2006 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2006 Factory Service Manual EM-54Revision: November 2009
CAMSHAFT
2006 QX56
–Position No. 1 camshaft bracket close to the mounting posi-
tion, and then install it to prevent from touching liquid gasket
applied to each surface.

Page 1946 of 3383

INFINITI QX56 2006 Factory Service Manual CAMSHAFTEM-55
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Revision: November 2009 2006 QX56
5. Install the camshaft sprockets using the following procedure:
A: LH bank shown
a. Install the camshaft sprockets aligning

CAMSHAFTEM-55
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Revision: November 2009 2006 QX56
5. Install the camshaft sprockets using the following procedure:
A: LH bank shown
a. Install the camshaft sprockets aligning them with the matching marks painted (B) on the timing chain (C) when removed. Align
the camshaft sprocket key groove with the dowel pin on the
camshaft front edge at the same time. Then temporarily tighten
camshaft sprocket bolts.
Install the intake and exhaust side camshaft sprockets by
selectively using the groove of the dowel pin according to the
bank. (Common part used for both banks.)
A: Intake (I)
B: Exhaust (E)
R: for RH bank
L: for LH bank
b. Lock the hexagonal part of the camshaft in the same way as for removal, and tighten the camshaft sprocket bolts.
c. Check again that the timing alignment mark on the timing chain and on each sprocket are aligned.
6. Install the chain tensioner using the following procedure: NOTE:
LH is shown.
a. Install the chain tensioner.
Compress the plunger and hold it using a stopper pin when
installing.
Loosen the slack guide side timing chain by rotating the cam-
shaft hexagonal part if mounting space is small.
b. Remove the stopper pin and release the plunger, and then apply tension to the timing chain.
c. Install the RH bank timing chain tensioner cover onto the front cover.
Apply liquid gasket as shown.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-46, "
Recommended Chemical Products and Sealants"
.
7. Check and adjust valve clearances. Refer to EM-55, "
Va l v e
Clearance" .
8. Installation of the remaining components is in the reverse order of removal.
Va l v e C l e a r a n c eEBS00RF9
INSPECTION
NOTE:
Perform the following inspection after removal, installation or replacement of camshaft or valve-related parts,
or if there are unusual engine conditions due to changes in valve clearance over time (starting, idling, and/or
noise).
WBIA0712E
WBIA0700E
Chain tensioner bolts : 6.9 N·m (0.70 kg-m, 61 in-lb)
Tensioner cover bolts : 9.0 N·m (0.92 kg-m, 80 in-lb)KBIA2479E
KBIA2547E

Page 1947 of 3383

INFINITI QX56 2006 Factory Service Manual EM-56Revision: November 2009
CAMSHAFT
2006 QX56
1. Warm up the engine. Then stop the engine.
2. Remove the engine cover and. Refer to EM-12, "
Removal and Installation" .
3. Remove the battery cover.

Page 1948 of 3383

INFINITI QX56 2006 Factory Service Manual CAMSHAFTEM-57
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Revision: November 2009 2006 QX56
Measure valve clearance using suitable tool.Refer to EM-105,
"Valve Clearance" .
CAUTION:
If the inspection was carried out w

Page 1949 of 3383

INFINITI QX56 2006 Factory Service Manual EM-58Revision: November 2009
CAMSHAFT
2006 QX56
11. Turn the crankshaft pulley clockwise 90° from the position of No.
3 cylinder compression TDC (clockwise by 360 ° from the posi-
tion of No. 1 cyli

Page 1950 of 3383

INFINITI QX56 2006 Factory Service Manual CAMSHAFTEM-59
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Revision: November 2009 2006 QX56
5. Install the selected valve lifter.
6. Install the camshaft.
7. Manually turn the crankshaft pulley a few turns.
8. Make sur

Page 1951 of 3383

INFINITI QX56 2006 Factory Service Manual EM-60Revision: November 2009
OIL SEAL
2006 QX56
OIL SEALPFP:00100
Removal and Installation of Valve Oil SealEBS00RFA
REMOVAL
1. Remove the camshaft relating to the valve oil seal to be removed. Refer

Page 1952 of 3383

INFINITI QX56 2006 Factory Service Manual OIL SEALEM-61
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Revision: November 2009 2006 QX56
Removal and Installation of Front Oil SealEBS00RFB
REMOVAL
1. Remove the engine. Refer to EM-74, "Removal and Installation" .

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