Nissan Teana J32. Instruction — part 493

EM-96

< DISASSEMBLY AND ASSEMBLY >

CYLINDER HEAD

CYLINDER HEAD

Exploded View

INFOID:0000000003802289

REMOVAL

DISASSEMBLY

1.

Oil level gauge

2.

Cylinder head (bank 2)

3.

Cylinder head bolt

4.

Cylinder head (bank 1)

5.

Cylinder head gasket (bank 1)

6.

Cylinder head gasket (bank 2)

A.

Refer to

EM-97

Refer to

GI-4, "Components"

for symbols in the figure.

JPBIA1748ZZ

CYLINDER HEAD

EM-97

< DISASSEMBLY AND ASSEMBLY >

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Removal and Installation

INFOID:0000000003802290

REMOVAL

1.

Remove the following parts:
• Oil level gauge
• Intake manifold collector: Refer to

EM-28, "Exploded View"

.

• Rocker cover: Refer to

EM-49, "Exploded View"

.

• Fuel tube and fuel injector assembly: Refer to

EM-44, "Exploded View"

.

• Intake manifold: Refer to

EM-32, "Exploded View"

.

• Exhaust manifold: Refer to

EM-34, "Exploded View"

.

• Water inlet and thermostat assembly: Refer to

CO-23, "Exploded View"

.

• Water outlet, water connector, water bypass pipe and heater pipe: Refer to

CO-25, "Exploded View"

.

• Timing chain and rear timing chain case: Refer to

EM-52, "Exploded View"

and

EM-79, "Exploded

View"

.

• Camshaft: Refer to

EM-84, "Exploded View"

.

1.

Valve lifter

2.

Valve collet

3.

Valve spring retainer

4.

Valve spring

5.

Valve oil seal

6.

Valve spring seat

7.

Valve guide (EXH)

8.

Spark plug

9.

Spark plug tube

10. Cylinder head (bank 1)

11.

Valve seat (EXH)

12. Valve (EXH)

13. Valve (INT)

14. Valve seat (INT)

15. Valve guide (INT)

16. Cylinder head (bank 2)

: Apply high strength thread locking sealant or equivalent.

Refer to

GI-4, "Components"

for symbols not described on the above.

JPBIA1728GB

EM-98

< DISASSEMBLY AND ASSEMBLY >

CYLINDER HEAD

2.

Remove cylinder head bolts in reverse order as shown in the fig-
ure with cylinder head bolt wrench (commercial service tool) and
power tool to remove cylinder heads (bank 1 and bank 2).

3.

Remove cylinder head gaskets.

INSTALLATION

1.

Install new cylinder head gaskets.

2.

Turn crankshaft until No. 1 piston is set at TDC.

• Crankshaft key should line up with the bank 1 cylinder center

line as shown in the figure.

A

: Bank 1

B

: Bank 2

: Engine front

JPBIA0172ZZ

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: Crankshaft key

: Bank 1 side

JPBIA1752ZZ

CYLINDER HEAD

EM-99

< DISASSEMBLY AND ASSEMBLY >

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3.

Install cylinder head follow the steps below to tighten cylinder
head bolts in numerical order as shown in the figure with cylin-
der head bolts wrench (commercial service tool).

CAUTION:

• If cylinder head bolts reused, check their outer diameters

before installation. Refer to

EM-104, "Inspection"

.

• Before installing cylinder head, inspect cylinder head dis-

tortion. Refer to

EM-104, "Inspection"

.

a.

Apply new engine oil to threads and seat surfaces of cylinder
head bolts.

b.

Tighten all cylinder head bolts.

c.

Completely loosen all cylinder head bolts.

CAUTION:

In step “c”, loosen bolts in reverse order of that indicated in the figure.

d.

Tighten all cylinder head bolts.

e.

Turn all cylinder head bolts 103 degrees clockwise (angle tightening).

CAUTION:

Check the tightening angle by using the angle wrench [SST:
KV10112100 (BT8653-A)] (A). Avoid judgment by visual
inspection without.
• Check tightening angle indicated on the angle wrench indica-

tor plate.

f.

Turn all cylinder head bolts 103 degrees clockwise again (angle
tightening).

4.

After installing cylinder head, measure distance between front
end faces of cylinder block and cylinder head (bank 1 and bank
2).

• If measured value is out of the standard, reinstall cylinder

head.

5.

Install in the reverse order of removal after this step.

A

: Bank 1

B

: Bank 2

: Engine front

: 98.1 N·m (10 kg-m, 72 ft-lb)

: 0 N·m (0 kg-m, 0 ft-lb)

: 39.2 N·m (4.0 kg-m, 29 ft-lb)

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Standard

: 14.1 - 14.9 mm (0.555 - 0.587 in)

EMQ0662D