Nissan Qashqai (2007-2010). Manual — part 31
EM-72
< ON-VEHICLE REPAIR >
[HR16DE]
OIL SEAL
REMOVAL
1.
Remove the following parts:
• Front fender protector (RH): Refer to
• Drive belt: Refer to
EM-16, "Removal and Installation"
• Crankshaft pulley: Refer to
.
2.
Remove front oil seal using a suitable tool.
CAUTION:
Be careful not to damage front timing chain case and crankshaft.
INSTALLATION
1.
Apply new engine oil to both oil seal lip and dust seal lip of new front oil seal.
2.
Install front oil seal.
• Install front oil seal so that each seal lip is oriented as shown in
the figure.
• Using a suitable drift, press-fit until the height of front oil seal
(2) is level with the mounting surface.
- Suitable drift (A): outer diameter 50 mm (1.97 in), inner diame-
ter 44 mm (1.73 in).
• Make sure the garter spring is in position and seal lips not
inverted
CAUTION:
• Be careful not to damage front timing chain case and
crankshaft.
• Press-fit straight and avoid causing burrs or tilting oil seal.
3.
Install in the reverse order of removal, for the rest of parts.
REAR OIL SEAL
REAR OIL SEAL : Removal and Installation
INFOID:0000000000893867
REMOVAL
1.
Remove transaxle assembly. Refer to
2.
Remove clutch cover and clutch disk. Refer to
CL-16, "HR16DE, MR20DE : Exploded View"
.
3.
Remove flywheel. Refer to
.
4.
Remove rear oil seal with a suitable tool.
CAUTION:
Be careful not to 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.
A
: Dust seal lip
B
: Oil seal lip
: Engine outside
: Engine inside
PBIC3485J
1
: Front cover
: Engine outside
PBIC3729E
OIL SEAL
EM-73
< ON-VEHICLE REPAIR >
[HR16DE]
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2.
Install rear oil seal so that each seal lip is oriented as shown in
the figure.
• Press-fit rear oil seal with a drift outer diameter 113 mm (4.45
in) and inner diameter 90 mm (3.54 in) (commercial service
tool) (A).
CAUTION:
• Be careful not to 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 (1) to the position as shown in the figure.
3.
After press-fitting rear oil seal, completely wipe off any liquid gasket protruding to rear end surface side.
4.
Install in the reverse order of removal, for the rest of parts.
A
: Dust seal lip
B
: Oil seal lip
: Engine outside
: Engine inside
PBIC3485J
PBIC3660E
A
: Rear end surface of cylinder block
PBIC3761E
EM-74
< ON-VEHICLE REPAIR >
[HR16DE]
CYLINDER HEAD
CYLINDER HEAD
Exploded View
INFOID:0000000000943691
REMOVAL
DISASSEMBLY
1.
Cylinder head assembly
2.
Cylinder head bolt
3.
Washer
4.
Cylinder head gasket
A.
Refer to
Refer to
for symbols in the figure.
PBIC3731E
PBIC3734E
CYLINDER HEAD
EM-75
< ON-VEHICLE REPAIR >
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Removal and Installation
INFOID:0000000000894029
REMOVAL
1.
Release fuel pressure. Refer to
.
2.
Drain engine coolant and engine oil. Refer to
.
CAUTION:
• Perform this step when the engine is cold.
• Never spill engine coolant and engine oil on drive belt.
3.
Remove the following components and related parts.
• Front fender protector (RH): Refer to
• Alternator: Refer to
CHG-25, "HR16DE MODELS : Exploded View"
.
• Exhaust front tube: Refer to
.
• Exhaust manifold: Refer to
• Intake manifold: Refer to
• Fuel tube and fuel injector: Refer to
• Water outlet: Refer to
.
• Drive belt: Refer to
EM-16, "Removal and Installation"
• Front cover: Refer to
• Camshaft: Refer to
.
4.
Remove cylinder head loosening bolts in reverse order as
shown in the figure with cylinder head wrench (commercial ser-
vice tool).
5.
Remove cylinder head gasket.
INSTALLATION
1.
Install new cylinder head gasket.
2.
Tighten cylinder head bolts in numerical order as shown in the
figure with the following procedure to install cylinder head.
CAUTION:
If cylinder head bolts are re-used, check their outer diame-
ters before installation. Refer to “Cylinder Head Bolts Outer
Diameter”.
a.
Apply new engine oil to threads and seating surfaces of mount-
ing bolts.
b.
Tighten all bolts.
1.
Spark plug
2.
Valve collet
3.
Valve spring retainer
4.
Valve spring
5.
Valve spring seat
6.
Valve oil seal
7.
Valve guide (EXH)
8.
Valve guide (INT)
9.
Cylinder head
10. Valve seat (EXH)
11.
Valve (EXH)
12. Valve seat (INT)
13. Valve
(INT)
A.
Refer to
B.
Refer to
Refer to
A
: EXH side
B
: INT side
: Engine front
PBIC3732E
A
: EXH side
B
: INT side
: Engine front
PBIC3732E
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