Nissan X-Trail 32. Instruction — part 671

DRIVE PINION

DLN-95

< UNIT DISASSEMBLY AND ASSEMBLY >

[TRANSFER: TY21C]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

QR25DE models

: Apply transfer oil.

*

: Apply anti-corrosive oil.

: Apply multi-purpose grease.

AWDIA1138ZZ

DLN-96

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[TRANSFER: TY21C]

DRIVE PINION

Disassembly and Assembly

INFOID:0000000010992048

DISASSEMBLY

1.

Remove pinion bearing assembly mounting bolts.

2.

Lightly tap companion flange with a plastic hammer to remove
drive pinion assembly

.

3.

Remove the O-ring from pinion bearing.

4.

Remove the pinion lock nut.

Filler plug

Gasket

Drain plug

Oil seal

Transfer cover

Oil seal

O-ring

Ring gear bearing adjusting shim
(transfer cover side)

Ring gear bearing (transfer cover
side)

Ring gear shaft oil seal

Ring gear shaft

Ring gear bearing (transfer case
side)

Ring gear bearing adjusting shim
(transfer case side)

Ring gear

Baffle plate

Transfer case

Plug

O-ring

Oil seal

Dowel pin

Drive pinion

Drive pinion adjusting shim

O-ring

Pinion bearing assembly

Oil seal

Dust cover

Companion flange

Pinion lock nut

Oil seal lip

Comply with the assembly proce-
dure 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.

: Apply transfer oil.

*

: Apply anti-corrosive oil.

: Apply multi-purpose grease.

: Select with proper thickness.

JSDIA3951ZZ

JSDIA3952ZZ

DRIVE PINION

DLN-97

< UNIT DISASSEMBLY AND ASSEMBLY >

[TRANSFER: TY21C]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

5.

Remove drive pinion from pinion bearing assembly using suit-
able tool (A) and suitable tool (B).

6.

Remove adjusting shim.

7.

Remove companion flange.

8.

Remove the dust cover.

9.

Remove the oil seal.

10. Perform inspection after disassembly. Refer to

DLN-102,

"Inspection"

.

ASSEMBLY

1.

Select drive pinion adjusting shim. Refer to

DLN-98, "Adjustment"

.

2.

Assemble the selected drive pinion adjusting shim to drive pinion.

3.

Install the drive pinion to pinion bearing assembly using suitable tool.

CAUTION:

• Never reuse pinion bearing assembly.
• Apply transfer oil to pinion bearing part.

4.

Install oil seal to pinion bearing assembly using suitable tool (A).

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.

5.

Install dust cover.
NOTE:
Tighten dust cover together with pinion bearing assembly.

6.

Install companion flange

to pinion bearing using suitable tool

(A).

7.

Apply anti-corrosive oil to the thread and seat of the lock nut,
and adjust the pinion lock nut tightening torque and pinion bear-
ing preload torque, using a preload gauge.

a.

Install pinion lock nut, and then tighten to the specified torque.

CAUTION:

• Never reuse pinion lock nut.
• Check that pinion lock nut is seated on the companion flange.

b.

After tightening pinion lock nut to the specified torque, retighten the pinion lock nut by 25 degrees.

c.

Measure the pinion bearing preload.

8.

Apply multi-purpose grease lightly and evenly onto an O-ring, and install it to the pinion bearing assembly.

CAUTION:

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

JSDIA3953ZZ

JSDIA3996ZZ

Pinion lock nut
tightening torque

: 90

±

9 N·m (9.2

±

0.92kg-m, 66

±

7 ft-lb)

Pinion bearing preload

: Refer to

DLN-108, "Preload Torque"

.

JSDIA3997ZZ

DLN-98

< UNIT DISASSEMBLY AND ASSEMBLY >

[TRANSFER: TY21C]

DRIVE PINION

9.

Install drive pinion assembly, and apply anti-corrosive oil onto
thread and seats on the mounting bolts. Tighten to the specified
torque.
NOTE:
Tighten dust cover together with pinion bearing assembly.

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.

Adjustment

INFOID:0000000010992050

ADJUSTING SHIM SELECTION

Measurement point

Select adjusting shim of T1, T2, and T3, respectively, by using the following equation.

T1 [Ring gear bearing adjusting shim (transfer case side)]

• T1 = A

−

(B +X/2) +C +W

−

V

−

F

−

(M/100) +0.071 mm (0.0028 in)

JSDIA3951ZZ

JSDIA4034ZZ