Nissan X-Trail 32. Instruction — part 1048
OIL SEAL
EM-89
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
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OIL SEAL
VALVE OIL SEAL
VALVE OIL SEAL : Removal and Installation
INFOID:0000000010783722
REMOVAL
1.
Remove camshafts. Refer to
.
2.
Remove valve lifters. Refer to
3.
Rotate crankshaft, and set piston whose valve oil seal is to be removed to TDC. This will prevent valve
from dropping into cylinder.
CAUTION:
When rotating crankshaft, be careful to avoid scarring front cover with timing chain.
4.
Remove valve collet.
• Compress valve spring with the valve spring compressor [SST:
KV10116200] (A), the attachment [SST: KV10115900] (C), and
the adapter [SST: KV10109220] (B). Remove valve collet with
magnet hand.
CAUTION:
• Never damage valve lifter holes.
• Fit the attachment [SST: KV10115900] in the center of
valve spring retainer to press it.
5.
Remove valve spring retainer and valve spring (with valve spring seat).
CAUTION:
Never remove valve spring seat from valve spring.
6.
Remove valve oil seal with the valve oil seal puller [SST:
KV10107902] .
INSTALLATION
1.
Apply new engine oil to valve oil seal joint surface and seal lip.
JPBIA1365ZZ
: Valve spring retainer
: Attachment
JPBIA4477ZZ
PBIC3210J
EM-90
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
OIL SEAL
2.
Press in valve oil seal to the height (H) shown in the figure with
the valve oil seal drift [SST: KV10115600]
.
3.
Install in the reverse order of removal, for the rest of parts.
FRONT OIL SEAL
FRONT OIL SEAL : Removal and Installation
INFOID:0000000010783723
REMOVAL
1.
Remove the following parts.
• Front fender protector (RH): Refer to
EXT-35, "FENDER PROTECTOR : Exploded View"
.
• Drive belt: Refer to
• Crankshaft pulley: Refer to
.
2.
Remove front oil seal with a suitable tool.
CAUTION:
Never damage front cover and crankshaft.
INSTALLATION
1.
Apply new engine oil to new front oil seal joint surface and seal lip.
2.
Install front oil seal so that each seal lip is oriented as shown in
the figure.
• Press-fit front oil seal using a suitable drift with outer diameter 57 mm (2.24 in) and inner diameter 45
mm (1.77 in).
CAUTION:
• Never damage front cover and crankshaft.
• Press-fit oil seal straight to avoid causing burrs or tilting.
3.
Install in the reverse order of removal, for the rest of parts.
REAR OIL SEAL
REAR OIL SEAL : Removal and Installation
INFOID:0000000010783724
REMOVAL
Height (H)
: 15.1 - 15.7 mm (0.594 - 0.618 in)
PBIC3211J
: Dust seal lip
: Oil seal lip
: Engine outside
: Engine inside
PBIC3485J
Within 0.3 mm (0.012 in) toward engine front (crankshaft pulley side)
Within 0.5 mm (0.020 in) toward engine rear (crankshaft sprocket side)
OIL SEAL
EM-91
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
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1.
Remove transaxle assembly. Refer to
(6MT models).
2.
Remove clutch cover and clutch disk (6MT models). Refer to
CL-32, "MR20DD : Exploded View"
3.
Remove drive plate (CVT models) or flywheel (6MT models). Refer to
(CVT
models) or
(6MT models).
4.
Remove rear oil seal with a suitable tool.
CAUTION:
Never damage crankshaft and cylinder block.
INSTALLATION
1.
Apply the liquid gasket lightly to entire outside area of new rear oil seal.
Use Genuine Liquid Gasket or equivalent.
2.
Install rear oil seal so that each seal lip is oriented as shown in
the figure.
• Press-fit rear oil seal with a suitable drift (A) outer diameter
115 mm (4.53 in) and inner diameter 90 mm (3.54 in).
CAUTION:
• Never damage crankshaft and cylinder block.
• Press-fit oil seal straight to avoid causing burrs or tilt-
ing.
• Never touch grease applied onto oil seal lip.
• Press in rear oil seal
to the position as shown in the figure.
3.
Install in the reverse order of removal, for the rest of parts.
: Dust seal lip
: Oil seal lip
: Engine outside
: Engine inside
PBIC3485J
JPBIA4414ZZ
: Rear end surface of cylinder block
PBIC3952E
EM-92
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
CYLINDER HEAD
CYLINDER HEAD
Exploded View
INFOID:0000000010783725
REMOVAL
DISASSEMBLY
Cylinder head assembly
Cylinder head bolt
Cylinder head gasket
Comply with the installation procedure
when tightening. Refer to
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
: Should be lubricated with oil.
JPBIA4316ZZ
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