Infiniti M35/M45 Y50. Manual — part 1026
REAR FINAL DRIVE ASSEMBLY
RFD-31
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RFD
12. Select the correct pinion height adjusting washer. Refer to
RFD-38, "Pinion Height Adjusting Washer"
13. Remove the J-34309 differential shim selector tool from the final
drive housing. Then disassemble to retrieve the pinion bearings.
ASSEMBLY
Drive Pinion Assembly
1.
Install front bearing outer race (1) and rear bearing outer race
(2) using drifts.
CAUTION:
●
At first, using a hammer, tap bearing outer race until it
becomes flat to gear carrier.
●
Do not reuse pinion front and rear bearing outer race.
2.
Select drive pinion height adjusting washer. Refer to
Pinion head height number
Add or remove from the standard pinion height
adjusting washer thickness measurement
- 6
- 5
- 4
- 3
- 2
- 1
0
+1
+2
+3
+4
+5
+6
Add 0.06 mm (0.0024 in)
Add 0.05 mm (0.0020 in)
Add 0.04 mm (0.0016 in)
Add 0.03 mm (0.0012 in)
Add 0.02 mm (0.0008 in)
Add 0.01 mm (0.0004 in)
Use the selected washer thickness
Subtract 0.01 mm (0.0004 in)
Subtract 0.02 mm (0.0008 in)
Subtract 0.03 mm (0.0012 in)
Subtract 0.04 mm (0.0016 in)
Subtract 0.05 mm (0.0020 in)
Subtract 0.06 mm (0.0024 in)
SPD205A
Tool number
A: ST30720000 (J-25405)
B: KV40105230 (
—
)
C: ST30611000 (J-25742-1)
D: ST30613000 (J-25742-3)
PDIA0761J
RFD-32
REAR FINAL DRIVE ASSEMBLY
3.
Install selected drive pinion height adjusting washer (2) to drive
pinion. Press pinion rear bearing inner race (1) to it, using drift.
CAUTION:
●
Pay attention to the direction of pinion height adjusting
washer. (Assemble as shown in the figure.)
●
Do not reuse pinion rear bearing inner race.
4.
Assemble collapsible spacer to drive pinion.
CAUTION:
Do not reuse collapsible spacer.
5.
Apply gear oil to pinion rear bearing, and assemble drive pinion
into gear carrier.
6.
Apply gear oil to pinion front bearing, and assemble pinion front
bearing inner race to drive pinion assembly.
CAUTION:
Do not reuse pinion front bearing inner race.
7.
Using suitable spacer (A), press the pinion front bearing inner
race to drive pinion as far as drive pinion nut can be tightened.
8.
Using the drift, install front oil seal as shown in figure.
CAUTION:
●
Do not reuse oil seal.
●
When installing, do not incline oil seal.
●
Apply multi-purpose grease onto oil seal lips, and gear
oil onto the circumference of oil seal.
9.
Install companion flange (1).
NOTE:
When reusing drive pinion, align the matching mark (B) of drive
pinion with the matching mark (A) of companion flange, and then
install companion flange (1).
Tool number
A: ST30901000 (J-26010-01)
PDIA0805J
PDIA0492E
PDIA0762J
Tool number
A: ST30720000 (J-25405)
PDIA0764J
PDIA0750J
REAR FINAL DRIVE ASSEMBLY
RFD-33
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RFD
10. Apply anti-corrosion oil to the thread and seat of drive pinion
lock nut, and temporarily tighten drive pinion lock nut to drive
pinion.
CAUTION:
Do not reuse drive pinion lock nut.
11. Adjust to the drive pinion lock nut tightening torque and pinion
bearing preload torque.
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. Do not
loosen drive pinion lock nut to adjust the preload torque.
●
After adjustment, rotate drive pinion back and forth 2 to 3
times to check for unusual noise, rotation malfunction,
and other malfunctions.
12. Install differential case assembly. Refer to
RFD-33, "Differential Assembly"
.
CAUTION:
Do not install rear cover yet.
13. Check and adjust drive gear runout, tooth contact, drive gear to drive pinion backlash, and companion
flange runout. Refer to
RFD-22, "Companion Flange Runout"
Recheck above items. Readjust the above description, if necessary.
14. Check total preload torque. Refer to
RFD-19, "Total Preload Torque"
15. Install rear cover. Refer to
RFD-33, "Differential Assembly"
.
Differential Assembly
1.
Install side gear thrust washers with the same thickness as the
ones installed prior to disassembly or reinstall the old ones on
the side gears.
Tool number
A: ST3127S000 (J-25765-A)
Drive pinion lock nut tightening torque:
147 - 323 N·m (15 - 32 kg-m, 109 - 238 ft-lb)
Drive pinion bearing preload:
2.65 - 3.23 N·m (0.27 - 0.32 kg-m, 24 - 28 in-lb)
PDIA0765J
SDIA0193J
RFD-34
REAR FINAL DRIVE ASSEMBLY
2.
Install side gears and thrust washers into differential case.
CAUTION:
Make sure that the circular clip is installed to side gears.
3.
Align 2 pinion mate gears in diagonally opposite positions, then
rotate and install them into differential case after installing thrust
washer to pinion mate gear.
4.
Align the lock pin holes on differential case with shaft, and install
pinion mate shaft.
5.
Measure side gear end play. If necessary, select the appropriate
side gear thrust washers. Refer to
6.
Drive a lock pin into pinion mate shaft, using a punch.
Make sure lock pin is flush with differential case.
CAUTION:
Do not reuse lock pin.
7.
Align the matching mark of differential case with the mark of
drive gear, then place drive gear.
8.
Apply thread locking sealant into the thread hole of drive gear.
●
Use Genuine High Strength Thread Locking Sealant or
equivalent. Refer to
.
CAUTION:
Drive gear back and threaded holes shall be cleaned and
degreased sufficiently.
SDIA2025E
SDIA0195J
SPD030
SDIA2593E
SDIA2594E
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