Nissan X-Trail 32. Manual — part 1051
CYLINDER HEAD
EM-101
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
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INSPECTION AFTER INSTALLATION
Inspection for Leakage
The following are procedures for checking fluids leakage, lubricates leakage, and exhaust gases leakage.
• Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to
MA-23, "Fluids and Lubricants"
.
• Use procedure below to check for fuel leakage.
- Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leak-
age at connection points.
- Start engine. With engine speed increased, check again for fuel leakage at connection points.
• Run engine to check for unusual noise and vibration.
• Warm up engine thoroughly to check there is no leakage of fuel, exhaust gases, or any oil/fluids including
engine oil and engine coolant.
• Bleed air from lines and hoses of applicable lines, such as in cooling system.
• After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
Summary of the inspection items:
*: Power steering fluid, brake fluid, etc.
Items
Before starting engine
Engine running
After engine stopped
Engine coolant
Level
Leakage
Level
Engine oil
Level
Leakage
Level
Transmission /
transaxle fluid
AT & CVT Models
Leakage
Level / Leakage
Leakage
MT Models
Level / Leakage
Leakage
Level / Leakage
Other oils and fluids*
Level
Leakage
Level
Fuel
Leakage
Leakage
Leakage
Exhaust gases
—
Leakage
—
EM-102
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
OIL PAN (UPPER)
OIL PAN (UPPER)
Exploded View
INFOID:0000000010783729
Removal and Installation
INFOID:0000000010783730
REMOVAL
1.
Remove oil pan (lower). Refer to .
2.
Remove oil filter. Refer to
LU-12, "Removal and Installation"
3.
Remove water hoses of oil cooler.
4.
Remove oil level gauge and oil level gauge guide.
5.
Remove front cover, timing chain, balancer unit timing chain, and other related parts. Refer to
Rear oil seal
O-ring
Oil pan (upper)
Drain plug
Drain plug washer
Oil pan (lower)
O-ring
Oil level gauge guide
Oil level gauge
To oil cooler
Oil pan (lower) side
: Oil pan side
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
: Should be lubricated with oil.
: Sealing point
JPBIA6893GB
OIL PAN (UPPER)
EM-103
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[MR20DD]
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6.
Remove oil pan (upper) with the following procedure:
a.
Loosen bolts in the order from 10 to 1 as shown in the figure.
b.
Insert a screwdriver shown by the arrow (
) in the figure and
open up a crack between oil pan (upper) and cylinder block.
CAUTION:
A more adhesive liquid gasket is applied compared to previ-
ous types when shipped, so it should not be forced off the
position not specified.
c.
Insert seal cutter [SST: KV10111100] between oil pan (upper) and cylinder block, and slide it by tapping on
the side of the tool with a hammer.
CAUTION:
Be careful not to damage the mating surface.
7.
Remove O-ring between cylinder block and oil pan (upper).
8.
Remove rear oil seal. Refer to
EM-90, "REAR OIL SEAL : Removal and Installation"
9.
Remove oil tempareture sensor, if necessary.
10. Remove oil cooler, if necessary.Refer to
INSTALLATION
CAUTION:
Do not reuse O-rings.
1.
Install oil pan (upper) with the following procedure:
a.
Use a scraper
to remove old liquid gasket from mating sur-
faces.
• Remove the old liquid gasket from mating surface of cylinder
block.
• Remove old liquid gasket from the bolt holes and threads.
CAUTION:
Never scratch or damage the mating surfaces when clean-
ing off old liquid gasket.
: Engine front
JPBIA5158ZZ
: Engine front
JPBIA5159ZZ
PBIC3949E
EM-104
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
OIL PAN (UPPER)
b.
Apply a continuous bead of liquid gasket
with a tube presser
(commercial service tool) as shown in the figure.
Use Genuine Liquid Gasket (Three Bond 1217H) or equiva-
lent.
CAUTION:
• Apply liquid gasket to outside of bolt hole for the posi-
tions shown by marks.
• Attaching should be done within 5 minutes after liquid
gasket application.
c.
Install new O-ring at cylinder block side.
CAUTION:
Install avoiding misalignment of O-ring.
d.
Tighten bolts in the order from 1 to 10 as shown in the figure.
2.
Install rear oil seal with the following procedure.
CAUTION:
• The installation of rear oil seal should be completed within 5 minutes after installing oil pan
(upper).
• Always replace rear oil seal with new one.
• Never touch oil seal lip.
a.
Wipe off liquid gasket protruding to the rear oil seal mounting part of oil pan (upper) and cylinder block
using a scraper.
b.
Apply engine oil to entire outside area of rear oil seal.
c.
Press-fit the rear oil seal using a suitable drift
with outer diam-
eter 115 mm (4.53 in) and inner diameter 90 mm (3.54 in).
: Oil pan (upper)
: 2 mm (0.08 in) protruded to outside
: 2 mm (0.08 in) protruded to rear oil seal mounting side
: 6.5 mm (0.26 in)
:
φ
4.0 - 5.0 (0.157 - 0.197 in)
: Engine front
: Engine outside
JPBIA5160ZZ
: Engine front
JPBIA5158ZZ
PBIC3951E
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