Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti QX56 JA60 2004-2005 Approved 2005_QX56 ffd

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D DRIVELINE/AXLE

SECTION
FRONT FINAL DRIVE
FFD B

FFD

E
CONTENTS
PRECAUTIONS ......................................................... 2
. REAR COVER GASKET .......................................... 10 . F
Precautions for Supplemental Restraint System Removal and Installation ....................................... 10
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- REMOVAL .......................................................... 10
.
SIONER" ................................................................. 2
. INSTALLATION .................................................. 10
. G
Precautions ............................................................. 2
. FRONT FINAL DRIVE ASSEMBLY ......................... 11 .
PREPARATION .......................................................... 3
. Removal and Installation ....................................... 11
.
Special Service Tools .............................................. 3
. REMOVAL .......................................................... 11
.
H
Commercial Service Tools ....................................... 5 . INSTALLATION .................................................. 12
.
NOISE, VIBRATION AND HARSHNESS (NVH) Disassembly and Assembly ................................... 13 .
TROUBLESHOOTING ............................................... 6 . COMPONENTS .................................................. 13
.
NVH Troubleshooting Chart .................................... 6 . ASSEMBLY INSPECTION AND ADJUSTMENT 14 ... I
FRONT OIL SEAL ..................................................... 7. DISASSEMBLY .................................................. 17
.
Removal and Installation ......................................... 7. INSPECTION AFTER DISASSEMBLY ............... 22 .
REMOVAL ............................................................ 7
. ADJUSTMENT AND SELECTION OF ADJUST- J
INSTALLATION .................................................... 8
. ING WASHERS .................................................. 23
.
SIDE OIL SEALS ....................................................... 9
. ASSEMBLY ........................................................ 24
.
Removal and Installation ......................................... 9. SERVICE DATA AND SPECIFICATIONS (SDS) ..... 32 .
K
REMOVAL ............................................................ 9
. General Specifications ........................................... 32
.
Side Gear Adjustment ........................................... 32
.
Total Preload Adjustment ....................................... 32
.
Drive Pinion Height Adjustment ............................. 33 . L

Revision: October 2005 FFD-1 2005 QX56
PRECAUTIONS

PRECAUTIONS PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EDS003PC

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 SRS and SB section of this Service Man-
ual.
WARNING:
G 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 per-
formed by an authorized NISSAN/INFINITI dealer.
G Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
G 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
harness connectors.
Precautions EDS003PD

CAUTION:
G Before starting diagnosis of the vehicle, understand symptoms well. Perform correct and system-
atic operations.
G Check for the correct installation status prior removal or disassembly. When matching marks are
required, be sure they do not interfere with the function of the parts they are applied to.
G Carry out an overhaul in a clean work place, Using a dust proof room is recommended.
G Before disassembly, using steam or white gasoline, completely remove sand and mud from the
exterior the unit, preventing them from entering into the unit during disassembly or assembly.
G Check appearance of the disassembled parts for damage, deformation, and abnormal wear. If a
malfunction is detected, replace it with a new one.
G Normally replace lock pins, oil seals, and bearings with new ones every times they are removed.
G In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to out-
side. If tightening sequence is specified, observe it.
G Clean and flush the parts sufficiently and blow them dry.
G Be careful not to damage the sliding surfaces and mating surface.
G When applying sealant, remove the old sealant from the mounting surface; then remove any mois-
ture, oil, and foreign materials from the application and mounting surfaces.
G Always use shop paper for cleaning the inside of components.
G Avoid using cotton gloves or a shop cloth to prevent entering of lint.
G During assembly, observe the specified tightening torque, and new differential gear oil, Vaseline,
or multi-purpose grease, as specified for each vehicle, when necessary.

Revision: October 2005 FFD-2 2005 QX56
PREPARATION

PREPARATION PFP:00002
A
Special Service Tools EDS003PE

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
B
(Kent-Moore No.) Description
Tool name
ST35271000 Installing drive pinion front bearing outer race.
( -- ) a: 72 mm (2.83 in) dia. C
Drift b: 36 mm (1.42 in) dia.

FFD

ZZA0702D

KV38100500 Installing front oil seal. E
(J-25273) a: 80 mm (3.15 in) dia.
Drift b: 60 mm (2.36 in) dia.

ZZA0811D
G
G Removing side bearing inner race.
ST30021000 G Removing drive pinion rear bearing inner
( -- ) race.
Puller H

ZZA0700D I
KV38100300 Installing side bearing inner race.
(J-25523) a: 54 mm (2.13 in) dia.
Drift b: 46 mm (1.81 in) dia. J
c: 32 mm (1.26 in) dia.

K
ZZA1046D

ST30901000 Installing drive pinion rear bearing outer race.
( -- ) A: 79mm (3.11 in) dia. L
Drift B: 45 mm (1.77 in) dia.
C: 35.2 mm (1.39 in) dia.

SDIA0217J

KV40104810 Installing drive pinion front bearing outer race.
( -- ) a: 68 mm (2.68 in) dia.
Drift b: 55 mm (2.17 in) dia.

ZZA1003D

KV38102200 Installing front oil seal.
( -- ) a: 90 mm (3.54 in) dia.
Drift b: 55.3 mm (2.18 in) dia.
c: 31 mm (1.22 in) dia.

NT107

Revision: October 2005 FFD-3 2005 QX56
PREPARATION

Tool number
(Kent-Moore No.) Description
Tool name
ST33081000 Removing and installing side bearing inner
( -- ) race.
Adapter a: 33.5 mm (1.32 in) dia.
b: 43 mm (1.69 in) dia.

ZZA0881D

KV38108300 Removing and installing drive pinion nut.
(6958)
Spanner wrench

LBIA0457E

ST3127S000 Inspecting drive pinion bearing preload and to-
(J-25765-A) tal preload
Preload gauge
1: GG91030000
(J-25765)
Torque wrench
2: HT62940000
( -- )
Socket adapter (1/2)
3: HT62900000 NT124

( -- )
Socket adapter (3/8)
-- Installing drive pinion rear bearing inner race.
(C-4040)
Installer

SDIA2607E

KV40105230 Installing drive pinion rear bearing outer race.
( -- ) a: 92 mm(3.62 in) dia.
Drift b: 86 mm (3.39 in) dia.

ZZA1141D

-- G Removing drive pinion front bearing outer
(C-4171) race
Handle G Removing drive pinion rear bearing outer
race

LDIA0134E

Revision: October 2005 FFD-4 2005 QX56
PREPARATION

Tool number
(Kent-Moore No.) Description A
Tool name
-- Removing drive pinion front bearing outer race
(D-103) B
Remover

LDIA0135E

-- Removing drive pinion rear bearing outer race FFD
(C-4307)
Remover

LDIA0135E

F
Commercial Service Tools EDS003PF

Tool name Description
G
Slide hammer G Removing front oil seal
G Removing side oil seal

LDIA0133E I
Power tool Loosening bolts and nuts

K
PBIC0190E

Revision: October 2005 FFD-5 2005 QX56
Symptom

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