Infiniti QX4 (R50). Manual — part 93
SFA802B
2.
Remove hub cap with suitable tool.
SFA753B
3.
Remove snap ring with suitable tool.
4.
Remove drive flange.
SFA364BA
5.
Remove lock washer.
SFA754B
6.
Remove wheel bearing lock nut.
SFA832
7.
Remove wheel hub and wheel bearing.
Be careful not to drop outer bearing.
INSTALLATION
NBAX0009
1.
After installing wheel hub and wheel bearing, adjust wheel
bearing preload.
Refer to “Preload Adjustment”, “FRONT WHEEL BEARING”,
“On-vehicle Service”, AX-4.
GI
MA
EM
LC
EC
FE
AT
TF
PD
SU
BR
ST
RS
BT
HA
SC
EL
IDX
FRONT AXLE
Wheel Hub and Rotor Disc (Cont’d)
AX-7
SFA755B
2.
Pack drive flange groove with grease, apply grease to O-ring
(two places) and mating surface of drive flange, and install
flange.
3.
Install snap ring.
SFA759B
4.
Install hub cap using a suitable tool.
Do not reuse hub cap. When installing, replace it with a new
one.
FA858
DISASSEMBLY
NBAX0010
I
Remove grease seal and bearing outer races with suitable
brass bar.
INSPECTION
NBAX0011
Thoroughly clean wheel bearings and wheel hub.
Wheel Bearing
NBAX0011S01
I
Make sure wheel bearing rolls freely and is free from noise,
crack, pitting and wear.
Wheel Hub
NBAX0011S02
I
Check wheel hub for crack by using a magnetic exploration or
dyeing test.
SFA197-A
ASSEMBLY
NBAX0012
1.
Install bearing outer race with Tool until it seats in hub.
FRONT AXLE
Wheel Hub and Rotor Disc (Cont’d)
AX-8
SFA891-A
2.
Pack multi-purpose grease into wheel hub.
SFA459B
3.
Apply multi-purpose grease to each bearing cone.
4.
Pack grease seal lip with multi-purpose grease, then install it
into wheel hub with suitable drift.
Knuckle Spindle
REMOVAL
NBAX0013
1.
Remove drive shaft.
Refer to “Drive Shaft”, AX-11.
SFA756B
2.
Separate tie-rod end and lower ball joint from knuckle with
Tool.
Install stud nut conversely on stud bolt so as not to damage
stud bolt.
SFA758B
3.
Separate knuckle from strut.
GI
MA
EM
LC
EC
FE
AT
TF
PD
SU
BR
ST
RS
BT
HA
SC
EL
IDX
FRONT AXLE
Wheel Hub and Rotor Disc (Cont’d)
AX-9
INSPECTION
NBAX0014
Knuckle Spindle
NBAX0014S01
I
Check knuckle spindle for deformation, cracks and other dam-
age by using a magnetic exploration or dyeing test.
Needle Bearing
NBAX0014S02
I
Check needle bearing for wear, scratches, pitting, flaking and
burn marks.
SFA962-A
INSTALLATION
NBAX0015
1.
Install needle bearing into knuckle spindle.
Make sure that needle bearing is facing in proper direction.
Apply multi-purpose grease.
2.
Install knuckle with wheel hub.
3.
Install tie-rod end and lower ball joint.
SFA369BA
4.
After installing knuckle spindle, adjust wheel bearing preload.
Refer to “Preload Adjustment”, “FRONT WHEEL BEARING”,
“On-vehicle Service”, AX-4.
5.
After installing drive shaft, check drive shaft axial end play.
Do not reuse snap ring once it has been removed.
Refer to “Drive Shaft”, AX-10.
Drive Shaft
COMPONENTS
NBAX0016
SFA874-B
FRONT AXLE
Knuckle Spindle (Cont’d)
AX-10
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