CAUTION:

Pour engine oil at least 30 minutes after oil pan is installed.

Inspection

INFOID:0000000000893882

INSPECTION AFTER INSTALLATION

1.

Check the engine oil level and adjust engine oil. Refer to

LU-6, "Inspection"

.

2.

Start engine, and check there is no leak of engine oil.

3.

Stop engine and wait for 10 minutes.

4.

Check the engine oil level again. Refer to

LU-6, "Inspection"

.

1.

Rear oil seal

A.

Rear end surface of cylinder block

PBIC3761E

CYLINDER BLOCK

EM-93

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CYLINDER BLOCK

Exploded View

INFOID:0000000000893890

1.

Crankshaft position sensor (POS) cover

2.

Crankshaft position sensor (POS)

3.

O-ring

4.

Water drain plug

5.

Cylinder block

6.

Oil level gauge

7.

Oil level gauge guide

8.

O-ring

9.

Knock sensor

JPBIA0391GB

EM-94

< DISASSEMBLY AND ASSEMBLY >

[HR16DE]

CYLINDER BLOCK

Disassembly and Assembly

INFOID:0000000000894031

DISASSEMBLY

1.

Remove oil pan (upper). Refer to

EM-89, "Removal and Installation"

.

2.

Remove cylinder head. Refer to

EM-75, "Removal and Installation"

.

3.

Remove knock sensor.

CAUTION:

Carefully handle knock sensor avoiding shocks.

4.

Remove crankshaft position sensor (POS) and cover.

CAUTION:

• Avoid impacts such as a dropping.
• Never disassemble.
• Keep it away from metal particles.
• Never place the sensor where it is exposed to magnetism.

5.

Remove piston and connecting rod assembly with the following procedure:
• Before removing piston and connecting rod assembly, check the connecting rod side clearance. Refer to

EM-101, "Inspection"

.

a.

Position crankshaft pin corresponding to connecting rod to be removed onto the bottom dead center.

b.

Remove connecting rod cap.

c.

Using a hammer handle or similar tool, push piston and connect-
ing rod assembly out to the cylinder head side.

CAUTION:

• Be careful not to damage matching surface with connect-

ing rod cap.

• Be careful not to damage the cylinder wall and crankshaft

pin, resulting from an interference of the connecting rod
big end.

6.

Remove connecting rod bearings.

CAUTION:

Identify installation positions, and store them without mixing up.

7.

Remove piston rings form piston.
• Before removing piston rings, check the piston ring side clearance. Refer to

EM-101, "Inspection"

.

10. Oil pressure switch

11. Top ring

12. Second ring

13. Oil ring

14. Piston pin

15. Piston

16. Connecting rod

17. Connecting rod bearing (upper)

18. Main bearing (upper)

19. Thrust bearing

20. Crankshaft key

21. Connecting rod cap bolt

22. Connecting rod cap

23. Connecting rod bearing (lower)

24. Main bearing (lower)

25. Crankshaft

26. Signal plate

27. Rear oil seal

28. Flywheel

29. Main bearing cap bolt

30. Main bearing cap

A.

Refer to

EM-94

Refer to

GI-4, "Components"

for symbols in the figure.

KBIA3365J

CYLINDER BLOCK

EM-95

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• Use a piston ring expander (commercial service tool) (A).

CAUTION:

• When removing piston rings, be careful not to damage

the piston.

• Be careful not to damage piston rings by expanding

them excessively.

8.

Remove piston from connecting rod.
• Use a piston pin press stand (SST) and a press to remove the

piston pin.

CAUTION:

Be careful not to damage the piston and connecting rod.
NOTE:
The joint between the connecting rod and the piston pin is a
press fit.

9.

Remove the main bearing cap in the following procedure.
• Measure crankshaft end play before loosening main bearing cap bolts. Refer to

EM-101, "Inspection"

a.

Loosen and remove bolts in several steps in reverse of the
numerical order shown in the figure.

• TORX socket (size: E14) can be used.

b.

Remove the main bearing cap from the cylinder block while tapping lightly with a plastic hammer.

10. Remove crankshaft (2).

CAUTION:

• Be careful not damage or deform signal plate (1) mounted

on crankshaft.

• When setting crankshaft on a flat floor surface, use a

block of wood to avoid interference between signal plate
and the floor surface.

• Never remove signal plate unless it is necessary to do so.
NOTE:
When removing or installing signal plate, use TORX socket (size
T40).

11. Pull rear oil seal out from rear end of crankshaft.

12. Remove main bearing (upper and lower) and thrust bearings from cylinder block and main bearing cap.

CAUTION:

Identify installation positions, and store them without mixing up.

ASSEMBLY

PBIC3233J

A

: Drift [KV10109730]

B

: Center cap [KV10110310]

C

: Press stand [ST13030020]

PBIC5270J

: Engine front

PBIC3744E

PBIC3745E