2006 INFINITI M35 Factory Service Manual

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Page 3073 of 5621

INFINITI M35 2006 Factory Service Manual EM-10
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PREPARATION
Revision: 2006 January2006 M35/M45
Commercial Service ToolsNBS004MP
(Kent-Moore No.)
Tool nameDescription
(—)
Power toolLoosening nuts and bolts
(BT3373-F)
Belt tension ga

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INFINITI M35 2006 Factory Service Manual PREPARATION
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Revision: 2006 January2006 M35/M45
(—)
Valve seat cutter setFinishing valve seat dimensions
(—)
Piston ring expanderRemoving and installing pis

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INFINITI M35 2006 Factory Service Manual EM-12
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NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2006 January2006 M35/M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting — Engine Nois

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INFINITI M35 2006 Factory Service Manual NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
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Revision: 2006 January2006 M35/M45
Use the Chart Below to Help You Find the Cause of the Symptom.NBS004MR

Page 3077 of 5621

INFINITI M35 2006 Factory Service Manual EM-14
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ENGINE ROOM COVER
Revision: 2006 January2006 M35/M45
ENGINE ROOM COVERPFP:14049
ComponentsNBS004MS
Removal and InstallationNBS004MT
REMOVAL
CAUTION:
Do not damage or scratch cover when

Page 3078 of 5621

INFINITI M35 2006 Factory Service Manual DRIVE BELTS
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Revision: 2006 January2006 M35/M45
DRIVE BELTSPFP:02117
Checking Drive BeltsNBS004MU
WAR NING :
Be sure to perform when engine is stopped.
1. Inspe

DRIVE BELTS
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Revision: 2006 January2006 M35/M45
DRIVE BELTSPFP:02117
Checking Drive BeltsNBS004MU
WAR NING :
Be sure to perform when engine is stopped.
1. Inspect belts for cracks, fraying, wear and oil. If necessary, replace.
2. Inspect drive belt deflection or tension at a point on belt midway
between pulleys.
Inspection should be done only when engine is cold, or over
30 minutes after engine is stopped.
Measure the belt tension with belt tension gauge (Commercial
service tool: BT3373-F or equivalent) at points marked
shown in the figure.
When measuring the deflection, apply 98 N (10 kg, 22 lb) at
the marked point.
Adjust if the belt deflection exceeds the limit or if the belt ten-
sion is not within specifications.
CAUTION:
When checking the belt deflection or the tension immediately after installation, first adjust it to
the specified value. Then, after turning crankshaft two turns or more, re-adjust to the specified
value to avoid variation in deflection between pulleys.
Tighten idler pulley lock nut by hand and measure the deflection or the tension without loose-
ness.
Belt Deflection and Tension
*: If belt tension gauge cannot be installed at check points shown, check drive belt tension at different location on belt.
Tension AdjustmentNBS004MV
CAUTION:
When belt is replaced with a new one, adjust it to value for “New belt” to accommodate for insuffi-
cient adaptability with pulley grooves.
When deflection or tension of belt being used exceeds “Limit”, adjust it to value for “After adjust-
ment”.
When checking belt deflection or tension immediately after installation, first adjust it to the speci-
fied value. Then, after turning crankshaft two turns or more, re-adjust to the specified value to
avoid variation in deflection between pulleys.
When installing belt, make sure that it is correctly engaged with pulley grooves.
Keep engine oil, working fluid and engine coolant away from belt and pulley grooves.
Do not twist or bend belt excessively.
KBIA1731J
ItemsDeflection adjustment Unit: mm (in) Tension adjustment* Unit: N (kg, lb)
Used belt
New beltUsed belt
New belt
Limit After adjustment Limit After adjustment
Alternator and
power steering
oil pump belt7 (0.28)4 - 5
(0.16 - 0.20)3.5 - 4.5
(0.138 - 0.177)294 (30, 66)730 - 818
(74.5 - 83.5,
164 - 184)838 - 926
(85.5 - 94.5,
188 - 208)
A/C compressor
belt12 (0.47)9 - 10
(0.35 - 0.39)8 - 9
(0.31 - 0.35)196 (20, 44)348 - 436
(35.5 - 44.5,
78 - 98)470 - 559
(48 - 57,
106 - 126)
Applied pushing
force98 N (10 kg, 22 lb) —
PortionBelt tightening method for adjustment
Alternator and power steering oil pump belt Adjusting bolt on idler pulley
A/C compressor belt Adjusting bolt on idler pulley

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INFINITI M35 2006 Factory Service Manual EM-16
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DRIVE BELTS
Revision: 2006 January2006 M35/M45
ALTERNATOR AND POWER STEERING OIL PUMP BELT
1. Remove front engine undercover with power tool.
2. Loosen idler pulley lock nut (A) a

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INFINITI M35 2006 Factory Service Manual AIR CLEANER AND AIR DUCT
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Revision: 2006 January2006 M35/M45
AIR CLEANER AND AIR DUCTPFP:16500
ComponentsNBS004MX
Refer to GI-11, "Components" for symb

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