Nissan March K13. Instruction — part 284

EM-70

< REMOVAL AND INSTALLATION >

[HR12DE]

OIL SEAL

FRONT OIL SEAL : Removal and Installation

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REMOVAL

1.

Remove the following parts.
• Front fender protector (RH): Refer to

EXT-17, "FENDER PROTECTOR : Exploded View"

.

• Drive belt: Refer to

EM-19, "Removal and Installation"

.

• Crankshaft pulley: Refer to

EM-43, "Exploded View"

.

2.

Remove front oil seal with a suitable tool.

CAUTION:

Be careful not to 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 50 mm (1.97 in) and inner diameter 44

mm (1.73 in).

CAUTION:

• Be careful not to 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:0000000005988200

REMOVAL

1.

Remove transaxle assembly. Refer to

TM-19, "Removal and Installation"

(M/T models).

2.

Remove clutch cover and clutch disk (M/T models). Refer to

CL-17, "Removal and Installation"

.

3.

Remove flywheel (M/T models). Refer to

EM-85, "Exploded View"

.

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

OIL SEAL

EM-71

< REMOVAL AND INSTALLATION >

[HR12DE]

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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 suitable drift (A) outer diameter

113 mm (4.45 in) and inner diameter 90 mm (3.54 in).

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.

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

b

: 0 - 0.5 mm (0 - 0.020 in)

JPBIA3011ZZ

EM-72

< REMOVAL AND INSTALLATION >

[HR12DE]

CYLINDER HEAD

CYLINDER HEAD

Exploded View

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REMOVAL

DISASSEMBLY

1.

Cylinder head assembly

2.

Cylinder head bolt

3.

Washer

4.

Cylinder head gasket

A.

Tightening must be done following
the installation procedure.
Refer to

EM-73

Refer to

GI-4, "Components"

for symbols in the figure.

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CYLINDER HEAD

EM-73

< REMOVAL AND INSTALLATION >

[HR12DE]

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Removal and Installation

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REMOVAL

1.

Release fuel pressure. Refer to following;
• HR12DE (TYPE 1):

EC-113, "Work Procedure"

• HR12DE (TYPE 2):

EC-386, "Work Procedure"

2.

Drain engine coolant and engine oil. Refer to

CO-9, "Draining"

and

LU-8, "Draining"

.

CAUTION:

Perform this step when the engine is cold.

3.

Remove the following components and related parts.
• Front road wheel and tire (RH): Refer to

WT-4, "Removal and Installation"

.

• Front fender protector (RH): Refer to

EXT-17, "FENDER PROTECTOR : Exploded View"

.

• Drive belt: Refer to

EM-19, "Removal and Installation"

.

• Air duct: Refer to

EM-24, "Exploded View"

.

• Intake manifold: Refer to

EM-29, "WITH EGR CONTROL VALVE : Exploded View"

.

• Fuel tube and fuel injector: Refer to

EM-37, "Exploded View"

.

• Water outlet: Refer to

CO-23, "Exploded View"

.

• Exhaust manifold: Refer to

EX-5, "Exploded View"

.

• Rocker cover: Refer to

EM-41, "Exploded View"

.

• Front cover and timing chain: Refer to

EM-43, "Exploded View"

.

• Camshaft: Refer to

EM-53, "Exploded View"

.

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.

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.

Replacement must be following the
disassembly and assembly proce-
dure.
Refer to

EM-74

Refer to

GI-4, "Components"

for symbols in the figure.

A

: EXH side

B

: INT side

: Engine front

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