2008 INFINITI FX35 Service Manual

ECU service reset fuel consumption trunk release coolant brake fluid

Page 2497 of 3924

INFINITI FX35 2008 Service Manual
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGEM-13
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3. Specify the operating condition of the engine.
4. Check specified noise s

Page 2498 of 3924

INFINITI FX35 2008 Service Manual
EM-14
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DRIVE BELTS
DRIVE BELTS
Checking Drive BeltsINFOID:0000000001429496
WARNING:
Be sure to perform when engine is stopped.
1. Inspect belts for cracks, fraying,
we

EM-14
< SERVICE INFORMATION >[VQ35DE]
DRIVE BELTS
DRIVE BELTS
Checking Drive BeltsINFOID:0000000001429496
WARNING:
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 over30 minutes after engine is stopped.
Measure the belt tension with belt tension gauge (Commercial service tool: BT3373-F or equivalent) (A) 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 exc eeds the limit or if the belt ten-
sion is not within specifications.
CAUTION:
• When checking the belt deflect ion or the tension immedi-
ately after installation, first ad just it to the specified value.
Then, after turning crankshaft two turns or more, re-adjust
to the specified value to avo id 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 AdjustmentINFOID:0000000001429497
CAUTION:
1 : Power steering oil pump
2: Alternator
3 : Idler pulley
4 : Crankshaft pulley
5: A/C compressor
JPBIA0421ZZ
JPBIA0422ZZ
Items Deflection 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 belt 12 (0.47)
7 - 8
(0.28 - 0.31) 6 - 7
(0.24 - 0.28) 294 (30, 66) 730 - 818
(74.5 - 83.4, 164 - 184) 838 - 926
(85.5 - 94.5, 188 - 208)
A/C compressor
belt 12 (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
(47.9 - 57.0, 106 - 126)
Applied pushing
force 98 N (10 kg, 22 lb) —
Portion
Belt 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
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 2499 of 3924

INFINITI FX35 2008 Service Manual
DRIVE BELTSEM-15
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When belt is replaced with a new one, adjust it
to value for “New belt” to accommodate for insuffi-
cient adap

DRIVE BELTSEM-15
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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 af ter installation, first adjust it to the specified
value. Then, after turning crankshaft two turns or mo re, re-adjust to the specified value to avoid vari-
ation in deflection between pulleys.
When installing belt, make sure that it is correctly engaged with pulley grooves.
Keep engine oil, working fl uid and engine coolant away from belt and pulley grooves.
Do not twist or bend belt excessively.
ALTERNATOR AND POWER STEERING OIL PUMP BELT
1. Remove front engine undercover with power tool.
2. Loosen idler pulley lock nut (A ) and adjust tension by turning
adjusting bolt (B).
For the specified belt tension, refer to EM-14, "
Checking Drive
Belts".
3. Tighten nut (A).
A/C COMPRESSOR BELT
1. Remove front engine undercover with power tool.
2. Loosen idler pulley lock nut (C) and adjust tension by turning adjusting bolt (D). For the specified belt tension, refer to EM-14, "
Checking Drive Belts".
3. Tighten nut (C).
Removal and InstallationINFOID:0000000001429498
REMOVAL
1. Remove front engine undercover with power tool.
2. Remove alternator and power steering oil pump belt. Refer to EM-14, "
Tension Adjustment".
3. Remove A/C compressor belt. Refer to EM-14, "
Tension Adjustment".
CAUTION:
Grease is applied to idler pulley adjusting bol t. Be careful to keep grease away from belt.
INSTALLATION
1. Install belts to pulley in reverse order of removal.
CAUTION:
Make sure drive belt is correctly engaged with pulley groove.
Make sure that for engine oil and engine cool ant do not adhere to belt and each pulley grooves.
1 : Alternator and power steering oil pump belt
2 : A/C compressor belt
3 : Power steering oil pump
4 : Idler pulley
5 : Alternator
6 : Crankshaft pulley
7: A/C compressor
: 34.8 N·m (3.5 kg-m, 26 ft-lb)
JPBIA0423ZZ
: 34.8 N·m (3.5 kg-m, 26 ft-lb)
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 2500 of 3924

INFINITI FX35 2008 Service Manual
EM-16
< SERVICE INFORMATION >[VQ35DE]
DRIVE BELTS
2. Adjust belt tension. Refer to
EM-14, "Tension Adjustment".
3. Tighten each adjusting bolt and nut to the specified torque.
4. Make sure that tens

Page 2501 of 3924

INFINITI FX35 2008 Service Manual
AIR CLEANER AND AIR DUCTEM-17
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AIR CLEANER AND AIR DUCT
ComponentINFOID:0000000001325707
Removal and InstallationINFOID:000000000132570

Page 2502 of 3924

INFINITI FX35 2008 Service Manual
EM-18
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AIR CLEANER AND AIR DUCT
INSTALLATION
Note the following, and install in the reverse order of removal.
Align marks. Attach each joint. Screw clamps firmly.
T

Page 2503 of 3924

INFINITI FX35 2008 Service Manual
INTAKE MANIFOLD COLLECTOREM-19
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INTAKE MANIFOLD COLLECTOR
ComponentINFOID:0000000001325710
Removal and InstallationINFOID:0000000001325

Page 2504 of 3924

INFINITI FX35 2008 Service Manual
EM-20
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INTAKE MANIFOLD COLLECTOR
1. Remove engine cover with power tool.
2. Disconnect water hoses from intake manifold collector (upper), attach blind plug to prevent

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