Nissan X-Trail 32. Manual - part 670

RING GEAR SHAFT

DLN-91

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6.

Remove ring gear bearing inner race (transfer case side) from
ring gear shaft with suitable tool (A) and Tool.

7.

Remove the ring gear mounting bolts.

8.

Lightly tap ring gear with a plastic hammer to remove ring gear
from the ring gear shaft.

9.

Remove ring gear shaft oil seal from the ring gear shaft with the
Tool (A).

10. Perform inspection after disassembly. Refer to 

DLN-92, "Inspec-

tion"

.

ASSEMBLY

1.

Using suitable tool (A), install ring gear shaft oil seal 

 within the

dimension (L) shown as follows.

CAUTION:

• Never reuse the oil seal.
• When installing, never incline oil seal.
• Apply multi-purpose grease onto oil seal lips, and transfer

oil onto the circumference of the oil seal.

2.

Select ring gear bearing adjusting shim (transfer case side) and
ring gear bearing adjusting shim (transfer cover side). Refer to

DLN-98, "Adjustment"

.

3.

Assemble the selected ring gear bearing adjusting shim (transfer case side) and ring gear bearing outer
race (transfer case side) to transfer case. Refer to 

DLN-105, "Disassembly and Assembly"

.

CAUTION:

• Never reuse ring gear bearing.
• Apply transfer oil to the ring gear bearing.

4.

Assemble the selected ring gear bearing adjusting shim (transfer cover side) and ring gear bearing outer
race (transfer cover side) to transfer cover. Refer to 

DLN-85, "Disassembly and Assembly"

.

CAUTION:

• Never reuse ring gear bearing.
• Apply transfer oil to the ring gear bearing.

Tool number

: ST33061000

JPDIE0031ZZ

SDIA1807J

Tool number

: KV381054S0

JPDIE0032ZZ

L

: 2.0 +0.6/

−

0 mm (0.079 +0.024/

−

0 in)

JSDIA2492ZZ

DLN-92

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RING GEAR SHAFT

5.

Install the ring gear to ring gear shaft, and tighten mounting bolts to the specified torque.

6.

Install ring gear bearing inner race (transfer cover side) with drift
(A) (commercial service tool).

CAUTION:

• Never reuse ring gear bearing.
• Apply transfer oil to the ring gear bearing.

7.

Install the ring gear bearing inner race (transfer case side) to
ring gear shaft with suitable tool (A).

CAUTION:

• Never reuse ring gear bearing.
• Apply transfer oil to the ring gear bearing.

8.

Install the ring gear shaft assembly to the transfer case.

CAUTION:

Protect transfer case oil seals beforehand from being dam-
aged by the spline of ring gear shaft below method follow-
ing.

a.

Apply multi-purpose grease to spline part indicated in the figure.

b.

Wrap piece of vinyl to spline part only indicated in the figure.
[(A): limit line]

CAUTION:

Never wrap sliding surfaces on oil seal.

9.

Install transfer cover to check and adjust each part. Refer to

DLN-85, "Disassembly and Assembly"

.

NOTE:
At this timing, O-ring installing to transfer cover is not necessary.
Install O-ring after backlash and tooth contact are checked.

10. Check backlash, tooth contact, total preload and companion

flange runout. Refer to 

DLN-98, "Adjustment"

.

CAUTION:

Measure the total preload without oil seals of transfer cover and transfer case.

11. Reinstall transfer cover to install O-ring. Refer to 

DLN-85, "Disassembly and Assembly"

.

12. After installing transfer case oil seals, remove wrapped vinyl from the spline of ring gear shaft.

Inspection

INFOID:0000000010992046

INSPECTION AFTER DISASSEMBLY

Check items below. If necessary, replace them with new ones.

Gear and Shaft

JSDIA1056ZZ

JSDIA1055ZZ

JSDIA4195ZZ

JSDIA4196ZZ

RING GEAR SHAFT

DLN-93

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Check gear face and shaft for wear, cracks, damage, and seizure.

CAUTION:

If malfunction is detected on the ring gear or drive pinion, replace the ring gear and drive pinion as a
set.

Bearing

Check for seizure, peeling, wear, corrosion, sticking, unusual noise, roughness in hand turning, and other
damage.

CAUTION:

When replacing the bearing, always replace the inner race and outer race as a pair.

Shim

Check for seizure, damage, and unusual wear.

DLN-94

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DRIVE PINION

DRIVE PINION

Exploded View

INFOID:0000000010992047

MR20DD models

JSDIA5341GB

Pinion lock nut

Companion flange

Dust cover

Oil seal

Pinion bearing assembly

O-ring

Drive pinion adjusting shim

Drive pinion

O-ring

Oil seal

Dowel pin

Plug

Gasket

Transfer case

Baffle plate

Ring gear bearing adjusting shim 
(transfer case side)

Ring gear bearing (transfer case 
side)

Ring gear

Ring gear shaft

Ring gear shaft oil seal

Ring gear bearing (transfer cover 
side)

Ring gear bearing adjusting shim 
(transfer cover side)

Oil seal

O-ring

Transfer cover

Oil seal

Filler plug

Drain plug

Oil seal lip

Comply with the assembly procedure 
when tightening. Refer to 

DLN-96, 

"Disassembly and Assembly"

.

: N·m (kg-m, in-lb)

: N·m (kg-m, ft-lb)

: Always replace after every disassembly.

: Select with proper thickness.