Nissan Murano Z51. Manual - part 494

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< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R145]

DIFFERENTIAL ASSEMBLY

Disassembly

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1.

Remove side oil seals, using a suitable tool.

CAUTION:

Be careful not to damage gear carrier and rear cover.

2.

Remove rear cover mounting bolts.

3.

Set drifts [SST: KV40100610 (J-26089)] to the right and left side
bearing adjusting shims individually. Press differential case
assembly with side bearing to remove gear carrier assembly
and rear cover assembly.

CAUTION:

The pressure shall be as low as possible to remove gear
carrier assembly and rear cover assembly. The maximum
pressure shall be 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).
NOTE:
Differential case assembly, side bearings, and adjusting shims
are compressed and integrated in gear carrier and rear cover.

4.

Remove drain plug and filler plug.

5.

Remove side bearing adjusting shims and side bearing outer races.

CAUTION:

Mark the side bearing adjusting shims so that the original mounting positions (right/left) can be
identified later.

6.

Remove drive gear mounting bolts and then remove drive gear
from differential case.

7.

Remove side bearing inner races, using pullers and the drift
[SST: ST33052000 (

—

)].

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DIFFERENTIAL ASSEMBLY

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< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R145]

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8.

Pull the lock pin out of pinion mate shaft, using the pin punch.

9.

Remove pinion mate shaft, pinion mate gears, pinion mate
thrust washers, side gears, side gear thrust washers from differ-
ential case.

Assembly

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1.

Install new side gear thrust washers with the same thickness as
the ones installed prior to disassembly or reinstall the old ones
on the side gears.

2.

Install side gears and side gear thrust washers into differential
case.

3.

Align 2 pinion mate gears in diagonally opposite positions, then
rotate and install them into differential case after installing pinion
mate thrust washers to pinion mate gears.

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< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R145]

DIFFERENTIAL ASSEMBLY

4.

Align the lock pin holes on differential case with shaft, and install
pinion mate shaft.

5.

Measure side gear end play following the procedure below, and select the appropriate side gear thrust
washers.

a.

Place differential case straight up so that side gear to be mea-
sured comes upward.

b.

Using thickness gauges, measure the clearance between side
gear back and differential case at 3 different positions, while
rotating side gear. Average the 3 readings, and then decide the
clearance. (Measure the clearance of the other side as well.)

CAUTION:

To prevent side gear from tilting, insert thickness gauges
with the same thickness from both sides.

c.

If the back clearance is outside the specification, use a thicker/
thinner side gear thrust washer to adjust.

CAUTION:

Select a side gear thrust washer for right and left individu-
ally.

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Standard

Side gear back clearance

: Refer to 

DLN-126, "Differ-

ential Side Gear Clear-
ance"

.

When the back clearance is large:

Use a thicker thrust washer.

When the back clearance is small:

Use a thinner thrust washer.

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DIFFERENTIAL ASSEMBLY

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< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R145]

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6.

Drive a lock pin into pinion mate shaft, using the pin punch.

CAUTION:

Never reuse lock pin.

7.

Press side bearing inner races to differential case, using the drift
[SST: KV40105020 (

—

)].

CAUTION:

Never reuse side bearing inner races.

8.

Apply locking sealant into the thread hole of drive gear.
Use Genuine Medium Strength Thread Locking Sealant or
equivalent. Refer to 

GI-18, "Recommended Chemical Products

and Sealants"

.

CAUTION:

The drive gear back and threaded holes shall be cleaned
and decreased sufficiently.

9.

Install drive gear to the differential case, and then tighten to the
specified torque.

10. Apply gear oil to side bearings, and install new side bearing

adjusting shims (2 pieces for one side) with the same thickness
as the ones installed prior to disassembly or re-install the old
ones, with side bearing outer race to differential case.
If side bearing adjusting shims have been already selected, use
them.

CAUTION:

Never reuse side bearing outer race.

11. Set the drifts [SST: KV40100610 (J-26089)] to the right and left

side bearing adjusting shims individually. Compress differential
case assembly and side bearing to install gear carrier assembly
to differential case assembly.

CAUTION:

• The drift shall be placed on the center of the adjusting

shims.

• The pressure shall be as low as possible to install differ-

ential assembly into gear carrier assembly. The maximum
pressure shall be 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).

• If the adjusting shims are installed by tapping, the gear

carrier may be damaged. Avoid tapping.

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