Nissan X-Trail 32. Manual — part 1052
OIL PAN (UPPER)
EM-105
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• Press-fit to the specified dimensions as shown 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, checking that rear oil seal does not curl
or tilt.
NOTE:
The standard surface of the dimension is the rear end surface of cylinder block.
3.
Install in the reverse order of removal, for the rest of parts.
Inspection
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INSPECTION AFTER REMOVAL
Clean oil strainer portion (part of the oil pump) if any object attached.
: Rear oil seal
: Cylinder block rear end surface
: 0 - 0.5 mm (0 - 0.020 in)
JPBIA3011ZZ
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[MR20DD]
CYLINDER BLOCK
CYLINDER BLOCK
Exploded View
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Cylinder block
O-ring
Crankshaft position sensor (POS)
Crankshaft position sensor (POS) cover
Oil filter (for intake valve timing control)
Knock sensor
JPBIA6819GB
CYLINDER BLOCK
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Disassembly and Assembly
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DISASSEMBLY
1.
Remove oil pan (upper). Refer to
.
2.
Remove thermostat housing. Refer to
3.
Remove knock sensor.
CAUTION:
Handle it carefully and avoid impacts.
4.
Remove crankshaft position sensor (POS) cover and crankshaft position sensor (POS).
CAUTION:
• Handle crankshaft position sensor (POS) carefully and avoid impacts.
• Never disassemble.
• Never place crankshaft position sensor (POS) in a location where it is exposed to magnetism.
5.
Remove oil filter (for intake valve timing control).
6.
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
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.
7.
Remove connecting rod bearings.
CAUTION:
When removing them, note the installation position. Keep them in the correct.
Oil pressure switch
Oil tempareture sensor
Oil jet
Top ring
Second ring
Oil ring
Snap ring
Piston
Piston pin
Connecting rod
Thrust bearing
Connecting rod bearing (upper)
Main bearing (upper)
Crankshaft key
Main bearing (lower)
Connecting rod bearing (lower)
Connecting rod cap
Connecting rod cap bolt
Main bearing cap
Main bearing cap bolt
Crankshaft
Signal plate
Rear oil seal
Comply with the installation procedure
when tightening. Refer to
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
: Sealing point
: Should be lubricated with oil.
: Select with proper thickness.
PBIC0259E
EM-108
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
CYLINDER BLOCK
8.
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
the piston.
• Be careful not to damage piston rings by expanding
them excessively.
9.
Remove piston from connecting rod with the following procedure:
a.
Using 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.
c.
Push out piston pin with stick (A) of outer diameter approxi-
mately 18 mm (0.71 in).
10. Remove main bearing cap bolts.
• Measure crankshaft end play before loosening main bearing cap bolts. Refer to
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