Infiniti QX56 (JA60). Manual — part 304

AIR BREATHER HOSE

DLN-139

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8. Install the transfer motor air breather hose into the transfer

motor (case connector) until the hose end reaches the end of

the curved section. Set transfer motor air breather hose with

paint mark facing leftward.

SDIA3194E

DLN-140

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TRANSFER MOTOR

TRANSFER MOTOR

Removal and Installation

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REMOVAL

1. Disconnect the transfer motor connector.
2. Remove the transfer motor air breather hose from the transfer

motor. Refer to

DLN-137, "Removal and Installation"

.

3. Remove the transfer motor bolts.
4. Remove the transfer motor.

INSTALLATION

1. Apply ATF to the new O-ring and install it to the transfer motor.

CAUTION:

Do not reuse O-rings.

2. Fit the double-flat end of the transfer motor shaft into the slot of

the sub-oil pump assembly. Then tighten to the specified torque.

Refer to

DLN-140, "Removal and Installation"

.

CAUTION:

Be sure to install connector bracket.

3. Install the transfer motor air breather hose to the transfer motor.

Refer to

DLN-137, "Removal and Installation"

.

4. Connect the transfer motor connector.
5. Check the transfer fluid. Refer to

DLN-129, "Replacement"

.

6. Start the engine for one minute. Then stop the engine and recheck the transfer fluid. Refer to

DLN-129,

"Inspection"

.

SDIA2133E

SDIA2787E

TRANSFER ASSEMBLY

DLN-141

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REMOVAL AND INSTALLATION

TRANSFER ASSEMBLY

Removal and Installation

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REMOVAL

1. Set transfer state as 2WD when 4WD shift switch is at 2WD.
2. Remove the undercovers using power tool.
3. Drain the transfer fluid. Refer to

TM-150, "Changing the A/T Fluid (ATF)"

.

4. Remove the center exhaust tube and main muffler. Refer to

EX-6, "Removal and Installation"

.

5. Remove the front and rear propeller shafts. Refer to

DLN-186, "Removal and Installation"

(front),

DLN-

196, "Removal and Installation"

(rear).

CAUTION:

Do not damage spline, sleeve yoke and rear oil seal when removing rear propeller shaft.

NOTE:

Insert a plug into the rear oil seal after removing the rear propeller shaft.

6. Remove the A/T nuts from the A/T crossmember. Refer to

TM-188, "Removal and Installation (4WD)"

.

7. Position two suitable jacks under the A/T and transfer assembly.
8. Remove the crossmember. Refer to

TM-188, "Removal and Installation (4WD)"

.

WARNING:

Support A/T and transfer assembly using two suitable jacks while removing crossmember.

9. Disconnect the electrical connectors from the following:

• ATP switch

• Neutral 4LO switch

• Wait detection switch

• Transfer motor

• Transfer control device

• Transfer terminal cord assembly

10. Disconnect each air breather hose from the following. Refer to

DLN-137, "Removal and Installation"

.

• Actuator

• Breather tube (transfer)

• Transfer motor

11. Remove the transfer control device from the extension housing.
12. Remove the transfer to A/T and A/T to transfer bolts.
13. Remove the transfer assembly.

WARNING:

Support transfer assembly with suitable jack while removing it.

CAUTION:

Do not damage rear oil seal (A/T).

INSTALLATION

Installation is in the reverse order of removal.

• Tighten the bolts to specification.

• Fill the transfer with new fluid and check for fluid leakage and fluid

level. Refer to

DLN-129, "Replacement"

.

• Start the engine for one minute. Then stop the engine and recheck

the transfer fluid. Refer to

DLN-129, "Inspection"

.

Transfer bolt torque

: 36 N·m (3.7 kg-m, 27 ft-lb)

SMT872C

DLN-142

< DISASSEMBLY AND ASSEMBLY >

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TRANSFER ASSEMBLY

DISASSEMBLY AND ASSEMBLY

TRANSFER ASSEMBLY

Disassembly and Assembly

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COMPONENTS

1.

2-4 sleeve

2.

L-H sleeve

3.

Snap ring

4.

Internal gear

5.

Planetary carrier assembly

6.

Metal bushing

7.

Needle bearing

8.

Sun gear

9.

Carrier bearing

10.

Snap ring

11.

Snap ring

12.

Input bearing

13.

Wait detection switch

14.

Check plug

15.

Check spring

16.

Check ball

17.

Front case

18.

Snap ring

19.

Input oil seal

20.

Shift cross

21.

Side oil seal

22.

Lock pin

23.

Shift lever

24.

Gasket

25.

Drain plug

26.

Front oil seal

27.

Companion flange

28.

Self-lock nut

29.

Mainshaft

30.

Needle bearing

31.

Front bearing

32.

Front drive shaft

33.

Rear bearing

34.

Spacer

35.

Drive chain

36.

Clutch drum

37.

Snap ring

38.

Clutch hub

39.

Snap ring

AWDIA0014GB