Nissan X-Trail 32. Instruction — part 1035
EXHAUST MANIFOLD
EM-37
< REMOVAL AND INSTALLATION >
[MR20DD]
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EXHAUST MANIFOLD
Exploded View
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Removal and Installation
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REMOVAL
1.
Remove intake manifold. Refer to
2.
Remove the air fuel ratio sensor 1.
• Using heated oxygen sensor wrench [SST: KV10117100], remove air fuel ratio sensor 1.
CAUTION:
Handle air fuel ratio sensor 1 carefully and avoid impacts.
3.
Remove exhaust manifold cover.
4.
Remove exhaust front tube. Refer to
Exhaust manifold cover
Air fuel ratio sensor 1
Exhaust manifold
Exhaust manifold stay
Gasket
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
JPBIA6814GB
EM-38
< REMOVAL AND INSTALLATION >
[MR20DD]
EXHAUST MANIFOLD
5.
Remove exhaust manifold stay
.
6.
Remove exhaust manifold.
• Loosen nuts in the order from 5 to 1 as shown in the figure.
NOTE:
Disregard No. 6 to 8 when loosening.
7.
Remove gasket.
CAUTION:
Cover engine openings to avoid entry of foreign materials.
8.
Remove stud bolts from cylinder head.
INSTALLATION
CAUTION:
Never reuse stud bolts, mounting nuts, and gasket. Always replace them with new ones.
1.
Install stud bolts to cylinder head.
2.
Install gasket to cylinder head as shown in the figure.
3.
Install exhaust manifold with the following procedure:
: Exhaust manifold
: Upper mark
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: Engine front
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Torx
: Size E8
Torx
: Size E8
: Identification
: Engine front
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EXHAUST MANIFOLD
EM-39
< REMOVAL AND INSTALLATION >
[MR20DD]
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a.
Tighten nuts in the order from 1 to 8 as shown in the figure.
NOTE:
No. 6 to 8 mean double of nuts No. 1 to 3.
b.
Retighten nuts in the order from 1 to 8 as shown in the figure.
4.
Install exhaust manifold stay
in the direction as shown in the
figure.
5.
Install remaining parts in the reverse order of removal.
• Air fuel ratio sensor 1
CAUTION:
Prevent rust preventives from adhering to the sensor body.
NOTE:
If a stud bolt on the exhaust front tube side comes off, install it with a torque socket (E7).
Inspection
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INSPECTION AFTER REMOVAL
Surface Distortion
• Using feeler gauge (A) and straightedge (B), check the surface dis-
tortion of exhaust manifold mating surface in each exhaust port
and entire part.
• If it exceeds the limit, replace exhaust manifold.
INSPECTION AFTER INSTALLATION
Check the joint of parts with the engine in running state. Check that there is no leakage of exhaust gas and
abnormal sound.
: Engine front
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: Exhaust manifold
: Upper mark
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Limit
: Refer to
.
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EM-40
< REMOVAL AND INSTALLATION >
[MR20DD]
OIL PAN (LOWER)
OIL PAN (LOWER)
Exploded View
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Removal and Installation
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REMOVAL
1.
Remove engine under cover.
2.
Drain engine oil. Refer to
.
3.
Remove oil pan (lower) with the following procedure:
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
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