Nissan Qashqai (2007-2010). Manual — part 67

EM-216

< DISASSEMBLY AND ASSEMBLY >

[MR20DE]

CYLINDER BLOCK

• Using an industrial use drier or similar tool, heat the piston until the piston pin can be pushed in by hand

without excess force [approximately 60 to 70

°

C (140 to 158

°

F)]. From the front to the rear, insert piston

pin into piston and connecting rod.

• Assemble so that the front mark (A) on the piston head and

the oil hole (B) and the cylinder number (D) on connecting rod
are positioned as shown in the figure.

c.

Install new snap ring to the groove of the piston front side.
• Insert it fully into groove to install.
• After installing, make sure that connecting rod moves

smoothly.

8.

Using a piston ring expander (commercial service tool), install piston rings.

CAUTION:

• Be careful not to damage piston.
• Be careful not to damage piston rings by expanding them excessively.
• Position each ring with the gap as shown in the figure referring

to the piston front mark.

CAUTION:

Never contact the rail end gap under the oil ring with the
oil drain cast groove of piston.

• Install second ring with the stamped surface facing upward.

9.

Install connecting rod bearing upper (2) and lower (3) to con-
necting rod (1) and connecting rod cap (4).

• Install the connecting rod in the dimension shown in the figure.
• Make sure that connecting rod bearing oil hole (A) is com-

pletely in the inside of connecting rod oil hole chamfered area
(B).

• When installing connecting rod bearings, apply new engine oil

to the bearing surface (inside). Do not apply new engine oil to
the back surface, but thoroughly clean it.
NOTE:
• There is no positioning tab.
• Install the connecting rod bearings in the center of connect-

ing rod and connecting rod cap as shown in the figure. For
service operation, the center position can be checked, visu-
ally.

10. Install piston and connecting rod assembly to crankshaft.

C

: Management code

E

: Big end diameter grade

F

: Small end diameter grade

G

: Front mark (connecting rod cap)

A

: Oil ring upper or lower rail gap

B

: Front mark

C

: Second ring and oil ring spacer gap

D

: Top ring gap

E

: Stamped mark

PBIC4002E

PBIC4000E

C

: Oil hole (connecting rod)

D

: Arrow view

: Engine front

PBIC4541E

CYLINDER BLOCK

EM-217

< DISASSEMBLY AND ASSEMBLY >

[MR20DE]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

• Position crankshaft pin corresponding to connecting rod to be installed onto the bottom dead center.
• Apply new engine oil sufficiently to the cylinder bore, piston and crankshaft pin.
• Match the cylinder position with the cylinder number (D) on

connecting rod to install.

• Install so that front mark (A) on the piston head faces the front

of engine.

• Using a piston ring compressor [SST: EM03470000] (A) or

suitable tool, install piston with the front mark on the piston
head facing the front of the engine.

CAUTION:

Be careful not to damage the cylinder wall and crankshaft
pin, resulting from an interference of the connecting rod
big end.

11. Install connecting rod cap.

• Match the stamped cylinder number marks (D) on connecting

rod with those on connecting rod cap to install.

12. Tighten connecting rod bolt with the following procedure:

CAUTION:

• Make sure that there is no gap in the thrust surface (A) of

the joint between connecting rod (1) and connecting rod
cap (2) and that these parts are in the correct position.
And then, tighten the connecting rod cap bolts.

• If the connecting rod bolts are reused, measure the outer

diameter. Refer to

EM-219, "Inspection"

.

a.

Apply new engine oil to the threads and seats of connecting rod
cap bolts.

b.

Tighten bolts.

c.

Completely loosen bolts.

d.

Tighten bolts.

B

: Oil hole

C

: Management code

E

: Big end diameter grade

F

: Small end diameter grade

G

: Front mark (connecting rod cap)

PBIC4002E

PBIC3244J

A

: Front mark (piston)

B

: Oil hole

C

: Management code

E

: Big end diameter grade

F

: Small end diameter grade

G

: Front mark (connecting rod cap)

PBIC4002E

: 27.4 N·m (2.8 kg-m, 20 ft-lb)

: 0 N·m (0 kg-m, 0 ft-lb)

PBIC3510J

EM-218

< DISASSEMBLY AND ASSEMBLY >

[MR20DE]

CYLINDER BLOCK

e.

Then turn all bolts 60 degrees clockwise (Angle tightening).

CAUTION:

Check and confirm the tightening angle by using an angle
wrench [SST: KV10112100] (A) or protractor. Never judge by
visual inspection without the tool.

• After tightening connecting rod cap bolt, make sure that crankshaft rotates smoothly.
• Check the connecting rod side clearance. Refer to

EM-219, "Inspection"

.

13. Install oil pan (upper). Refer to

EM-206, "Exploded View"

.

NOTE:
Install the rear oil seal after installing the oil pan (upper).

14. Install rear oil seal. Refer to

EM-206, "Exploded View"

.

15. Install drive plate (1) (CVT models) or flywheel (M/T models).

Drive plate

• Secure crankshaft with a stopper plate [SST: KV11105210]

(A), and tighten mounting bolts crosswise over several times.

• Install drive plate (1), reinforcement plate (2) and pilot con-

verter (3) as shown in figure.

• Using a drift of 33 mm (1.30 in) in diameter, press-fit pilot con-

verter into the end of crankshaft until it stops.

Flywheel

• Secure crankshaft with a stopper plate [SST: KV11105210], and tighten mounting bolts crosswise over

several times.

NOTE:
M/T models have no pilot bushing and reinforcement plate.

16. Install knock sensor.

: 19.6 N·m (2.0 kg-m, 14 ft-lb)

PBIC3245J

PBIC3226J

A

: Crankshaft rear end

B

: Rounded

C

: Chamfered

PBIC3259J

CYLINDER BLOCK

EM-219

< DISASSEMBLY AND ASSEMBLY >

[MR20DE]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

• Install knock sensor (1) with connector facing toward the rear

of engine.

CAUTION:

• Never tighten mounting bolts while holding the connector.
• If any impact by dropping is applied to knock sensor,

replace it with a new one.

NOTE:
• Make sure that there is no foreign material on the cylinder

block mating surface and the back surface of knock sensor.

• Make sure that knock sensor does not interfere with other parts.

17. Install crankshaft position sensor (POS) and crankshaft position sensor (POS) cover.

CAUTION:

• Handle it carefully and avoid impacts.
• Never disassemble.
• Never place sensor in a location where it is exposed to magnetism.

18. Install oil filter (for intake valve timing control) (1) in the direction

shown in the figure.
• Make sure that the oil filter does not protrude from the upper

surface of cylinder block (2) after installation.

19. Assemble in the reverse order of disassembly.

Inspection

INFOID:0000000000893973

CRANKSHAFT END PLAY

• Measure the clearance between thrust bearings and crankshaft

arm when crankshaft is moved fully forward or backward with a dial
indicator (A).

• If the measured value exceeds the limit, replace thrust bearings,

and measure again. If it still exceeds the limit, replace crankshaft
also.

CONNECTING ROD SIDE CLEARANCE

A

: Cylinder block left side

: Engine front

PBIC3246J

PBIC3260J

Standard and Limit

: Refer to

EM-241, "Cylinder

Block"

.

PBIC3252J