Infiniti QX56 (JA60). Manual — part 314
SERVICE DATA AND SPECIFICATIONS (SDS)
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[ATX14B]
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification
INFOID:0000000005148896
Inspection and Adjustment
INFOID:0000000005148897
CLEARANCE BETWEEN INNER GEAR AND OUTER GEAR
Unit: mm (in)
CLUTCH
Unit: mm (in)
PINION GEAR END PLAY
Unit: mm (in)
CLEARANCE BETWEEN SHIFT FORK AND SLEEVE
Unit: mm (in)
SELECTIVE PARTS
Sub-oil Pump
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Applied model
4WD
VK56DE
A/T
Transfer model
ATX14B
Fluid capacity (Approx.)
(US qt, lmp qt)
3.0 (3-1/8, 2-5/8)
Gear ratio
High
1.000
Low
2.625
Number of teeth
Planetary
gear
Sun gear
57
Internal gear
91
Front drive sprocket
38
Front drive shaft
38
Item
Specification
Sub-oil pump
0.015 - 0.035 (0.0006 - 0.0014)
Main oil pump
0.015 - 0.035 (0.0006 - 0.0014)
Item
Limit value
Drive plate
1.4 (0.055)
Item
Standard
Pinion gear end play
0.1 - 0.7 (0.004 - 0.028)
Item
Standard
Shift fork and sleeve
Less than 0.36 (0.0142)
Gear thickness
Part number*
Inner gear
Outer gear
9.27 - 9.28 (0.3650 - 0.3654)
31346 0W462
31347 0W462
9.28 - 9.29 (0.3654 - 0.3657)
31346 0W461
31347 0W461
9.29 - 9.30 (0.3657 - 0.3661)
31346 0W460
31347 0W460
DLN-180
< SERVICE DATA AND SPECIFICATIONS (SDS)
[ATX14B]
SERVICE DATA AND SPECIFICATIONS (SDS)
Main Oil Pump
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Control Valve
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Control Valve Spring
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Return Spring
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Gear thickness
Part number*
Inner gear
Outer gear
8.27 - 8.28 (0.3256 - 0.3260)
31346 7S112
31347 7S112
8.28 - 8.29 (0.3260 - 0.3264)
31346 7S111
31347 7S111
8.29 - 8.30 (0.3264 - 0.3268)
31346 7S110
31347 7S110
Mounting position
(Part name)
Part number*
Outer dia.
Overall length
L1
(2-4 shift valve)
31772 21X00
8.0 (0.315)
38.5 (1.516)
L2
(Clutch valve)
31772 80X11
10.0 (0.394)
40.0 (1.575)
L4
(Pilot valve)
31772 80X11
10.0 (0.394)
40.0 (1.575)
L5
(Regulator valve)
31741 0W410
12.0 (0.472)
68.0 (2.677)
Mounting position
(Part name)
Part number*
Free length
Outer dia.
Overall length
L1
(2-4 shift valve spring)
31742 2W500
31.85 (1.2539)
7.0 (0.276)
0.6 (0.024)
L2
(Clutch valve spring)
31742 2W505
40.6 (1.598)
8.9 (0.350)
0.7 (0.028)
L4
(Pilot valve spring)
31742 0W410
28.1 (1.106)
9.0 (0.354)
1.2 (0.047)
L5
(Regulator valve spring)
31742 2W515
39.7 (1.563)
11.0 (0.433)
1.3 (0.051)
Stamped mark
Part number*
Free length
1
31521 7S111
42.7 (1.168)
2
31521 7S112
43.1 (1.697)
3
31521 7S113
43.6 (1.717)
4
31521 7S114
44.0 (1.731)
PRECAUTIONS
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005335152
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000005335151
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the
″ACC″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
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< PRECAUTION >
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PRECAUTIONS
5. When the repair work is completed, return the ignition switch to the
″LOCK″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-III.
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