Nissan Qashqai J11. Manual — part 67
OIL SEAL
EM-207
< 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-19, "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-208
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
CYLINDER HEAD
CYLINDER HEAD
Exploded View
INFOID:0000000010715508
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
CYLINDER HEAD
EM-209
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
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Removal and Installation
INFOID:0000000010715509
REMOVAL
1.
Release fuel pressure. Refer to
2.
Drain engine coolant and engine oil. Refer to
3.
Remove the following components and related parts.
• Intake manifold: Refer to
.
• Exhaust manifold: Refer to
• High pressure fuel pump: Refer to
.
• Fuel tube and fuel injector assembly: Refer to
.
• Water outlet: Refer to
.
• Rocker cover: Refer to
• Front cover, timing chain: Refer to
.
Valve collet
Valve spring retainer
Valve spring
(with valve spring seat) (EXH)
Valve oil seal
Valve guide (EXH)
Valve seat (EXH)
Valve (EXH)
Valve (INT)
Valve seat (INT)
Cylinder head
Valve guide (INT)
Spark plug
Valve spring
(with valve spring seat) (INT)
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.
JPBIA1753GB
EM-210
< UNIT DISASSEMBLY AND ASSEMBLY >
[MR20DD]
CYLINDER HEAD
• Camshaft: Refer to
.
4.
Remove cylinder head.
• Loosen cylinder head bolts in the order from 10 to 1 as shown
in the figure.
• Using TORX socket (size: E18), loosen cylinder head bolts.
5.
Remove cylinder head gasket.
INSTALLATION
1.
Install cylinder head gasket.
2.
Install cylinder head, and tighten cylinder head bolts in the order
from 1 to 10 as shown in the figure with the following procedure.
CAUTION:
If cylinder head bolts are reused, check their outer diame-
ters before installation. Refer to
.
a.
Apply new engine oil to threads and seating surface of mounting
bolts.
b.
Tighten all cylinder head bolts.
c.
Turn all cylinder head bolts 100 degrees clockwise (angle tightening).
CAUTION:
Check and confirm the tightening angle by using an angle
wrench [SST: KV10112100]
or protractor. Never judge by
visual inspection without the tool.
d.
Completely loosen.
CAUTION:
In this step, loosen cylinder head bolts in reverse order that
indicated in the figure.
e.
Tighten all cylinder head bolts.
f.
Turn all cylinder head bolts 95 degrees clockwise (angle tightening).
g.
Turn all cylinder head bolts 95 degrees clockwise again (angle tightening).
3.
Install in the reverse order of removal, for the rest of parts.
Disassembly and Assembly
INFOID:0000000010715510
DISASSEMBLY
1.
Remove spark plug with spark plug wrench (commercial service tool).
2.
Remove valve lifter.
• Identify installation positions, and store them without mixing them up.
: Engine front
PBIC3206J
: Engine front
: 40.0 N·m (4.1 kg-m, 30 ft-lb)
: 0 N·m (0 kg-m, 0 ft-lb)
: 40.0 N·m (4.1 kg-m, 30 ft-lb)
PBIC3206J
PBIC3208J
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