Infiniti EX35. Manual - part 717

CAMSHAFT

EM-67

< ON-VEHICLE REPAIR >

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CAMSHAFT

Exploded View

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Removal and Installation

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REMOVAL

1.

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

EM-50, "Exploded View"

.

2.

Remove fuel sub tube. Refer to 

EM-37, "Exploded View"

.

1.

Camshaft bracket (No. 3, 4) 

2.

Camshaft bracket (No. 2)

3.

Seal washer

4.

Camshaft bracket (No. 1) (bank 1)

5.

Dowel pin

6.

Camshaft (EXH) (bank 1)

7.

Camshaft signal plate (EXH)

8.

Camshaft sensor bracket (bank 1)

9.

Dowel pin

10. Camshaft signal plate (INT)

11.

Camshaft (INT) (bank 1) 

12. Valve lifter

13.

Timing chain tensioner (secondary) 
(bank 1)

14.

Cylinder head (bank 1)

15.

Timing chain tensioner (secondary) 
(bank 2)

16. Cylinder head (bank 2)

17.

Camshaft sensor bracket

18. Camshaft (EXH)

19. Camshaft signal plate (EXH)

20.

Camshaft signal plate (INT)

21. Camshaft (INT)

22. Camshaft bracket (No. 1) (bank 2)

A.

Refer to 

EM-67

Refer to 

GI-4, "Components"

 for symbols in the figure.

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EM-68

< ON-VEHICLE REPAIR >

CAMSHAFT

3.

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

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

4.

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.

5.

Remove camshaft.

6.

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

7.

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

• Remove timing chain tensioners (secondary) with its stopper

pin (C) attached.

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

INSTALLATION

1.

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

: Engine front

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: Engine front

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A

:  Bank  1

B

:  Bank  2

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CAMSHAFT

EM-69

< ON-VEHICLE REPAIR >

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• Install timing chain tensioners (1) with its stopper pin (C)

attached. 

2.

Install valve lifter.
• 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.

• 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.

Bank 1 side (A)

: Sliding part facing downward

Bank 2 side (B)

: Sliding part facing upward

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: Engine front

Bank

INT/EXH

Dowel pin 

(1)

Paint marks

Identification 

mark (C)

M1 (E)

M2 (F)

M3 (D)

1

EXH (B)

Yes

No

Green

Light 

blue

1F

INT (A)

Yes

Green

No

Light 

blue

1E

2

INT (A)

Yes

Green

No

Light 

blue

1G

EXH (B)

Yes

No

Green

Light 

blue

1H

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1

: Crankshaft key

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EM-70

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CAMSHAFT

4.

Install camshaft brackets.

• 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 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 bank 1 and bank 2
for camshaft bracket (No. 1).

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

1) as shown on both bank 1 and bank 2.

Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-15, "Recommended Chemical Products and Sealants"

.

A

:  No.  1

B

:  No.  2

C

:  No.  3

D

:  No.  4

E

: Camshaft brackets (bank 1)

F

: Exhaust side

G

: Intake side

H

: Camshaft brackets (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

2.5 mm (0.098 in) 

*

: Apply liquid gasket to rear timing chain side

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