Infiniti F50. Manual — part 715
WHEEL HUB
RAX-5
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WHEEL HUB
PFP:43202
On-Vehicle Inspection and Service
EDS000WN
Check that the mounting conditions (looseness, back lash) of each component and component status (wear,
damage) are normal.
WHEEL BEARING INSPECTION
●
Move wheel hub in the axial direction by hand. Check that there is no looseness of wheel bearings.
●
Rotate wheel hub and check that there is no unusual noise or other irregular conditions. If there are any
irregular conditions, replace wheel bearings.
Removal and Installation
EDS000WO
REMOVAL
1.
Remove tire with power tool.
2.
Remove cotter pin. Then remove lock nut from drive shaft.
3.
Remove brake caliper with power tool. Hang it in a place where it will not interfere with work. Refer to
CAUTION:
Avoid depressing brake pedal while brake caliper is removed.
4.
Remove disc rotor and remove parking cable and parking brake shoe from back plate. Refer to
5.
Remove fixing bolts and nuts in axle side of radius rod, front lower link.
6.
Remove fixing bolt and nut in axle side of rear lower link. Then remove coil spring. Refer to
"REAR LOWER LINK & COIL SPRING"
7.
Remove fixing bolt and nut in axle side of shock absorber.
8.
Using a puller (suitable tool), remove axle from drive shaft.
CAUTION:
●
When removing axle, do not apply an excessive angle to drive shaft joint. Also be careful not to
excessively extend slide joint.
Standard value
Axial end play
: 0.05 mm (0.002 in) or less
1.
Drive shaft
2.
Dust shield
3.
Bushing
4.
Axle
5.
Back plate
6.
Anchor block
7.
Wheel bearing
8.
Wheel hub
9.
Lock nut
10. Cotter pin
SDIA1164E
RAX-6
WHEEL HUB
●
Do not allow drive shaft to hang down without support for counter shaft, wheel joints, and other
parts.
9.
Remove suspension arm and cotter pin at axle, then loosen mounting nut.
10. Use a ball joint remover (suitable tool) to remove suspension arm from axle. Be careful not to damage ball
joint boot.
CAUTION:
To prevent damage to threads and to prevent ball joint remover (suitable tool) from coming off,
and temporarily tighten mounting nut.
INSPECTION AFTER REMOVAL
Ball Joint Inspection
●
Check for boot breakage, axial looseness, and torque of suspension arm ball joint. Refer to
INSTALLATION
●
Refer to
RAX-5, "Removal and Installation"
for tightening torque. Tighten in the reverse order of removal.
CAUTION:
Refer to component parts location and do not reuse non-reusable parts.
Disassembly and Assembly
EDS000WP
DISASSEMBLY
Wheel Bearing
CAUTION:
Do not disassemble if wheel bearing has no trouble.
1.
Remove wheel bearing fixing bolts and anchor block fixing nuts inside axle vehicle, and remove wheel
hub and bearing assembly, back plate and anchor block from axle.
2.
Using a drift (suitable tool), press wheel hub out to remove from
wheel bearing.
3.
Using a puller (suitable tool), drift (special service tool), and
bearing replacer (suitable tool), press wheel bearing outer side
inner race out to remove from wheel hub.
SDIA0288E
Tool number
: ST3306 1000 (J8107-2)
SDIA0289E
WHEEL HUB
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Bushing
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Using a suitable drift, remove each bushing from axle.
INSPECTION AFTER DISASSEMBLY
Wheel Hub
●
Inspect wheel hub for deformation, cracks, and other damage. If any irregular conditions are found,
replace wheel hub.
Axle
●
Inspect axle for deformation, cracks, and other damage. If any irregular conditions are found, replace
axle.
Back plate
●
Inspect back plate for deformation, cracks, and other damage. If any irregular conditions are found,
replace back plate.
ASSEMBLY
Bushing
●
Using a suitable drift to install each bushing onto axle.
Wheel Bearing
1.
Press fit a wheel hub into wheel bearing with a drift (suitable
tool).
CAUTION:
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Press fit a drift (suitable tool), while holding it against
wheel bearing inner side inner race.
●
Wheel bearing cannot be reused. Do not attempt to reuse
it.
NOTE:
Final press load guideline 49, 033 N (5, 000 kg, 11, 000 lb)
2.
Install back plate and wheel hub and bearing assembly.
3.
Install anchor block onto axle.
SDIA0290E
SDIA0291E
SDIA0292E
RAX-8
WHEEL HUB
INSPECTION AFTER ASSEMBLY
1.
With wheel bearing pressed into axle, apply 49, 033 N (5, 000 kg, 11, 000 lb) to wheel hub and rotate both
clockwise and counterclockwise 10 times to minimize resistance.
2.
Attach spring scale in the position shown in illustration and pull
at a rate of 10
±
2 rpm to measure rotating torque.
Standard value
Rotating torque:
Less than 1.49 N·m (0.15 kg-m, 13 in-lb)
Spring scale reading:
Less than 12.8 N (1.31 kg, 2.88 lb)
SDIA0293E
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