Infiniti M45 (Y34). Manual — part 525
ROCKER COVER
EM-37
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EM
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"
.
●
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
.
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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