Nissan Primera P11. Instruction — part 398
INSTALLATION
NCEM0022S02
I
Install in reverse order of removal.
SEM420D
Wooden
block
Jack
ENGINE REMOVAL
QG
Removal and Installation (Cont’d)
EM-51
Components
1.
Oil level gauge guide
2.
Cylinder block
3.
Rear oil seal retainer
4.
Rear oil seal
5.
Rear plate
6.
Flywheel
7.
Drain plug
8.
Buffle plate
9.
Top ring
10. 2nd ring
11. Oil ring
12. Piston
13. Snap ring
14. Piston pin
15. Connecting rod
16. Connecting rod bearing
17. Connecting rod cap
18. Key
19. Main bearing
20. Thrust bearing
21. Crankshaft
22. Main bearing cap
23. Knock sensor
24. Crankshaft position sensor (POS)
25. Signal plate
NEM331
7.2 - 10.8 (0.73 - 1.10, 63.4 - 95.5)
20.6 - 26.5
(2.1 - 2.7, 15 - 20)
O-ring
83.4 - 93.2 (8.5 - 9.5, 61 - 69)
6.28 - 8.34
(0.64 - 0.85, 55.6 - 73.8)
34.3 - 44.1
(3.50 - 4.50, 25.3 - 32.5)
6.3 - 8.3 (0.64 - 0.85, 55.6 - 73.8)
7.64 - 9.22 (0.78 - 0.94, 67.7 - 81.6)
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
: Use Genuine Liquid Gasket or equivalent.
: Lubricate with new engine oil.
: Do not re-use.
46.1 - 52.0 (4.70 - 5.30, 34.0 - 38.3)
For installation of connecting rod cap, refer to “Assembly”.
CYLINDER BLOCK
QG
Components
EM-52
Removal and Installation
NCEM0024
CAUTION:
I
When installing sliding parts such as bearings and
pistons, apply engine oil on the sliding surfaces.
I
Place removed parts, such as bearings and bearing caps,
in their proper order and direction.
I
When installing connecting rod nuts and main bearing cap
bolts, apply new engine oil to threads and seating sur-
faces.
I
Do not allow any magnetic materials to contact the signal
plate teeth of flywheel or drive plate, and rear plate.
I
Remove the crankshaft position sensor (POS).
I
Be careful not to damage sensor edges and single plate
teeth.
Disassembly
NCEM0025
PISTON AND CRANKSHAFT
NCEM0025S01
1.
Place engine on a work stand.
2.
Drain coolant and oil.
3.
Remove timing chain.
Refer to EM-20.
4.
Remove pistons with connecting rod.
I
When disassembling piston and connecting rod, remove snap
ring first. Then heat piston to 60 to 70°C (140 to 158°F) or use
piston pin press stand at room temperature.
CAUTION:
I
When piston rings are not replaced, make sure that piston
rings are mounted in their original positions.
I
When replacing piston rings, if there is no punch mark,
install with either side up.
5.
Loosen main bearing caps in numerical order as shown in fig-
ure.
6.
Remove bearing caps, main bearings and crankshaft.
I
Before removing bearing caps, measure crankshaft end
play. Refer to EM-61.
I
Bolts should be loosened in two or three steps.
SEM927F
KV10106500
ST0501S000
KV10113300
SEM877B
Oil
Piston heater
SEM165DB
Front
CYLINDER BLOCK
QG
Removal and Installation
EM-53
7.
Remove signal plate from crankshaft.
Inspection
NCEM0026
PISTON AND PISTON PIN CLEARANCE
NCEM0026S01
1.
Measure inner diameter of piston pin hole “dp”.
Standard diameter “dp”:
QG16DE
18.987 - 18.999 mm (0.7474 - 0.7480 in)
QG18DE
18.993 - 19.005 mm (0.7478 - 0.7482 in)
2.
Measure outer diameter of piston pin “Dp”.
Standard diameter “Dp”:
18.989 - 19.001 mm (0.7476 - 0.7481 in)
3.
Calculate piston pin clearance.
QG16DE
Dp - dp: -0.004 - 0 (-0.0002 - 0 in)
QG18DE
Dp − dp: 0.002 - 0.006 (0.0001 - 0.0002 in)
If it exceeds the above value, replace piston assembly with pin.
PISTON RING SIDE CLEARANCE
NCEM0026S02
Side clearance:
Refer to SDS, EM-185
Max. limit of side clearance:
Refer to SDS, EM-185
If out of specification, replace piston and/or piston ring assembly.
PISTON RING END GAP
NCEM0026S03
End gap:
Refer to SDS, EM-185
Max. limit of ring gap:
Refer to SDS, EM-185
SEM928F
Crankshaft
Signal plate
AEM023
AEM024
Micrometer
SEM024AA
NG
OK
Feeler
gauge
Feeler gauge
Ring
AEM096
Piston
Press-fit
Ring
Feeler
gauge
Ring
CYLINDER BLOCK
QG
Disassembly (Cont’d)
EM-54
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