Nissan X-Trail 32. Manual - part 709

DIFFERENTIAL ASSEMBLY

DLN-247

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R145]

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Disassembly and Assembly

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DISASSEMBLY

1.

Remove drain plug, filler plug and gaskets.

2.

Remove the side oil seal, using oil seal remover (commercial
service tool).

CAUTION:

Never damage gear carrier and rear cover.

3.

Remove rear cover mounting bolts.

4.

Set drifts (A and B) to the right and left side bearing adjusting
shims individually. Press differential 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, 1.0 Imp ton).
NOTE:
Differential assembly, side bearings, and adjusting washers are
compressed and integrated in gear carrier and rear cover.

5.

Remove stud bolt from rear cover.
NOTE:
It is not necessary to remove stud bolt except when it is replaced.

6.

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.

7.

Remove side bearing inner races, using adaptor (A), separator
(B) and puller (C).

CAUTION:

• To prevent damage to the side bearing and drive gear,

place copper plates between these parts and vise.

• It is not necessary to remove side bearing inner race

except when it is replaced.

: Apply Genuine Liquid Gasket, Three Bond 1217 or equivalent.

: Apply Genuine High Strength Thread Locking Sealant, Loctite 270 or equivalent.

PDG0216D

A

: Drift (SST: KV40100610)

B

: Drift (SST: KV40100610)

A

: Adaptor (SST: ST33052000)

B

: Separator (commercial service tool)

C

: Puller (commercial service tool)

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DLN-248

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R145]

DIFFERENTIAL ASSEMBLY

8.

For proper reinstallation, paint matching marks 

 on one differ-

ential assembly and drive gear.

CAUTION:

For matching marks, use paint. Never damage differential
assembly and drive gear.

9.

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

10. Remove lock pin of pinion mate shaft, using the pin punch (com-

mercial service tool).

11. Remove pinion mate shaft.

12. Remove pinion mate gears, pinion mate thrust washers, side

gears, side gear thrust washers from differential case.

13. Perform inspection after disassembly. Refer to 

DLN-255,

"Inspection"

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ASSEMBLY

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DIFFERENTIAL ASSEMBLY

DLN-249

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R145]

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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.

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 thrust
washer to pinion mate gear.

4.

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

5.

Measure side gear end play. If necessary, select the appropriate side gear thrust washers.

a.

Place differential assembly straight up so that side gear to be
measured comes upward.

SDIA0193J

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DLN-250

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R145]

DIFFERENTIAL ASSEMBLY

b.

Using feeler gauge, measure the clearance between side gear
back and differential case at 3 different points, while rotating
side gear. Average the 3 readings, and then measure the clear-
ance of the other side as well.

CAUTION:

To prevent side gear from tilting, insert feeler gauges with
the same thickness from both sides.
• If the back clearance is outside the specification, use a thicker/

thinner side gear thrust washer to adjust. For selecting thrust
washer, refer to the latest parts information.

CAUTION:

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

6.

Drive a lock pin into pinion mate shaft, using the pin punch
(commercial service tool).

CAUTION:

Never reuse lock pin.

7.

Press side bearing inner races to differential assembly, using the
drifts (A and B).

CAUTION:

• Never reuse side bearing inner race.
• Apply gear oil to side bearing.

8.

Apply thread locking sealant into the thread hole of drive gear.
• For applying thread locking sealant, refer to 

DLN-246,

"Exploded View"

.

CAUTION:

Clean and degrees drive gear back and threaded holes suf-
ficiently.

9.

Install the drive gear to differential assembly.

CAUTION:

Align the matching mark of differential assembly and drive
gear.

Side gear back clear-
ance

: Refer to 

DLN-263, "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.

PDIA0576E

PDIA0759J

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: Drift (SST: KV40105020)

B

: Drift (SST: KV40105020)

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