2006 INFINITI M35 Factory Service Manual

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Page 3153 of 5621

INFINITI M35 2006 Factory Service Manual EM-90
[VQ35DE]
CAMSHAFT
Revision: 2006 January2006 M35/M45
4. Install camshaft brackets.
Remove foreign material completely from camshaft bracket
backside and from cylinder head installation fac

Page 3154 of 5621

INFINITI M35 2006 Factory Service Manual CAMSHAFT
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Revision: 2006 January2006 M35/M45
5. Tighten camshaft bracket bolts in the following steps, in numeri-
cal order as shown.
a. Tighten No. 7 to 10 in

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INFINITI M35 2006 Factory Service Manual EM-92
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CAMSHAFT
Revision: 2006 January2006 M35/M45
INSPECTION AFTER INSTALLATION
Inspection of Camshaft Sprocket (INT) Oil Groove
CAUTION:
Perform this inspection only when DTC P0011 or

EM-92
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CAMSHAFT
Revision: 2006 January2006 M35/M45
INSPECTION AFTER INSTALLATION
Inspection of Camshaft Sprocket (INT) Oil Groove
CAUTION:
Perform this inspection only when DTC P0011 or P0021 are detected in self-diagnostic results of
CONSULT-II and it is directed according to inspection procedure of EC section. Refer to EC-137,
"SELF-DIAG RESULTS MODE" .
Check when engine ins cold so as to prevent burns from any splashing engine oil.
1. Check the engine oil level. Refer to LU-7, "
ENGINE OIL" .
2. Perform the following procedure so as to prevent the engine from being unintentionally started while
checking.
a. Release fuel pressure. Refer to EC-98, "
FUEL PRESSURE RELEASE" .
b. Disconnect ignition coil and injector harness connectors.
3. Remove intake valve timing control solenoid valve. Refer to EM-84, "
CAMSHAFT" .
4. Crank the engine, and then make sure that engine oil comes out
from camshaft bracket (No. 1) oil hole. End crank after checking.
WA R N I N G :
Be careful not to touch rotating parts (drive belts, idler pul-
ley, and crankshaft pulley, etc.).
CAUTION:
Engine oil may squirt from intake valve timing control sole-
noid valve installation hole during cranking. Use a shop
cloth to prevent the engine components and the vehicle. Do
not allow engine oil to get on rubber components such as
drive belt or engine mount insulators. Immediately wipe off
any splashed engine oil.
Clean oil groove between oil strainer and intake valve timing control solenoid valve if engine oil does not
come out from camshaft bracket (No. 1) oil hole. Refer to LU-5, "
LUBRICATION SYSTEM" .
5. Remove components between intake valve timing control solenoid valve and camshaft sprocket (INT),
and then check each oil groove for clogging.
Clean oil groove if necessary. Refer to LU-5, "LUBRICATION SYSTEM" .
6. After inspection, install removed parts.
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak.
Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-12, "
RECOMMENDED FLUIDS AND LUBRICANTS" .
Use procedure below to check for fuel leakage.
–Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
–Start engine. With engine speed increased, check again for fuel leakage at connection points.
Run engine to check for unusual noise and vibration.
NOTE:
If hydraulic pressure inside timing chain tensioner drops after removal/installation, slack in the guide may
generate a pounding noise during and just after engine start. However, this is normal. Noise will stop after
hydraulic pressure rises.
Warm up engine thoroughly to make sure there is no leakage of fuel, or any oil/fluids including engine oil
and engine coolant.
Bleed air from lines and hoses of applicable lines, such as in cooling system.
After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
PBIC2869E

Page 3156 of 5621

INFINITI M35 2006 Factory Service Manual CAMSHAFT
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Revision: 2006 January2006 M35/M45
Summary of the inspection items:
* Transmission/transaxle/CVT fluid, power steering fluid, brake fluid, etc.
Va l v

Page 3157 of 5621

INFINITI M35 2006 Factory Service Manual EM-94
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CAMSHAFT
Revision: 2006 January2006 M35/M45
b. Use a feeler gauge, measure the clearance between valve lifter
and camshaft.
Valve clearance:
Unit: mm (in)
*: Approximately 80
C (176F)
B

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INFINITI M35 2006 Factory Service Manual CAMSHAFT
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Revision: 2006 January2006 M35/M45
Crankshaft pulley mounting bolt flange has a stamped line
every 60 degrees. They can be used as a

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INFINITI M35 2006 Factory Service Manual EM-96
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CAMSHAFT
Revision: 2006 January2006 M35/M45
Crankshaft pulley mounting bolt flange has a stamped line
every 60 degrees. They can be used as a guide to rotation
angle.

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INFINITI M35 2006 Factory Service Manual CAMSHAFT
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Revision: 2006 January2006 M35/M45
Thickness of new valve lifter can be identified by stamp marks
on the reverse side (inside the cylinder).
Stamp ma

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