Infiniti FX35, FX50 (S51). Manual — part 591
FRONT OIL SEAL
DLN-199
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
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• After replacing front oil seal, make a stamping on the stamping point in accordance with the table below in
order to identify replacement frequency.
CAUTION:
Make a stamping from left to right.
1.
Drain gear oil. Refer to
.
2.
Make a judgment if a collapsible spacer replacement is required.
3.
Remove center muffler with a power tool. Refer to
4.
Remove rear wheel sensor. Refer to
BRC-132, "REAR WHEEL SENSOR : Exploded View"
.
5.
Remove drive shaft from final drive. Then suspend it by wire, etc. Refer to
6.
Install attachment (A) [SST: KV40104100 (
—
)] to side
flange, and then pull out the side flange with the sliding hammer
(B) [SST: ST36230000 (J-25840-A)].
NOTE:
Circular clip installation position: Final drive side
7.
Remove rear propeller shaft. Refer to
.
8.
Measure the total preload with the preload gauge (A) [SST:
ST3127S000 (J-25765-A)].
NOTE:
Record the preload measurement.
9.
Put matching mark (B) on the end of the drive pinion. The
matching mark should be in line with the matching mark (A) on
companion flange (1).
CAUTION:
For matching mark, use paint. Never damage companion
flange and drive pinion.
NOTE:
The matching mark on the final drive companion flange indicates
the maximum vertical runout position.
Stamp before stamping
Stamping on the far right
Stamping
No stamp
0
0
“0”
(Front oil seal was replaced once.)
1
01
“01”
(Collapsible spacer and front oil seal were replaced last time.)
0
010
“0” is on the far right.
(Only front oil seal was replaced last time.)
1
...01
“1” is on the far right.
(Collapsible spacer and front oil seal were replaced last time.)
0
...010
JSDIA0105ZZ
PDIA0977E
PDIA0750J
DLN-200
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
FRONT OIL SEAL
10. Remove drive pinion lock nut using the flange wrench.
11. Remove companion flange using pullers.
12. Remove front oil seal using the puller (A) [SST: KV381054S0 (J-
34286)].
INSTALLATION
1.
Apply multi-purpose grease to front oil seal lips.
2.
Install front oil seal using the drift (A) [SST: ST30720000 (J-
25405)] as shown in figure.
CAUTION:
• Never reuse oil seal.
• Never incline oil seal when installing.
PDIA0978E
PDIA0979E
PDIA0980E
PDIA0752J
FRONT OIL SEAL
DLN-201
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
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3.
Align the matching mark (B) of drive pinion with the matching
mark (A) of companion flange (1), and then install the compan-
ion flange.
4.
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.
CAUTION:
Never reuse drive pinion lock nut.
5.
Tighten drive pinion lock nut within the limits of specified torque
so as to keep the pinion bearing preload within a standard val-
ues.
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.
6.
Fit a test indicator to the inner side of companion flange (socket
diameter).
7.
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.
- 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.
8.
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.
9.
Install rear propeller shaft. Refer to
PDIA0750J
A
: Preload gauge [SST: ST3127S000 (J-25765-A)]
Standard
Total preload torque
: A value that add 0.1 – 0.4
N·m (0.01 – 0.04 kg-m, 0.1 –
0.3 in-lb) to the measured
value before removing.
PDIA0981E
Limit
Companion flange runout
: Refer to
PDIA0490E
DLN-202
< REMOVAL AND INSTALLATION >
[REAR FINAL DRIVE: R200]
FRONT OIL SEAL
10. Install side flange with the following procedure.
a.
Attach the protector [SST: KV38107900 (J-39352)] 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 flange installation mea-
surement (A) in the figure comes into the following.
11. Install drive shaft. Refer to
12. Install rear wheel sensor. Refer to
13. Install center muffler. Refer to
.
14. Refill gear oil to the final drive and check oil level. Refer to
15. Check the final drive for oil leakage. Refer to
SDIA0822E
Standard
A
: 326 – 328 mm (12.83 – 12.91 in)
SDIA1039E
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