oil level INFINITI QX56 2006 Factory Service Manual

TRANSFER ASSEMBLYTF-145
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Revision: November 2009 2006 QX56
TRANSFER ASSEMBLYPFP:33100
Removal and InstallationEDS003BF
REMOVAL
1. Remove the drain plug and gasket. Drain the fluid. Refer to TF-11, "DRAINING" .
2. Remove the A/T undercover using power tool.
3. Remove the center exhaust tube and main muffler. Refer to EX-3, "
Removal and Installation" .
4. Remove the front and rear propeller shafts. Refer to PR-4, "
Removal and Installation" (front), PR-8,
"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.
5. Remove the A/T nuts from the A/T crossmember.
6. Position two suitable jacks under the A/T and transfer assembly.
7. Remove the crossmember. Refer to AT- 2 4 6 , "
COMPONENTS" .
WARNING:
Support A/T and transfer assembly using two suitable jacks while removing crossmember.
8. Disconnect the electrical connectors from the following:

AT P s w i t c h

Neutral 4LO switch

Wait detection switch

Transfer motor

Transfer control device

Transfer terminal cord assembly
9. Disconnect each air breather hose from the following. Refer to TF-139, "
Removal and Installation" .

Actuator

Breather tube (transfer)

Transfer motor (case connector)
10. Remove the transfer control device from the extension housing.
11. Remove the transfer to A/T and A/T to transfer bolts. WARNING:
Support transfer assembly with suitable jack while removing it.
12. Remove the transfer assembly.
INSTALLATION
Installation is in the reverse order of removal.

Tighten the bolts to specification.

After installation check the transfer fluid level and for fluid leak-
age. Refer to TF-11, "
TRANSFER FLUID" .

After filling, start the engine and let it run for one minute. Then
stop the engine and recheck the transfer fluid.Bolt length : 45 mm (1.77 in)
Transfer bolt torque : 36 N·m (3.7 kg-m, 27 ft-lb)
SDIA3181E

TF-168
TRANSFER ASSEMBLY
Revision: November 20092006 QX56
6. Align the dowel pin hole and bolt hole of the sub oil pump
assembly with the center case. Install the sub oil pump cover.
Then tighten to the specified torque. Refer to TF-146, "
COMPO-
NENTS" .
7. Apply ATF to the new O-ring and install it to the transfer motor. CAUTION:
Do not reuse O-ring.
8. 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 TF-146, "
COMPONENTS" .
CAUTION:
Be sure to install connector bracket.
9. Assemble the control valve assembly with the following procedure. CAUTION:

Do not reuse any part that has been dropped or damaged.

Make sure valve is assembled in the proper direction.

Do not use a magnet because residual magnetism stays during assembly.
a. Clean the upper body, control valves and springs with cleaning agent, and dry with compressed air.
b. Dip the control valves in ATF, and apply ATF to the valve-mount- ing area of the upper body.
c. Install each control valve, spring, and plug to the upper body, and install retainer plates to hold them in place.
CAUTION:

To insert control valves into upper body, place upper
body on a level surface in order to prevent flaw or dam-
age.

Make sure each control valve is smoothly inserted.
SDIA2328E
SDIA2787E
SDIA3317E
SDIA2127E