Infiniti EX35. Manual - part 723

ENGINE UNIT

EM-91

< DISASSEMBLY AND ASSEMBLY >

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ENGINE UNIT

Disassembly

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1.

Remove intake manifold collector. Refer to 

EM-29, "Exploded View"

.

2.

Remove intake manifold. Refer to 

EM-32, "Exploded View"

.

3.

Remove exhaust manifold. Refer to 

EM-34, "Exploded View"

.

4.

Remove oil pan (lower). Refer to 

EM-43, "Exploded View (2WD)"

 (2WD models) or 

EM-44, "Exploded

View (AWD)"

 (AWD models).

5.

Remove ignition coil, spark plug and rocker cover. Refer to 

EM-47, "Exploded View"

.

6.

Remove fuel injector and fuel tube. Refer to 

EM-37, "Exploded View"

.

7.

Remove timing chain. Refer to 

EM-50, "Exploded View"

.

8.

Remove rear timing chain case. Refer to 

EM-92, "Exploded View"

.

9.

Remove camshaft. Refer to 

EM-67, "Exploded View"

.

10. Remove cylinder head. Refer to 

EM-104, "Exploded View"

.

Assembly

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Assembly in the reverse order of disassembly.

EM-92

< DISASSEMBLY AND ASSEMBLY >

REAR TIMING CHAIN CASE

REAR TIMING CHAIN CASE

Exploded View

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1.

Timing chain (secondary)

2.

Camshaft sprocket (EXH)

3.

O-ring

4.

Timing chain (secondary)

5.

Camshaft sprocket (EXH) 

6.

Internal chain guide

7.

Timing chain (primary)

8.

Camshaft sprocket (INT)

9.

Timing chain tensioner (primary)

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REAR TIMING CHAIN CASE

EM-93

< DISASSEMBLY AND ASSEMBLY >

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Disassembly

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1.

Remove front timing chain case and timing chain. Refer to 

EM-50, "Exploded View"

.

2.

Remove water pump. Refer to 

CO-18, "Exploded View"

.

3.

Remove oil pan (upper). Refer to 

EM-97, "2WD : Exploded View"

 (2WD models) or 

EM-100, "AWD :

Exploded View"

 (AWD models).

4.

Remove rear timing chain case as follows:

a.

Loosen and remove mounting bolts in reverse order as shown in
the figure.

b.

Cut liquid gasket using the seal cutter [SST: KV10111100
(J37228)] and remove rear timing chain case.

CAUTION:

• Never remove plate metal cover (1) of oil passage.
• After removal, handle rear timing chain case carefully so

it does not tilt, cant, or warp under a load.

10. Slack guide

11. Crankshaft sprocket

12.

Camshaft sprocket (INT)

13.

Valve timing control cover gasket 
(bank 1)

14. Seal ring

15.

Valve timing control cover (bank 1)

16. O-ring

17.

Exhaust valve timing control sole-
noid valve (bank 1)

18.

Oil level gauge

19. Oil level gauge guide

20. O-ring

21.

Intake valve timing control solenoid 
valve (bank 2)

22. Valve timing control cover (bank 2)

23.

Exhaust valve timing control sole-
noid valve (bank 2)

24.

Valve timing control cover gasket (bank 
2)

25. Front oil seal

26. Crankshaft pulley

27.

Crankshaft pulley bolt

28.

Intake valve timing control solenoid 
valve (bank 1)

29. Power steering oil pump bracket

30.

Idler pulley bracket

31. Alternator bracket

32. Water outlet (front)

33.

Front timing chain case

34. Rear timing chain case

35. O-ring

36.

O-ring

37. O-ring

A.

Refer to 

EM-94

B.

Refer to 

EM-51

C.

Oil filter

Refer to 

GI-4, "Components"

 for symbols in the figure.

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EM-94

< DISASSEMBLY AND ASSEMBLY >

REAR TIMING CHAIN CASE

5.

Remove O-rings (1) from cylinder block.

6.

Remove timing chain tensioners (secondary) from cylinder head as follows, if necessary.

a.

Remove camshaft brackets (No. 1). Refer to 

EM-67, "Exploded View"

.

b.

Remove timing chain tensioners (secondary) with a stopper pin
(A) attached.

Assembly

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1.

Install timing chain tensioners (secondary) to cylinder head as follows if removed. Refer to 

EM-67,

"Exploded View"

.

a.

Install timing chain tensioners (secondary) with a stopper pin attached and new O-rings.

b.

Install camshaft brackets (No. 1). Refer to 

EM-67, "Exploded View"

.

c.

Measure difference in levels between front end faces of cam-
shaft bracket (No. 1) and cylinder head.

• Measure two positions (both intake and exhaust side) for a

single bank.

• If the measured value is out of the standard, re-install cam-

shaft bracket (No. 1).

2.

Install rear timing chain case as follows:

a.

Install new O-rings (1) onto cylinder block.

: Engine front

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Standard

: 

−

0.14 to 0.14 mm (

−

0.0055 to 0.0055 in)

EMQ0044D

: Engine front

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