2005 INFINITI QX4 Factory Service Manual

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INFINITI QX4 2005 Factory Service Manual FSU-2
PRECAUTIONS
Revision: October 20052005 QX56
PRECAUTIONSPFP:00001
PrecautionsEES001GD
When installing the rubber bushings, the final tightening must be done under unladen condition and with
the

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INFINITI QX4 2005 Factory Service Manual PREPARATION
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PREPARATIONPFP:00002
Special Service ToolsEES001GE
The actual shapes of Kent-Moore tools may differ from those of special s

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INFINITI QX4 2005 Factory Service Manual FSU-4
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: October 20052005 QX56
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartEES001GG
Use the cha

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INFINITI QX4 2005 Factory Service Manual FRONT SUSPENSION ASSEMBLY
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FRONT SUSPENSION ASSEMBLYPFP:54010
ComponentsEES001GH
1. Dust cover 2. Shock absorber 3. Upper link
4. Steeri

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INFINITI QX4 2005 Factory Service Manual FSU-6
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
ON-VEHICLE SERVICEPFP:00000
Front Suspension PartsEES001GI
Check front suspension parts for excessive play, cracks, wear and
other damage.
Sha

FSU-6
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
ON-VEHICLE SERVICEPFP:00000
Front Suspension PartsEES001GI
Check front suspension parts for excessive play, cracks, wear and
other damage.
Shake each front wheel to check for excessive play.
If looseness is noted, inspect wheel bearing end play, then
check ball joint end play. Refer to FAX-5, "
WHEEL BEARING
INSPECTION" and FSU-15, "Inspection" .
Make sure that the cotter pin is inserted (4x4 only).
Retighten all nuts and bolts to the specified torque.
Check shock absorber for oil leakage and other damage.
Check suspension ball joint for grease leakage and ball joint
dust cover for cracks and other damage.
Front Wheel AlignmentEES001GJ
PRELIMINARY INSPECTION
WAR NIN G:
Always adjust the alignment with the vehicle on a flat surface.
NOTE:
If alignment is out of specification, inspect and replace any damaged or worn suspension parts before making
any adjustments.
1. Check and adjust the wheel alignment with the vehicle under unladen conditions. “Unladen conditions”
means that the fuel, coolant, and lubricant are full; and that the spare tire, jack, hand tools and mats are in
their designated positions.
2. Check the tires for incorrect air pressure and excessive wear.
3. Check the wheels for run out and damage. Refer to WT-5, "
Inspection" .
4. Check the wheel bearing axial end play. Refer to FAX-5, "
WHEEL BEARING INSPECTION" .
5. Check the shock absorbers for leaks or damage.
6. Check each mounting point of the suspension components for any excessive looseness or damage.
7. Check each link, arm, and the rear suspension member for any damage.
8. Check the vehicle height. Refer to FSU-21, "
Wheelarch Height (Unladen*1 )" .
Verify the level using Consult-II memory register 1103 and set to 0 ± 10 mm (0 ± 0.39 in) as necessary.
GENERAL INFORMATION AND RECOMMENDATIONS
1. A Four-Wheel Thrust Alignment should be performed.
This type of alignment is recommended for any NISSAN vehicle.
The four-wheel “thrust” process helps ensure that the vehicle is properly aligned and the steering wheel
is centered.
The alignment machine itself should be capable of accepting any NISSAN vehicle.
The alignment machine should be checked to ensure that it is level.
2. Make sure the alignment machine is properly calibrated.
Your alignment machine should be regularly calibrated in order to give correct information.Suspension component torques : Refer to FSU-5,
"Components" .SM A52 5A
SFA392B

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INFINITI QX4 2005 Factory Service Manual ON-VEHICLE SERVICE
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Check with the manufacturer of your specific alignment machine for their recommended Service/Cali-
bration Schedule

ON-VEHICLE SERVICE
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Check with the manufacturer of your specific alignment machine for their recommended Service/Cali-
bration Schedule.
THE ALIGNMENT PROCESS
IMPORTANT: Use only the alignment specifications listed in this Service Manual. Refer to FSU-20, "Wheel
Alignment (Unladen*1 )*6" .
1. When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or
minus, Go/No Go). Do NOT use these indicators.
The alignment specifications programmed into your alignment machine that operate these indicators
may not be correct.
This may result in an ERROR.
2. Some newer alignment machines are equipped with an optional “Rolling Compensation” method to “com-
pensate” the sensors (alignment targets or head units). Do NOT use this “Rolling Compensation”
method.
Use the “Jacking Compensation” method. After installing the alignment targets or head units, raise the
vehicle and rotate the wheels 1/2 turn both ways.
See Instructions in the alignment machine you are using for more information.
CAMBER AND CASTER
1. Measure camber and caster of both the right and left wheels
with a suitable alignment gauge and adjust as necessary to
specification.
NOTE:
Some vehicles may be equipped with straight (non-adjustable)
lower link bolts and washers. In order to adjust camber and
caster on these vehicles, first replace the lower link bolts and
washers with adjustable (cam) bolts and washers.
2. If outside of the specified value, adjust camber and caster using
the cam bolts (1) in the front lower link (2).
CAUTION:
After adjusting the camber then check the toe-in.
NOTE:
Camber changes about 3' (0.05°) minutes with each graduation
of one cam bolt. Refer to table below for examples of lower link
cam bolt effect on camber and caster.
3. Tighten the adjusting bolt nuts to specification. Refer to FSU-5, "
Components" .
TOE-IN
WA RN ING:
Always perform the following procedure on a flat surface.
Make sure that no person is in front of the vehicle before pushing it.Camber and
Caster: Refer to FSU-20, "
Wheel Alignment
(Unladen*1 )*6" .
SRA0 96 A
WEIA0153E
Rear cam bolt 1 In 1 Out 1 In 1 Out 0 0 1 In 1 Out
Front cam bolt 1 Out 1 In 1 In 1 Out 1 In 1 Out 0 0
Camber
Degree minute
(Decimal degree)0' (0°)0' (0°)7' (0.12°) - 7' (-0.12°)3' (0.05°) - 3' (-0.05°)3' (0.05°) - 3' (-0.05°)
Caster
Degree minute
(Decimal degree)- 14' (-0.23°) 14' (0.23°)0' (0°)0' (0°)7' (0.12°) - 7' (-0.12°) - 7' (-0.12°)7' (0.12°)

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INFINITI QX4 2005 Factory Service Manual FSU-8
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
1. Bounce the front of vehicle up and down to stabilize the vehicle height (posture).
2. Push the vehicle straight ahead about 5 m (16 ft).
3.

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INFINITI QX4 2005 Factory Service Manual ON-VEHICLE SERVICE
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Revision: October 20052005 QX56
If found that they are worn or damaged, replace them with new ones.

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