Nissan Qashqai J11. Manual — part 791

DLN-80

< UNIT DISASSEMBLY AND ASSEMBLY >

[TRANSFER: TY21C]

TRANSFER COVER

Assembly

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1.

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

DLN-88, "Adjustment"

.

2.

Install the selected ring gear bearing adjusting shim (transfer
cover side)

and ring gear bearing outer race (transfer cover

side)

using suitable tool.

CAUTION:

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

3.

Install gasket onto drain plug and install them to transfer cover.

CAUTION:

Never reuse gasket.

4.

Install the transfer cover to the transfer case, and apply anti-cor-
rosive oil onto thread and seats on the mounting bolts. Then
tighten mounting bolts to the specified torque.

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

5.

Check backlash, tooth contact, total preload and companion
flange runout. Refer to

DLN-88, "Adjustment"

.

CAUTION:

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

6.

Remove transfer cover to install O-ring.

7.

Apply multi-purpose grease lightly and evenly onto an O-ring, and install it to the transfer cover.

CAUTION:

• Never reuse O-ring.
• When installing O-ring, never use a suitable tool.
• Never damage O-ring.

8.

Install the transfer cover to the transfer case, and apply anti-cor-
rosive oil onto thread and seats on the mounting bolts. Then
tighten mounting bolts to the specified torque.

9.

Using drift (commercial service tool), install transfer cover oil
seal (outer/inner) with the directions below.

CAUTION:

• When checking the total preload torque, measure it with-

out the oil seal, then install the oil seal.

JSDIA3992ZZ

A

: M10 bolt

B

: M8 bolt

A

: M10 bolt

B

: M8 bolt

AWDIA1140ZZ

AWDIA1140ZZ

A

: Installation dimension for transfer cover oil seal (inner)

B

: Installation dimension for transfer cover oil seal (outer)

A

: 10.3 +0.6/-0 mm (0.406 +0.024/-0 in)

B

: 0 +0.6/-0 mm (0 +0.024/-0 in)

JSDIA3993ZZ

TRANSFER COVER

DLN-81

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[TRANSFER: TY21C]

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• 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.

10. Install gasket onto filler plug and install them to transfer cover.

CAUTION:

• Never reuse gasket.
• Install filler plug after oil is filled.

Inspection

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INSPECTION AFTER DISASSEMBLY

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

Transfer cover

Check the bearing mounting surface for wear, cracks and damages.

DLN-82

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[TRANSFER: TY21C]

RING GEAR SHAFT

RING GEAR SHAFT

Exploded View

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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-87,

"Assembly"

.

: N·m (kg-m, in-lb)

: N·m (kg-m, ft-lb)

: Always replace after every disassembly.

: Select with proper thickness.

RING GEAR SHAFT

DLN-83

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[TRANSFER: TY21C]

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Disassembly

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1.

Remove transfer cover assembly. Refer to

DLN-79, "Disassembly"

.

2.

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

DLN-79, "Disassembly"

.

3.

Remove ring gear shaft assembly from the transfer case.

4.

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

DLN-95, "Disassembly"

.

5.

Remove ring gear bearing inner race (transfer cover side) from
ring gear shaft using suitable tool (A) and suitable tool.

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.

: Apply transfer oil.

*

: Apply anti-corrosive oil.

: Apply multi-purpose grease.

JPDIE0030ZZ

Tool number

: ST33061000

JPDIE0031ZZ

SDIA1807J