2004 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2004  Factory Service Manual EM-46Revision: August 2007
CAMSHAFT
2004 QX56
8. Loosen camshaft sprocket bolts as shown and remove camshaft
sprockets. 
CAUTION:
To avoid interference between valves and pistons, do not
turn cranksha

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INFINITI QX56 2004  Factory Service Manual CAMSHAFT
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INSPECTION AFTER REMOVAL
Camshaft Runout
1. Put V block on precise flat work bench, and support No. 1 and
No. 5 journal of camsh

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INFINITI QX56 2004  Factory Service Manual EM-48Revision: August 2007
CAMSHAFT
2004 QX56
Camshaft End Play
Install dial gauge in thrust direction on front end of camshaft.
Measure end play when camshaft is moved forward/backward
(in direction

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INFINITI QX56 2004  Factory Service Manual CAMSHAFT
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Valve Lifter Clearance
 Valve Lifter Diameter 
Measure diameter of valve lifter using suitable tool.
Valve Lifter Hole Diameter

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INFINITI QX56 2004  Factory Service Manual EM-50Revision: August 2007
CAMSHAFT
2004 QX56
3. Install camshaft brackets.
Install by referring to installation location mark on upper sur-
face.
Install so that installation location mark can be c

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INFINITI QX56 2004  Factory Service Manual CAMSHAFT
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–Temporarily tighten front cover bolts (4 for each bank) as
shown.
4. Tighten camshaft bracket bolts as follows:
CAUTION:
Afte

Page 1935 of 3371

INFINITI QX56 2004  Factory Service Manual EM-52Revision: August 2007
CAMSHAFT
2004 QX56
Install intake and exhaust side camshaft sprocket by selec-
tively using the groove of dowel pin according to the bank.
(Common part used for both banks.

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INFINITI QX56 2004  Factory Service Manual CAMSHAFT
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4. Turn crankshaft pulley in normal direction (clockwise when
viewed from engine front) to align TDC identification notch (with-