Nissan Teana J32. Manual - part 490

EM-84

< DISASSEMBLY AND ASSEMBLY >

CAMSHAFT

CAMSHAFT

Exploded View

INFOID:0000000003802283

Removal and Installation

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REMOVAL

1.

Remove front timing chain case, camshaft sprocket, timing chain and rear timing chain case. Refer to 

EM-

52, "Exploded View"

 and 

EM-79, "Exploded View"

.

1.

Camshaft bracket (No. 3, 4) 

2.

Camshaft bracket (No. 2)

3.

Seal washer

4.

Camshaft bracket (No. 1)

5.

Dowel pin

6.

Camshaft (EXH) (bank 1)

7.

Camshaft (INT) (bank 1) 

8.

Valve lifter

9.

Timing chain tensioner (secondary) 
(bank 1)

10. Spring

11.

Plunger

12.

Timing chain tensioner (secondary) 
(bank 2)

13. Cylinder head (bank 2)

14.

Dowel pin

15. Camshaft sensor bracket

16. Camshaft (EXH)

17.

Camshaft signal plate (INT)

18. Camshaft (INT)

19. Cylinder head (bank 1)

20.

Camshaft signal plate (INT)

21. Camshaft sensor bracket

A.

Refer to 

EM-84

Refer to 

GI-4, "Components"

 for symbols in the figure.

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CAMSHAFT

EM-85

< DISASSEMBLY AND ASSEMBLY >

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2.

Loosen camshaft sensor bracket bolts in reverse order as
shown in the figure.

NOTE:
The order of loosening bolts in the same for bank 1 and bank 2.

3.

Remove camshaft brackets.
• Mark camshafts, camshaft brackets and bolts so they are placed in the same position and direction for

installation.

• Equally loosen camshaft bracket bolts in several steps in

reverse order as shown in the figure.

4.

Remove camshafts.

5.

Remove valve lifters.
• Identify installation positions, and store them without mixing them up.

6.

Remove timing chain tensioners (secondary) (1) from cylinder
head.

• Remove timing chain tensioner (secondary) with its stopper

pin (C) attached.

NOTE:
Stopper pin should be attached when timing chain (secondary)
is removed.

INSTALLATION

: Engine front

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: Engine front

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A

:  Bank  1

B

:  Bank  2

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EM-86

< DISASSEMBLY AND ASSEMBLY >

CAMSHAFT

1.

Install timing chain tensioners (secondary) (1) on both sides of
cylinder head.

• Install timing chain tensioner (secondary) with its stopper pin

(C) attached. 

• Install timing chain tensioner (secondary) with sliding part fac-

ing downward on cylinder head (bank 1), and with sliding part
facing upward on cylinder head (bank 2).

2.

Install valve lifters.
• Install it in the original position.

3.

Install camshafts.

• Follow your identification marks made during removal, or fol-

low the identification marks that are present on new camshafts
for proper placement and direction.

VQ25DE

VQ35DE

• Install camshaft so that dowel pin (A) on front end face are

positioned as shown in the figure. (No. 1 cylinder TDC on its
compression stroke)
NOTE:
Though camshaft does not stop at the portion as shown in the
figure, for the placement of cam nose, it is generally accepted
camshaft is placed for the same direction of the figure.

4.

Install camshaft brackets.

A

:  Bank  1

B

:  Bank  2

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: Engine front

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Bank

INT/EXH

Dowel pin (1)

Paint marks

M1 (D)

M2 (E)

M3 (C)

1

EXH (B)

Yes

No

Purple

Light blue

INT (A)

Yes

Yellow

No

Light blue

2

INT (A)

Yes

Yellow

No

Light blue

EXH (B)

Yes

No

Purple

Light blue

Bank

INT/EXH

Dowel pin (1)

Paint marks

M1 (D)

M2 (E)

M3 (C)

1

EXH (B)

Yes

No

Light blue

Light blue

INT (A)

Yes

Pink

No

Light blue

2

INT (A)

Yes

Pink

No

Light blue

EXH (B)

Yes

No

Light blue

Light blue

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CAMSHAFT

EM-87

< DISASSEMBLY AND ASSEMBLY >

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• Remove foreign material completely from camshaft bracket backside and from cylinder head installation

face.

• Install camshaft bracket in original position and direction as

shown in the figure.

• Install camshaft brackets (No. 2 to 4) aligning the stamp marks

(A) as shown in the figure.

NOTE:
There are no identification marks indicating left and right for
camshaft bracket (No. 1).

• Apply liquid gasket to mating surface of camshaft bracket (No.

1) as shown on bank 1 and bank 2.

Use Genuine Liquid Gasket or equivalent.

A

: No. 1

B

: No. 2

C

: No. 3

D

: No. 4

E

:  Bank  1

F

: Exhaust side

G

: Intake side

H

:  Bank  2

I

: Intake side

J

: Exhaust side

: Engine front

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B

:  Bank  1

C

:  Bank  2

: Engine front

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a

: 8.5 mm (0.335 in)

b

: 2 mm (0.08 in)

c

: Clearance 5 mm (0.20 in)

d

: 

φ

2.0 - 2.3 mm (0.08 - 0.12 in)

*

: Apply liquid gasket to rear timing chain case side

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