Infiniti QX56 (Z62). Manual — part 499
DLN-196
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R230]
FRONT OIL SEAL
7.
Put matching mark (B) on the end of the drive pinion. The
matching mark (A) on companion flange (1).
CAUTION:
For matching mark, use paint. Never damage companion
flange and drive pinion.
8.
Remove the drive pinion lock nut using a flange wrench (com-
mercial service tool).
9.
Remove the companion flange using a puller (commercial ser-
vice tool).
10. Remove the front oil seal using the puller (A) [SST: KV381054S0
(J-34286)].
INSTALLATION
JSDIA0038ZZ
JSDIA0039ZZ
JSDIA0040ZZ
PDIA0980E
FRONT OIL SEAL
DLN-197
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R230]
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1.
Apply multi-purpose grease to the lips of the new front oil seal.
Then drive the new front oil seal in evenly until it becomes flush
with the gear carrier using the drift (A) [SST: ST15310000 (J-
25640-B)].
CAUTION:
• Never reuse front oil seal.
• Never incline the new front oil seal when installing.
2.
Align the matching mark (B) of drive pinion with the matching
mark (A) of companion flange (1), and then install the compan-
ion flange.
3.
Apply anti-corrosion oil to the thread and seat of new drive pin-
ion lock nut, and temporarily tighten drive pinion lock nut to drive
pinion, using a flange wrench (commercial service tool).
CAUTION:
Never reuse drive pinion lock nut.
4.
Tighten drive pinion lock nut within the limits of specified torque
so as to keep the pinion bearing preload within a standard val-
ues, using the preload gauge (A) [SST: ST3127S000 (J-25765-
A)].
CAUTION:
• Adjust to the lower limit of the drive pinion lock nut tight-
ening torque first.
• If the preload torque exceeds the specified value, replace
collapsible spacer and tighten it again to adjust. Never
loosen drive pinion lock nut to adjust the preload torque.
5.
Fit a test indicator to the inner side of companion flange (socket
diameter).
6.
Rotate companion flange to check for runout.
• If the runout value is outside the runout limit, follow the proce-
dure below to adjust.
- Check for runout while changing the phase between compan-
ion flange and drive pinion by 90
°
step, and search for the
position where the runout is the minimum.
PDIA0752J
JSDIA0038ZZ
Total preload torque
: A value that add 0.1 – 0.4
N·m (0.01 – 0.04 kg-m, 0.9 –
3.5 in-lb) to the measured
value before removing.
PDIA1007E
Companion flange runout
: Refer to
.
JPDID0399ZZ
DLN-198
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R230]
FRONT OIL SEAL
- If the runout value is still outside of the limit after the phase has been changed, possible cause will be an
assembly malfunction of drive pinion and pinion bearing and malfunction of pinion bearing. Check for
these items and repair if necessary.
- If the runout value is still outside of the limit after the check and repair, replace companion flange.
7.
Make a stamping for identification of front oil seal replacement frequency. Refer to “Identification stamp of
replacement frequency of front oil seal”.
CAUTION:
Make a stamping after replacing front oil seal.
8.
Install rear propeller shaft. Refer to
DLN-144, "Removal and Installation"
.
9.
Install side flange with the following procedure.
a.
Attach the protector [SST: KV38108000 (
—
)] to side oil
seal.
b.
After the side flange is inserted and the serrated part of side
gear has engaged the serrated part of flange, remove the pro-
tector.
c.
Put a suitable drift on the center of side flange, then drive it until
sound changes.
NOTE:
When installation is completed, driving sound of the side flange
turns into a sound that seems to affect the whole final drive.
d.
Confirm that the dimension of the side flanges (1) installation
measurement (A) in the figure comes into the following.
10. Install drive shaft. Refer to
RAX-11, "Removal and Installation"
11. Refill gear oil to the final drive and check oil level. Refer to
12. Check the final drive for oil leakage. Refer to
SDIA0822E
A
: 342.2 mm (13.47 in)
JSDIA0185ZZ
SIDE OIL SEAL
DLN-199
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R230]
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SIDE OIL SEAL
Exploded View
INFOID:0000000006222416
Removal and Installation
INFOID:0000000006222417
REMOVAL
1.
Drain gear oil. Refer to
.
2.
Remove the drive shaft from the rear final drive assembly. Refer to
RAX-11, "Removal and Installation"
3.
Remove the side flange using sliding hammer and attachment.
NOTE:
Circular clip installation position: Side flange side
4.
Remove the side oil seal using a suitable tool.
CAUTION:
Never damage gear carrier.
INSTALLATION
1.
Final drive assembly
2.
Side oil seal
3.
Side flange
A.
Oil seal lip
: Apply anti-corrosion oil.
: Apply gear oil.
Refer to
for symbols not described above.
JPDID0234ZZ
A
: Attachment [SST: KV40104100 (
—
)]
B
: Sliding hammer [SST: ST36230000 (J-25840-A)]
JSDIA1040ZZ
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