Infiniti M45 (Y34). Manual - part 525

 

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Infiniti M45 (Y34). Manual - part 525

 

 

ROCKER COVER

EM-37

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3.

Loosen bolts in reverse order shown in the figure (with power
tool).

CAUTION:

Do not hold oil filler neck (right bank) not to damage it.

INSTALLATION

1.

Apply liquid gasket to joint part of cylinder head and camshaft
bracket as follows:

NOTE:
Illustration shows an example of left-bank side (zoomed in
shows No.1camshaft bracket). Apply only to No.1 camshaft
bracket for right-bank side.

a.

Refer to illustration “a” to apply liquid gasket to joint part of No.1
and No.6 camshaft bracket and cylinder head.

b.

Refer to illustration “b” to apply liquid gasket in 90 degrees to
illustration “a”.
Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-46, "RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS"

 .

2.

Install rocker cover.

Check if rocker cover gasket is not dropped from installation groove of rocker cover. 

3.

Tighten bolts in two steps separately in order numbers in illustra-
tion.

CAUTION:

Do not hold oil filler neck (right bank) not to damage it.

4.

Install in the reverse order of removal.

PBIC0027E

PBIC2444E

 1st step

: 2.0 N·m (0.2 kg-m, 18 in-lb)

 2nd step

: 8.4 N·m (0.85 kg-m, 74 in-lb)

PBIC0027E

EM-38

TIMING CHAIN

TIMING CHAIN

PFP:13028

Removal and Installation

ABS000LV

PBIC2340E

TIMING CHAIN

EM-39

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REMOVAL

1.

Remove engine assembly from vehicle. Refer to 

EM-76, "Removal and Installation"

 .

2.

Remove the following components and related parts:

Drive belt auto tensioner and idler pulley. Refer to 

EM-15, "Drive Belt Auto Tensioner and Idler Pulley"

 .

Thermostat housing and hoses. Refer to 

CO-24, "Removal and Installation"

 .

Ignition coil. Refer to 

EM-28, "Removal and Installation"

 .

Rocker cover. Refer to 

EM-36, "Removal and Installation"

 .

3.

If necessary, remove intake valve timing control position sensor
(right and left) and camshaft position sensor (PHASE) from
intake valve timing control cover and front cover.

CAUTION:

Handle components and parts carefully to avoid dropping
and shocks.

Do not disassemble.

4.

If necessary, remove intake valve timing control solenoid valve from intake valve timing control cover.

CAUTION:

Handle components and parts carefully to avoid dropping and shocks.

Do not disassemble.

5.

Remove intake valve timing control cover as follows: 

a.

Loosen and remove fixing bolts in reverse order of that shown in
figure. 

b.

Use the seal cutter [SST: KV10111100 (J37228)] or the equiva-
lent to cut liquid gasket for removal.

CAUTION:

Be careful not to damage mating surfaces.

Pull out cover keeping levelness without an angle, as
inner part of cover is engaged with the center of camshaft
sprocket (INT).

1.

Camshaft sprocket (left bank EXH)

2.

Camshaft sprocket (left bank INT)

3.

Camshaft sprocket (right bank INT)

4.

Camshaft sprocket (right bank EXH) 5.

Front cover

6.

Intake valve timing control solenoid 
valve (right bank)

7.

O-ring

8.

Seal ring

9.

Intake valve timing control position 
sensor (right bank)

10.

O-ring

11.

Intake valve timing control cover 
(right bank)

12.

Intake valve timing control position 
sensor (left bank)

13.

O-ring

14.

Intake valve timing control cover 
(left bank)

15.

Seal ring

16.

Intake valve timing control solenoid 
valve (left bank)

17.

O-ring

18.

Oil level gauge

19.

Oil level gauge guide

20.

O-ring

21.

Crankshaft pulley bolt

22.

Crankshaft pulley

23.

Front oil seal

24.

Chain tensioner cover

25.

Camshaft position sensor (PHASE)

26.

O-ring

27.

Oil pump drive spacer

28.

Oil pump assembly

29.

Crankshaft sprocket

30.

O-ring

31.

O-ring

32.

Chain tension guide  (right bank)

33.

Chain slack guide (right bank)

34.

Timing chain (right bank)

35.

Timing chain (left bank)

36.

Chain tensioner (left bank)

37.

Chain tensioner (right bank)

38.

Chain slack guide (left bank)

39.

Chain tension guide (left bank)

40.

O-ring

PBIC0050E

PBIC0051E

EM-40

TIMING CHAIN

6.

Remove O-rings from front cover. 

7.

Obtain compression TDC of No. 1 cylinder as follows:

a.

Turn crankshaft pulley clockwise to align the TDC identification
notch (without paint mark) with timing indicator on front cover. 

b.

At this time, make sure the both intake and exhaust cam noses
of No. 1 cylinder (top front on left bank) face outside.

If they do not face outside, turn crankshaft pulley by 360
degrees once more.

8.

Remove crankshaft pulley as follows:

a.

Remove rear plate cover. Refer to 

EM-25, "OIL PAN AND OIL

STRAINER"

 .

b.

Set the ring gear stopper (SST).

c.

Loosen crankshaft pulley bolt.

d.

Pull crankshaft pulley with both hands to remove it.

CAUTION:

Do not remove fixing bolts. Keep loosened fixing bolts in
place to protect removed crankshaft pulley from drop-
ping.

Do not remove balance weight (inner hexagon bolt) at the
front of crankshaft pulley.

9.

Remove oil pan and oil strainer. Refer to 

EM-25, "OIL PAN AND OIL STRAINER"

 .

10. Remove front cover as follows:

SBIA0374E

PBIC2341E

KBIA0400J

PBIC1656E

 

 

 

 

 

 

 

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