2007 INFINITI QX56 Factory Service Manual

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Page 1809 of 3061

INFINITI QX56 2007 Factory Service Manual
TIMING CHAINEM-39
< SERVICE INFORMATION >
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4. Obtain compression TDC of No. 1 cylinder as follows:
a. Turn the crankshaft pulley clockwise to align the TDC identifica-
t

Page 1810 of 3061

INFINITI QX56 2007 Factory Service Manual
EM-40
< SERVICE INFORMATION >
TIMING CHAIN
8. Remove the oil pump drive spacer.• Hold and remove the flat space of the oil pump drive spacer bypulling it forward.
9. Remove the oil pump. Refer to

Page 1811 of 3061

INFINITI QX56 2007 Factory Service Manual
TIMING CHAINEM-41
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Check for cracks and any excessive wear
at link plates. Replace
chain if necessary.
• In the same way as for the LH bank, i

Page 1812 of 3061

INFINITI QX56 2007 Factory Service Manual
EM-42
< SERVICE INFORMATION >
TIMING CHAIN
1. Make sure the crankshaft key and camshaft dowel pin RH bankand camshaft dowel pin LH bank are facing in the direction
shown.
2. Install the camshaft spro

EM-42
< SERVICE INFORMATION >
TIMING CHAIN
1. Make sure the crankshaft key and camshaft dowel pin RH bankand camshaft dowel pin LH bank are facing in the direction
shown.
2. Install the camshaft sprockets. • Install the camshaft sprocket INT (VTC) (A) and camshaftsprockets EXH (B) by selectively using the groove of the
dowel pin according to the bank . (Common part used for both
exhaust banks.)
NOTE:
Use the groove marked "R" for RH bank and "L" for LH bank.
• Lock the hexagonal part of the camshaft in the same way as for removal, and tighten the bolts.
3. Install the crankshaft sprockets for both banks. • Install LH bank crankshaft sprocket (B) and RH bank crank-shaft sprocket (C) so that their flange side (A) (the larger diam-
eter side without teeth) faces in the direction shown.
NOTE:
The same parts are used but facing directions are different.
4. Install the timing chains and associated parts. • Align the alignment mark on each sprocket and the timing chain for installation.
CAUTION:
• Before installing timing chain tens ioner, it is possible to change the position of alignment mark
on timing chain and each sprocket. After the al ignment marks are aligned, keep them aligned
by holding them by hand.
• Install the slack guides and tension guides onto the co rrect side by checking the identification mark on
the surface.
• Install the chain tensioner with the plunger locked in with the stopper pin.
CAUTION:
• Before and after the installation of the chain tensioner, make sure that the alignment mark on
the timing chain is not out of alignment.
• After installing the chain tensioner, remove the stopper pin to release the chain tensioner.
Make sure the chain tensioner is released.
• To avoid chain-link skipping of the timing chain, do not move crankshaft or camshafts until the
front cover is installed.
5. In the same way as for the RH bank, install the timing chain and associated parts on the LH bank.
6. Install the oil pump.
SBIA0356E
AWBIA0151ZZ
WBIA0701E

Page 1813 of 3061

INFINITI QX56 2007 Factory Service Manual
TIMING CHAINEM-43
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7. Install the oil pump drive spacer as follows:
• Install so that the front mark on the front edge of the oil pump
drive s

Page 1814 of 3061

INFINITI QX56 2007 Factory Service Manual
EM-44
< SERVICE INFORMATION >
TIMING CHAIN
b. Apply liquid gasket as shown.Use Genuine RTV Silicone Seal ant or equivalent. Refer to
GI-45, "
Recommended Chemical Product and Sealant".
c. Check agai

Page 1815 of 3061

INFINITI QX56 2007 Factory Service Manual
TIMING CHAINEM-45
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b. Select the one most visible notch of the four on the bolt flange.
Corresponding to the selected notch, put a alignment mark

Page 1816 of 3061

INFINITI QX56 2007 Factory Service Manual
EM-46
< SERVICE INFORMATION >
CAMSHAFT
CAMSHAFT
Removal and InstallationINFOID:0000000003531534
NOTE:
Do not remove the engine assembly to perform this procedure.
REMOVAL
1. Remove the RH bank and LH

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