Infiniti QX56 (Z62). Manual — part 730
FAX-22
< REMOVAL AND INSTALLATION >
[4WD]
FRONT DRIVE SHAFT
FRONT DRIVE SHAFT
Exploded View
INFOID:0000000006225402
Removal and Installation
INFOID:0000000006225403
REMOVAL
1.
Remove tires.
2.
Remove brake hose bracket. Refer to
BR-23, "FRONT : Removal and Installation"
3.
Remove caliper assembly mounting bolts. Hang caliper assembly in a place where it will not interfere with
work. Refer to
BR-37, "BRAKE CALIPER ASSEMBLY : Removal and Installation"
CAUTION:
Never depress brake pedal while brake caliper is removed.
4.
Remove disc rotor. Refer to
FAX-18, "Removal and Installation"
.
5.
Remove wheel sensor harness. Refer to
BRC-134, "FRONT WHEEL SENSOR : Removal and Installa-
CAUTION:
Never pull on wheel sensor harness.
6.
Remove height sensor from upper link (right side). Refer to
EXL-136, "Removal and Installation"
.
7.
Remove steering outer socket. Refer to
ST-42, "Removal and Installation"
8.
Set suitable jack under lower link.
9.
Remove shock absorber mounting bolt from lower link. Refer to
FSU-10, "Removal and Installation"
10. Separate upper link from steering knuckle, using the ball joint remover (commercial service tool), and
remove upper link.
CAUTION:
• Temporarily tighten the nut to prevent damage to threads and to prevent the ball joint remover
from suddenly coming off.
1.
Circular clip
2.
Dust shield
3.
Housing
4.
Snap ring
5.
Ball cage/steel ball/inner race assem-
bly
6.
Stopper ring
7.
Boot band
8.
Boot
9.
Shaft
10. Circular clip
11.
Joint sub-assembly
: Wheel side
: NISSAN genuine grease or an equivalent.
for symbols not described on the above.
JPDIF0279ZZ
FRONT DRIVE SHAFT
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< REMOVAL AND INSTALLATION >
[4WD]
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• Never damage ball joint boot.
11. Remove cotter pin, and then loosen wheel hub lock nut.
12. Patch wheel hub lock nut with a piece of wood. Hammer the wood to disengage wheel hub and bearing
assembly from drive shaft.
CAUTION:
• Never place drive shaft joint at an extreme angle. Also be careful not to overextend slide joint.
• Never allow drive shaft to hang down without support for or joint sub-assembly, shaft and the
other parts.
NOTE:
Use suitable puller, if wheel hub and bearing assembly and drive shaft cannot be separated even after
performing the above procedure.
13. Remove wheel hub lock nut.
14. Remove fender protector. Refer to
EXT-23, "FENDER PROTECTOR : Removal and Installation"
15. Remove drive shaft from front final drive using the drive shaft
attachment [SST: KV40107500 (
−
)] (A) and a sliding ham-
mer (commercial service tool) (B) while inserting tip of the drive
shaft attachment between housing and front final drive.
CAUTION:
• Never place drive shaft joint at an extreme angle when
removing drive shaft. Also be careful not to overextend
slide joint.
• Confirm that the circular clip is attached to the drive shaft.
16. Perform inspection after removal. Refer to
.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Always replace final drive side oil seal with new one when installing drive shaft. Refer to
• Place the protector [SST: KV38106300 (
−
)] (A) onto final drive
to prevent damage to the oil seal while inserting drive shaft. Slide
drive shaft sliding joint and tap with a hammer to install securely.
CAUTION:
Check that circular clip is completely engaged.
• Use the following torque range for tightening the wheel hub lock
nut.
CAUTION:
• Since the drive shaft is assembled by press-fitting, use the
tightening torque range for the wheel hub lock nut.
• Be sure to use torque wrench to tighten the wheel hub lock nut. Never use a power tool.
• Perform the final tightening of each of parts under unladen conditions, which were removed when removing
wheel hub and bearing assembly and steering knuckle.
• Never reuse cotter pin.
• Perform inspection after installation. Refer to
.
WHEEL SIDE
WHEEL SIDE : Disassembly and Assembly
INFOID:0000000006225404
DISASSEMBLY
1.
Fix shaft with a vise.
CAUTION:
Protect shaft when fixing with a vise using aluminum or copper plates.
2.
Remove dust shield from joint sub-assembly.
3.
Remove boot bands and then remove boot from joint sub-assembly.
JPDIF0004ZZ
: 118 – 123 N·m (12.1 – 12.5 kg-m, 87 – 90 ft-lb)
JPDIF0023ZZ
FAX-24
< REMOVAL AND INSTALLATION >
[4WD]
FRONT DRIVE SHAFT
4.
Screw the drive shaft puller (commercial service tool) (A) 30 mm
(1.18 in) or more into the thread of joint sub-assembly, and pull
joint sub-assembly from shaft.
CAUTION:
• If joint sub-assembly cannot be removed after five or
more unsuccessful attempts, replace shaft and joint sub
assembly as a set.
• Align drive shaft puller and drive shaft and remove them
by pulling directory.
5.
Remove circular clip from shaft.
6.
Remove boot from shaft.
7.
Perform inspection after disassembly. Refer to
ASSEMBLY
1.
While rotating ball cage, clean old grease on joint sub-assembly with paper waste.
2.
Fill serration slot joint sub-assembly (1) with NISSAN genuine
grease or equivalent until the serration slot and ball groove
become full to the brim.
CAUTION:
After applying grease, use a shop cloth to wipe off old
grease that has oozed out.
3.
Install boot and boot bands to shaft.
CAUTION:
• Wrap serration on shaft with tape (A) to protect the boot
from damage.
• Never reuse boot and boot band.
4.
Remove the tape wrapped around the serration on shaft.
5.
Position circular clip on groove at the shaft edge.
CAUTION:
Never reuse circular clip.
NOTE:
Drive joint inserter is recommended when installing circular clip.
6.
Align both center axles of the shaft edge and joint sub-assembly.
Then assemble shaft with joint sub-assembly holding circular clip.
7.
Install joint sub-assembly to shaft using plastic hammer.
CAUTION:
Confirm that joint sub-assembly is correctly engaged while
rotating drive shaft.
8.
Apply the specified amount of grease into the boot inside from
large diameter side of boot.
JPDIG0151ZZ
JPDIF0008ZZ
Grease amount
: Refer to
.
JPDIF0009ZZ
RAC0049D
FRONT DRIVE SHAFT
FAX-25
< REMOVAL AND INSTALLATION >
[4WD]
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9.
Install the boot securely into grooves (indicated by “*” marks)
shown in the figure.
CAUTION:
If grease adheres to the boot mounting surface (indicated
by “*” mark) on the shaft or housing, boot may come off.
Remove all grease from the surfaces.
10. To prevent the deformation of the boot, adjust the boot installa-
tion length (L) to the specified value shown below by inserting
the suitable tool into inside of the boot from the large diameter
side of boot and discharging the inside air.
CAUTION:
• If the boot installation length is outside the standard, it may cause breakage of boot.
• Be careful not to touch the inside of the boot with the tip of tool.
11. Install new boot bands securely.
CAUTION:
Never reuse boot band.
a.
Small boot band
i.
Secure the ends of the boot with boot bands using the boot band
crimping tool [SST: KV40107300 (
−
)] (A).
CAUTION:
Secure boot band so that dimension (M) meets the specifi-
cation as shown in the figure.
b.
Large boot band
i.
Put boot band in the groove on drive shaft boot. Then fit pawls
(
) into holes to temporary installation.
NOTE:
For the large diameter side, fit projection (A) and guide slit (B) at
first.
L
: Refer to
JPDIG0136ZZ
PDIA1187J
M
: 1.0 – 4.0 mm (0.039 – 0.157 in)
DSF0047D
SDIA3557E
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