Nissan Quest E52. Instruction — part 589
CYLINDER BLOCK
EM-105
< UNIT DISASSEMBLY AND ASSEMBLY >
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Disassembly and Assembly
INFOID:0000000009652799
DISASSEMBLY
1.
Remove the following parts:
• Intake manifold collector: Refer to
.
• Intake manifold: Refer to
• Oil pans (lower and upper): Refer to
.
• Front and rear timing chain case: Refer to
.
.
2.
Remove knock sensor.
CAUTION:
Carefully handle sensor avoiding shocks.
3.
Remove rear oil seal retainer.
• Remove by inserting screwdriver between main bearing cap and rear oil seal retainer.
CAUTION:
If rear oil seal retainer is removed, replace it with new one.
NOTE:
Regard both rear oil seal and retainer as an assembly.
4.
Remove baffle plate from main bearing beam.
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
CAUTION:
Be careful not to drop connecting rod bearing, and to scratch the surface.
a.
Position crankshaft pin corresponding to connecting rod to be removed onto the bottom dead center.
b.
Remove connecting rod bearing cap.
10. Crankshaft key
11. Thrust bearing (lower)
12. Main bearing (lower)
13. Main bearing cap
14. Main bearing cap bolt
15. Main bearing beam
16. Baffle plate
17. Connecting rod bolt
18. Connecting rod bearing cap
19. Connecting rod bearing
20. Connecting rod
21. Snap ring
22. Piston pin
23. Piston
24. Oil ring
25. Second ring
26. Top ring
27. Pilot converter
28. Oil jet
29. Gasket (for Canada)
30. Cylinder block heater (for Canada)
A.
Crankshaft side
B.
Chamfered
C.
Comply with the installation proce-
dure when tightening. Refer to
D.
Front mark
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
: Should be lubricated with oil.
: Sealing point
: Select with proper thickness.
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< UNIT DISASSEMBLY AND ASSEMBLY >
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CYLINDER BLOCK
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 the cylinder wall and crankshaft
pin, resulting from an interference of the connecting rod big
end.
6.
Remove connecting rod bearings from connecting rod and connecting rod bearing cap.
CAUTION:
• Be careful not to drop connecting rod bearing, and to scratch the surface.
• Identify installation positions, and store them without mixing them up.
7.
Remove piston rings form piston.
• Before removing piston rings, check the piston ring side clearance. Refer to
.
• Use a piston ring expander (commercial service tool) (A).
CAUTION:
• When removing piston rings, be careful not to damage
piston.
• Be careful not to damage piston rings by expanding them
excessively.
8.
Remove piston from connecting rod as follows:
a.
Using a snap ring pliers (A), remove snap rings.
b.
Heat piston to 60 to 70
°
C (140 to 158
°
F) with an industrial use
drier (A) or equivalent.
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CYLINDER BLOCK
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c.
Push out piston pin with stick of outer diameter approximately 20
mm (0.79 in).
9.
Remove main bearing cap bolts.
NOTE:
• Before loosening main bearing cap bolts, measure the crankshaft end play. Refer to
• Loosen main bearing cap bolts in the reverse order shown in
the figure in several different steps.
10. Remove main bearing beam.
11. Remove main bearing caps.
CAUTION:
Be careful not to drop main bearing, and to scratch the sur-
face.
• Using main bearing cap bolts, remove main bearing cap while
shaking it back-and-forth.
12. Remove crankshaft.
13. Remove main bearings and thrust bearings from cylinder block and main bearing caps.
CAUTION:
• Be careful not to drop main bearing, and to scratch the surface.
• Identify installation positions, and store them without mixing them up.
14. Remove oil jet.
ASSEMBLY
PBIC0262E
: Engine front
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PBIC0881E
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CYLINDER BLOCK
CAUTION:
Do not reuse washers.
1.
Fully air-blow engine coolant and engine oil passages in cylinder block, cylinder bore and crankcase to
remove any foreign material.
CAUTION:
Use a goggles to protect your eye.
2.
Install each plug to cylinder block as shown in the figure.
CAUTION:
Do not reuse washers.
• Apply sealant to the thread of water drain plug (A).
Use Anaerobic Liquid Gasket or equivalent. Refer to
22, "Recommended Chemical Products and Sealants"
.
NOTE:
For Canada, water drain plug (A) in the figure is not water
drain plug but block heater. Refer to
.
• Apply sealant to the thread of connector bolt (D).
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-22, "Recommended Chemical Products and Sealants"
.
• Apply sealant to the thread of plug (C).
Use genuine high strength thread locking sealant or
equivalent. Refer to
• Replace washers with new one.
• Tighten each plug and connector bolt as specified below.
3.
Install oil jet.
• Insert oil jet dowel pin (A) into cylinder block dowel pin hole,
and tighten mounting bolts.
4.
Install main bearings and thrust bearings as follows:
CAUTION:
Be careful not to drop main bearing, and to scratch the surface.
a.
Remove dust, dirt, and engine oil on bearing mating surfaces of cylinder block and main bearing caps.
B
: Water drain plug
PBIC2487E
Part
Washer
Tightening torque
A
Yes
62.0 N·m (6.3 kg-m, 46 ft-lb)
B
No
9.8 N·m (1.0 kg-m, 87 in-lb)
C
Yes
62.0 N·m (6.3 kg-m, 46 ft-lb)
D
No
39.2 N·m (4.0 kg-m, 29 ft-lb)
: Engine front
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