Nissan March K13. Manual - 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

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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)

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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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