Infiniti QX56 (Z62). Manual - part 478

DLN-112

< REMOVAL AND INSTALLATION >

[TRANSFER: ATX90A]

REAR OIL SEAL

1.

Install rear oil seal, with a drift (A) [SST: KV40104710 (

—

] within the dimension (L) show as follows.

CAUTION:

• Never reuse front oil seal.
• Apply transfer fluid onto circumference of oil seal.

2.

Install the dust shield to the rear companion flange.

3.

Install the rear companion flange to main shaft.

CAUTION:

• Align the matching marks (A) of main shaft and rear com-

panion flange.

• Install bolt (A) (M12

×

1.75 mm) to main shaft, then install

the rear companion flange by hammering while pulling the
bolt.

4.

Install the O-ring (3) to gap between rear companion flange (1)
and main shaft (2).

CAUTION:

• Never reuse the O-ring.
• Never damage the O-ring.

5.

Select adjusting shim. Refer to 

DLN-112, "Adjustment"

.

6.

Install adjusting shim.

7.

Install the snap ring.

8.

Install the rear propeller shaft. Refer to 

DLN-144, "Removal and

Installation"

.

9.

Check fluid level and for fluid leakage. Refer to 

DLN-106,

"Inspection"

.

Adjustment

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ADJUSTING SHIM

1.

Remove the snap ring.

2.

Remove the adjusting shim.

3.

Remove the O-ring.

L

: 2.8 – 3.2

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REAR OIL SEAL

DLN-113

< REMOVAL AND INSTALLATION >

[TRANSFER: ATX90A]

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4.

Install the thinnest adjusting shim.

5.

Install the snap ring to main shaft.

6.

Install the bolt (A) (M12

×

1.75 mm) to main shaft, then hummer

the rear companion flange while pulling the bolt.

7.

Fit a dial indicator onto the end of main shaft.

8.

Check the clearance between rear companion flange and main
shaft during pushing the bolt (A) at 

 direction.

9.

Use the formula below to calculate adjusting shim thickness.

CAUTION:

Adjusting shim thickness is in step of 0.1 mm. When a calculation result includes the second dec-
imal place, it must be rounded down.

10. Select the proper adjusting shim. For selecting adjusting shim, refer to the latest parts information.

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Shim selection equation:

T = T

0

 + (C 

−

 0.1)

T:

Correct shim thickness

T

0

:

The thinnest shim thickness

C:

Measured clearance between rear 
companion flange and main shaft

Example:

T = 2.1 + (0.34 

−

 0.1) = 2.34

T

0

:

2.1

C:

0.34

Caluculated value... T = 2.34 mm

Used shim... T = 2.3 mm

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DLN-114

< REMOVAL AND INSTALLATION >

[TRANSFER: ATX90A]

TRANSFER CONTROL ACTUATOR

TRANSFER CONTROL ACTUATOR

Exploded View

INFOID:0000000006222334

Removal and Installation

INFOID:0000000006222335

REMOVAL

CAUTION:

If DTC about transfer control actuator is detected, perform inspection after removal.
1.

Turn the ignition switch OFF.

2.

Disconnect negative battery terminal.

CAUTION:

Wait for 5 seconds after turning ignition switch OFF.

3.

Disconnect the transfer control actuator connector.

4.

Remove the bolts and detach the transfer control actuator.

5.

Perform inspection after removal. Refer to 

DLN-114, "Inspection"

.

INSTALLATION

Note the following, and installing the reverse order of removal.
• Never damage oil seal of transfer motor.
• If transfer control actuator has been replaced, perform writing the unit parameter. Refer to 

DLN-48, "Work

Procedure"

• Perform inspection after installation. Refer to 

DLN-114, "Inspection"

Inspection

INFOID:0000000006222336

INSPECTION AFTER REMOVAL

1.

Check the oil seal assembled transfer control actuator for wear, crack and damage. Replace if there is
malfunction.

2.

Check the transfer assembly as follows.

1.

Transfer assembly

2.

Transfer control actuator

: Vehicle front

Refer to 

GI-4, "Components"

 for symbols not described above.

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TRANSFER CONTROL ACTUATOR

DLN-115

< REMOVAL AND INSTALLATION >

[TRANSFER: ATX90A]

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B

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a.

Install the spline socket (A) [SST: KV10119400 (

—

)] to

transfer assembly in the figure.

b.

When turn the shaft in (B) direction, check returning to (C) direc-
tion by spring power.

CAUTION:

The maximum turning force shall be 30 N·m (3.1 kg-m, 22 ft-
lb).

c.

When turn the shaft in (C) direction, check locking the shaft.

INSPECTION AFTER INSTALLATION

After driving, check the surface fitting transfer control actuator to transfer assembly for fluid leakage.

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