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WHEEL HUB (4WD)
RAX-7
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REMOVAL
1. Remove tyre.
2. Remove wheel hub lock nut.
CAUTION:
Discard the old hub lock nut; replace with new one.
3. Remove brake caliper from axle housing and hang it up some-
where.
CAUTION:
Avoid depressing the brake pedal while the brake caliper is
removed.
4. Remove disc rotor and parking brake assembly from back plate
and axle housing.
5. Remove wheel sensor from axle housing.
6. Remove axle housing from strut.
7. Remove nut and bolt from axle housing side of radius rod.
8. Remove nuts and bolts from axle housing side of front and rear parallel link. Remove axle housing from
vehicle.
INSTALLATION
Refer to component parts drawing for tightening torque. For installation, follow removal procedure in
reverse order.
Disassembly and AssemblyEDS00067
DISASSEMBLY
1. Set axle housing on bench vise. As shown in the figure, use
attachment (SST) and sliding hammer (SST) to remove wheel
hub and bearing assembly from axle housing.
CAUTION:
When placing onto bench vise, be careful not to damage
strut mounting surface of steering knuckle. Use an alumi-
num plate or another suitable tool.
2. Use a bearing replacer (suitable tool), puller (suitable tool), and
drift (SST) to remove inner race of outer-wheel bearing from
wheel hub.
3. Remove back plate installation bolt and anchor block. Remove
back plate from axle housing. Refer to PB-4, "
Components"
4. Use a flat-bladed screwdriver or similar tool to remove snap ring.
SRA711A
FAC0104D
SDIA0154E
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RAX-8
WHEEL HUB (4WD)
5. Use a drift (SST) to remove wheel bearing from axle housing.
INSPECTION AFTER DISASSEMBLY
Wheel Hub
Inspect wheel hub for deformation, cracks, and other damage. If any irregular conditions are found,
replace wheel hub.
Axle Housing
Inspect axle housing for deformation, cracks, and other damage. If any irregular conditions are found,
replace axle housing.
Snap Ring
Check snap ring for deformation, cracks, and other damage. If any irregular conditions are found, replace
snap ring.
ASSEMBLY
1. Use a drift (SST) to press fit wheel bearing into axle housing.
CAUTION:
Discard the old wheel bearing; replace with a new one.
2. Use a flat-bladed screwdriver or similar tool to install the snap
ring.
3. Install back plate and anchor block onto axle housing. Refer to
PB-4, "
Components" .
4. Use a drift (SST) to install wheel hub onto axle housing.
5. After completing step 4, apply an additional load of 49,030 N
(5,000 kg, 11,025 lb). Rotate axle housing in forward and
reverse directions 10 times each to ensure a good fit.
6. Place a spring balance at the point where the strut is joined (upper side bolt hole) and measure rotating
torque when spring is pulled at a speed of 8 -12 rpm. Refer to the RAX-15, "
Wheel Bearing" item.
NOTE:
If a load of 49,030 N (5,000 kg, 11,025 lb) cannot be applied:
Install to drive shaft and tighten wheel hub lock nut to specified torque. Rotate in forward and reverse
direction 10 times each to ensure a good fit.
At a rotating speed of 8 - 12 rpm, place a spring balance on hub bolt and measure rotating torque.
SDIA0155E
SDIA1349E
SDIA0157E
Rotating torque : 1.96 N·m (0.20 kg-m, 17 in-lb) or less
Spring balance reading : 12.8 N (1.30 kg, 2.87 lb) or less
Page 2723 of 4179
WHEEL HUB (4WD)
RAX-9
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Rotating torque : 1.126 N·m (0.11 kg-m, 10 in-lb)
Spring balance reading : 19.70 N (2.01 kg, 4.43 lb)
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RAX-10
REAR DRIVE SHAFT
REAR DRIVE SHAFTPFP:39600
Removal and InstallationEDS000FL
REMOVAL
1. Remove axle housing. Refer to RAX-7, "REMOVAL" .
NOTE:
In order to remove the rear drive shaft assembly, the rear axle is removed. At this time it is recommended
that front and rear parallel links on axle side be loosened (not removed). This will facilitate wheel align-
ment inspection and adjustment which are carried out later.
2. As shown in the figure, use a wheel wrench or similar tool to
remove drive shaft from rear final drive.
INSPECTION AFTER REMOVAL
Move the joint in the up/down, left/right, and axial directions. Check for any rough movement or significant
looseness.
Check boot for cracks or other damage, and also for grease leakage.
INSTALLATION
1. In order to prevent damage to rear final drive side oil seal, first fit
a protector (SST) onto oil seal before inserting drive shaft. Slide
drive shaft into slide joint and tap with a hammer to install
securely.
CAUTION:
Be sure to check that circular clip is securely fastened.
2. Install rear axle. Refer to RAX-7, "
INSTALLATION" .
SDIA0604E
DSR0015D
DSR0010D
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REAR DRIVE SHAFT
RAX-11
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Disassembly and AssemblyEDS000FM
DISASSEMBLY
Final Drive Side
1. Remove boot bands.
2. Fix shaft to bench vise.
CAUTION:
When fixing shaft to bench vise, be sure to protect it with a copper or aluminum sheet.
3. Make alignment marks on shaft and spider assembly.
CAUTION:
Use paint or similar substance for alignment marks. Do not
scratch the surface.
4. Remove snap ring. Remove spider assembly from shaft.
5. Remove boot from shaft.
6. Remove old grease on slide joint assembly with paper towels.
7. Remove circular clip and dust shield from slide joint assembly.
Wheel Side
1. As shown in the figure, use a bearing replacer (suitable tool) and
puller (suitable tool) to remove sensor rotor from drive shaft.
2. Fix shaft to bench vise.
CAUTION:
When fixing shaft to bench vise, be sure to protect it with a
copper or aluminum sheet.
3. Remove boot bands. Remove boot from joint sub-assembly.
1. Sensor rotor 2. Joint sub assembly 3. Circular clip
4. Boot bands 5. Boot 6. Shaft
7. Boot 8. Boot bands 9. Spider assembly
10. Snap ring 11. Housing (Slide joint) 12. Circular clip
SDIA0605E
SDIA0594E
SDIA0595E
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RAX-12
REAR DRIVE SHAFT
4. Screw a drive shaft puller (suitable tool) 30 mm (1.18 in) or more
into threaded part of joint sub-assembly. Pull joint sub-assembly
out of shaft.
CAUTION:
If joint sub assembly cannot be removed after five or more
unsuccessful attempts, replace the entire drive shaft
assembly.
5. Remove boot from shaft.
6. Remove circular clip from shaft.
7. Remove old grease.
INSPECTION AFTER DISASSEMBLY
Shaft
Replace shaft if there is any runout, cracking, or other damage.
Joint Sub-Assembly
Check that there is no rough rotation or unusual axial looseness.
Check that there is no foreign material inside joint.
CAUTION:
If there are any irregular conditions of joint assembly components, replace the entire joint assem-
bly.
Slide Joint Side
Housing and spider assembly
If roller or roller surface of spider assembly has scratch or wear, replace housing and spider assembly.
NOTE:
Housing and spider assembly are components which are used as a set.
ASSEMBLY
Final Drive Side
1. Wind serrated part of drive shaft with tape. Install boot band and
boot to shaft. Be careful not to damage boot.
CAUTION:
Discard the old boot band and boot; replace with new ones.
2. Remove protective tape wound around serrated part of shaft.
3. Line up alignment marks which were made when spider assem-
bly was removed. Install spider assembly, with serration chamfer
facing drive shaft.
4. Secure spider assembly with snap ring.
CAUTION:
Discard the old snap ring; replace with a new one.
5. Apply grease (Nissan genuine grease or equivalent) to spider
assembly and sliding surface.
6. Install housing to spider assembly. Add remaining grease (Nis-
san genuine grease or equivalent) up to the amount listed
below.
SDIA0606E
SDIA0597E
Grease amount : 40 - 50 g (1.41 - 1.77 oz)
SDIA0598E
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REAR DRIVE SHAFT
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7. Install boot securely into grooves (indicated by * marks) shown
in the figure.
CAUTION:
If there is grease on boot mounting surfaces (indicated by *
marks) of joint, boot may come off. Remove all grease from
surfaces.
8. Check that boot installation length “L” is the length indicated
below. Insert a flat-bladed screwdriver or similar tool into smaller
side of boot. Remove air from boot to prevent boot deformation.
CAUTION:
Boot may break if boot installation length is less than
standard value.
Be careful that screwdriver tip does not contact inside
surface of boot.
9. Secure big and small ends of boot with new boot bands as
shown in figure.
CAUTION:
Rotate housing and check that boot installation position
does not change. If position changes, reinstall boot bands.
Wheel Side
1. Use a drift (SST) to press-fit sensor rotor into joint sub-assem-
bly.
CAUTION:
Discard the old sensor rotor; replace with a new one.
SDIA0599E
Boot installation length:
78.6 - 80.6 mm (3.094 - 3.173 in)
SDIA0600E
SFA395
SDIA0602E
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RAX-14
REAR DRIVE SHAFT
2. Wind serrated part of drive shaft with tape. Install boot band and
boot to shaft. Be careful not to damage boot.
CAUTION:
Discard the old boot band and boot; replace with new ones.
3. Remove protective tape wound around serrated part of shaft.
4. Attach circular clip to shaft. At this time, circular clip must fit
securely into the shaft groove. Attach nut to joint sub-assembly.
Use a wooden hammer to press-fit.
CAUTION:
Discard the old circular clip; replace with a new one.
5. Insert the amount of grease (Nissan genuine grease or equiva-
lent) listed below into housing from large end of boot.
6. Install boot securely into grooves (indicated by * marks) shown
in the figure.
CAUTION:
If there is grease on boot mounting surfaces (indicated by *
marks) of joint sub-assembly, boot may come off. Remove
all grease from surfaces.
7. Check that boot installation length “L” is the length indicated
below. Insert a flat-bladed screwdriver or similar tool into smaller
side of boot. Remove air from boot to prevent boot deformation.
CAUTION:
Boot may break if boot installation length is less than standard value.
Be careful that screwdriver tip does not contact inside surface of boot.
8. Secure big and small ends of boot with new boot bands as
shown in the figure.
CAUTION:
Rotate housing and check that boot installation position
does not change. If position changes, reinstall boot bands.
SDIA0597E
Grease amount : 35 - 45 g (1.23 - 1.59 oz)
RAC0049D
Boot installation length:
66.7 - 68.7 mm (2.626 - 2.705 in)SDIA0607E
SFA395