2007 INFINITI QX56 Factory Service Manual

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Page 2945 of 3061

INFINITI QX56 2007 Factory Service Manual AIR BREATHER HOSE
TF-123
< SERVICE INFORMATION >
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• Install clip C on actuator/transfer motor air breather hose and
transfer air breather hose with the paint mark matc

Page 2946 of 3061

INFINITI QX56 2007 Factory Service Manual TF-124
< SERVICE INFORMATION >
AIR BREATHER HOSE
• Install the transfer air breather hose into the breather tube
(transfer, metal connector) until the hose end reaches the
base of the tube. Set tran

Page 2947 of 3061

INFINITI QX56 2007 Factory Service Manual TRANSFER MOTOR
TF-125
< SERVICE INFORMATION >
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TRANSFER MOTOR
Removal and InstallationINFOID:0000000003532568
REMOVAL
1. Disconnect the transfer motor connector.
2. Remo

Page 2948 of 3061

INFINITI QX56 2007 Factory Service Manual TF-126
< SERVICE INFORMATION >
TRANSFER OIL FILTER
TRANSFER OIL FILTER
Removal and InstallationINFOID:0000000003532569
REMOVAL
1. Remove the oil filter bolts and oil filter.
CAUTION:
• Do not damage

Page 2949 of 3061

INFINITI QX56 2007 Factory Service Manual TRANSFER OIL FILTER
TF-127
< SERVICE INFORMATION >
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3. Apply ATF to the two new O-rings (1), and install them on the oil
filter (2).
CAUTION:
Do not reuse O-rings.
4. In

Page 2950 of 3061

INFINITI QX56 2007 Factory Service Manual TF-128
< SERVICE INFORMATION >
TRANSFER ASSEMBLY
TRANSFER ASSEMBLY
Removal and InstallationINFOID:0000000003532570
REMOVAL
1. Remove the drain plug and gasket. Drain the fluid. Refer to TF-11, "Replac

TF-128
< SERVICE INFORMATION >
TRANSFER ASSEMBLY
TRANSFER ASSEMBLY
Removal and InstallationINFOID:0000000003532570
REMOVAL
1. Remove the drain plug and gasket. Drain the fluid. Refer to TF-11, "Replacement".
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-223, "
Removal and Installation (2WD)".
WARNING:
Support A/T and transfer assembly using two suitable jacks while removing crossmember.
8. Disconnect the electrical connectors from the following:
•ATP switch
• 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-122, "
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 leakage.
Refer to TF-11
.
• After filling, start the engine and let it run for one minute. Then stop
the engine and recheck the transfer fluid.
Disassembly and AssemblyINFOID:0000000003532571
COMPONENTS
Bolt length : 45 mm (1.77 in)
Transfer bolt torque : 36 N·m (3.7 kg-m, 27 ft-lb)
SDIA3181E

Page 2951 of 3061

INFINITI QX56 2007 Factory Service Manual TRANSFER ASSEMBLY
TF-129
< SERVICE INFORMATION >
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1. 2-4 sleeve 2. L-H sleeve 3. Snap ring
4. Internal gear 5. Planetary carrier assembly 6. Metal bushing
7. Needle bear

Page 2952 of 3061

INFINITI QX56 2007 Factory Service Manual TF-130
< SERVICE INFORMATION >
TRANSFER ASSEMBLY
DISASSEMBLY
Rear Case
1. Dust cover 2. Rear oil seal 3. Rear case
4. Breather tube 5. Seal ring 6. Main oil pump cover
7. Inner gear 8. Outer gear 9. M

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