Nissan Pathfinder (2008 year). Manual - part 210

DLN-264

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PRECAUTIONS

Precaution

INFOID:0000000001282275

• Before connecting or disconnecting the transfer control unit

harness connector, turn ignition switch “OFF” and disconnect
the battery cables. Battery voltage is applied to transfer con-
trol unit even if ignition switch is turned “OFF”.

• When connecting or disconnecting pin connectors into or

from transfer control unit, take care not to damage pin termi-
nals (bend or break).
When connecting pin connectors make sure that there are not
any bends or breaks on transfer control unit pin terminals.

• Before replacing transfer control unit, perform transfer con-

trol unit input/output signal inspection and make sure transfer
control unit functions properly. Refer to 

DLN-232, "Reference

Value"

.

Service Notice

INFOID:0000000001282276

• After overhaul refill the transfer with new transfer fluid.
• Check the fluid level or replace the fluid only with the vehicle parked on level ground.
• During removal or installation, keep inside of transfer clear of dust or dirt.
• Disassembly should be done in a clean work area.
• Before proceeding with disassembly, thoroughly clean the transfer. It is important to prevent the internal

parts from becoming contaminated by dirt or other foreign matter.

• Check for the correct installation status prior to removal or disassembly. If matchmarks are required, be cer-

tain they do not interfere with the function of the parts when applied.

• All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or

reassembly.

• Check appearance of the disassembled parts for damage, deformation, and unusual wear. Replace them

with a new ones if necessary.

• Gaskets, seals and O-rings should replaced any time the transfer is disassembled.
• In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to outside. If tight-

ening sequence is specified, use it.

• Observe the specified torque when assembling.
• Clean and flush the parts sufficiently and blow-dry them.
• Be careful not to damage sliding surfaces and mating surfaces.

SEF289H

SEF291H

MEF040DB

PRECAUTIONS

DLN-265

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• Use lint-free cloth or towels for wiping parts clean. Common shop rags can leave fibers that could interfere

with the operation of the transfer.

DLN-266

< PREPARATION >

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PREPARATION

PREPARATION

PREPARATION

Special Service Tool

INFOID:0000000001282277

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Tool number
(Kent-Moore No.)
Tool name

Description

KV40104000
(

—

)

Flange wrench

• Removing self-lock nut
• Installing self-lock nut
a: 85 mm (3.35 in)
b: 65 mm (2.56 in)

ST33290001
(J-34286)
Puller

• Removing front oil seal
• Removing rear oil seal
• Removing metal bushing

KV38100500
(

—

)

Drift

• Installing front oil seal
• Installing rear oil seal
• Installing rear bearing
• Installing front bearing
a: 80 mm (3.15 in) dia.
b: 60 mm (2.36 in) dia.

KV40105310
(

—

)

Drift

• Installing dust cover
a: 89 mm (3.50 in) dia.
b: 80.7 mm (3.17 in) dia.

KV38100200
(

—

)

Drift

• Removing sun gear assembly and planetary 

carrier assembly

• Removing input bearing
• Installing sun gear assembly and planetary 

carrier assembly

a: 65 mm (2.56 in) dia.
b: 49 mm (1.93 in) dia.

ST30720000
(J-25405)
Drift

• Installing input bearing
• Installing input oil seal
• Installing carrier bearing
a: 77 mm (3.03 in) dia.
b: 55 mm (2.17 in) dia.

NT659

ZZA0601D

ZZA0811D

ZZA1003D

ZZA1143D

ZZA0811D

PREPARATION

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KV32102700
(

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)

Drift

• Installing mainshaft rear bearing
a: 48 mm (1.89 in) dia.
b: 41 mm (1.61 in) dia.

KV40104830
(

—

)

Drift

• Installing input oil seal
a: 70 mm (2.76 in) dia.
b: 63.5 mm (2.50 in) dia.

ST35300000
(

—

)

Drift

• Removing carrier bearing
• Installing metal bushing
• Removing front bearing
a: 59 mm (2.32 in) dia.
b: 45 mm (1.77 in) dia.

ST30021000
(J-22912-01)
Puller

• Removing carrier bearing
• Removing front bearing
• Removing rear bearing

ST33710000
(

—

)

Drift

• Removing needle bearing
• Removing metal bushing
• Removing rear bearing
a: 89 mm (3.5 in)
b: 30 mm (1.18 in) dia.
c: 24 mm (0.94 in) dia.

ST35325000
(

—

)

Drift bar

• Removing metal bushing
a: 215 mm (8.46 in)
b: 25 mm (0.98 in) dia.
c: M12 

×

 1.5P

ST33220000
(

—

)

Drift

• Installing needle bearing
a: 37 mm (1.46 in) dia.
b: 31 mm (1.22 in) dia.
c: 22 mm (0.87 in) dia.

Tool number
(Kent-Moore No.)
Tool name

Description

ZZA0534D

ZZA1003D

NT073

ZZA0537D

ZZA1057D

NT663

ZZA1046D

DLN-268

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PREPARATION

Commercial Service Tool

INFOID:0000000001282278

ST27863000
(

—

)

Drift

• Installing carrier bearing
a: 75 mm (2.95 in) dia.
b: 62 mm (2.44 in) dia.

ST30901000
(J-26010-01)
Drift

• Installing rear bearing
• Installing front bearing
a: 79 mm (3.11 in) dia.
b: 45 mm (1.77 in) dia.
c: 35.2 mm (1.38 in) dia.

Tool number
(Kent-Moore No.)
Tool name

Description

ZZA1003D

ZZA0978D

Tool name

Description

Puller

• Removing companion flange
• Removing mainshaft rear bearing

Puller

• Removing mainshaft rear bearing

Pin punch

• Removing retaining pin
a: 6 mm (0.24 in) dia.

Power tool

• Loosening bolts and nuts

NT077

ZZB0823D

NT410

PBIC0190E

TRANSFER FLUID

DLN-269

< ON-VEHICLE MAINTENANCE >

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ON-VEHICLE MAINTENANCE

TRANSFER FLUID

Replacement

INFOID:0000000001282280

CAUTION:

If using the vehicle for towing, the transfer fluid must be replaced as specified. Refer to 

MA-6, "Intro-

duction of Periodic Maintenance"

.

DRAINING

1.

Stop engine.

2.

Remove the drain plug and gasket and drain the fluid.

3.

Install the drain plug with a new gasket to the transfer. Tighten to
the specified torque. Refer to 

DLN-288, "Disassembly and

Assembly"

.

CAUTION:

Do not reuse gasket.

FILLING

1.

Remove the filler plug and gasket.

2.

Fill the transfer with new fluid until the fluid level reaches the
specified limit near the filler plug hole.

CAUTION:

Carefully fill fluid. (Fill up for approx. 3 minutes.)

3.

Leave the vehicle for 3 minutes, and check fluid level again.

4.

Install the filler plug with a new gasket to the transfer. Tighten to
the specified torque. Refer to 

DLN-288, "Disassembly and

Assembly"

.

CAUTION:

Do not reuse gasket.

Inspection

INFOID:0000000001282281

CAUTION:

If using the vehicle for towing, the transfer fluid must be replaced as specified. Refer to 

MA-6, "Intro-

duction of Periodic Maintenance"

.

FLUID LEAKAGE AND FLUID LEVEL

1.

Make sure that fluid is not leaking from the transfer assembly or around it.

2.

Check fluid level from the filler plug hole as shown.

CAUTION:

Do not start engine while checking fluid level.

3.

Install the filler plug with a new gasket to the transfer. Tighten to
the specified torque. Refer to 

DLN-288, "Disassembly and

Assembly"

.

CAUTION:

Do not reuse gasket.

SDIA3286E

Fluid grade and capacity

: Refer to 

MA-10, "Fluids and 

Lubricants"

.

SDIA3287E

SDIA3287E

DLN-270

< ON-VEHICLE REPAIR >

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TRANSFER CONTROL UNIT

ON-VEHICLE REPAIR

TRANSFER CONTROL UNIT

Removal and Installation

INFOID:0000000001282315

REMOVAL

1.

Switch 4WD shift switch to 2WD and set transfer assembly to 2WD.

CAUTION:

When removing transfer control unit, transfer state must be at 2WD.

2.

Turn the ignition switch OFF and disconnect negative battery terminal.

3.

Remove the lower instrument panel LH. Refer to 

IP-10, "Removal and Installation"

.

4.

Disconnect the two transfer control unit connectors.

5.

Remove the transfer control unit bolts.

6.

Remove the transfer control unit.

INSTALLATION

Installation is in the reverse order of removal.
• When installing the transfer control unit, tighten bolts to the specified torque.

• After the installation, check 4WD shift indicator pattern. If NG, adjust position between transfer assembly and

transfer control unit. Refer to 

DLN-262, "Precaution for Transfer Assembly and Transfer Control Unit

Replacement"

.

LDIA0168E

Transfer control unit bolts

: 3.4 N·m (0.35 kg-m, 30 in-lb)

FRONT OIL SEAL

DLN-271

< ON-VEHICLE REPAIR >

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FRONT OIL SEAL

Removal and Installation

INFOID:0000000001282316

REMOVAL

1.

Partially drain the transfer fluid. Refer to 

DLN-269, "Replacement"

.

2.

Remove the front propeller shaft. Refer to 

DLN-308, "Removal and Installation"

.

3.

Remove the companion flange self-lock nut using Tool.

4.

Put a matching mark on top of the front drive shaft in line with
the mark on the companion flange.

CAUTION:

Use paint to make the matching mark on the front drive
shaft. Do not damage the front drive shaft.

5.

 Remove the companion flange using suitable tool.

6.

Remove the front oil seal from the front case using Tool.

CAUTION:

Do not damage front case.

INSTALLATION

Tool number

: KV40104000 (

—

)

LDIA0142E

SDIA2779E

WDIA0193E

Tool number

: ST33290001 (J-34286)

LDIA0144E