Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti M45 M35 Y50 2006-2007 Approved M45_M35-Y50-2007 ffd

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FRONT FINAL DRIVE

D DRIVELINE/AXLE

SECTION
FRONT FINAL DRIVE
FFD B

FFD

E
CONTENTS
PRECAUTIONS ......................................................... 2
. SIDE OIL SEAL ........................................................ 11
. F
Precautions Necessary for Steering Wheel Rotation Removal and Installation ....................................... 11
.
After Battery Disconnect ......................................... 2 . REMOVAL .......................................................... 11
.
OPERATION PROCEDURE ................................ 2 . INSTALLATION .................................................. 11
. G
Service Notice or Precautions ................................. 2 . FRONT FINAL DRIVE ASSEMBLY ......................... 13 .
PREPARATION .......................................................... 3
. Removal and Installation ....................................... 13
.
Special Service Tools .............................................. 3
. COMPONENTS .................................................. 13
.
H
Commercial Service Tools ....................................... 5 . REMOVAL .......................................................... 13
.
NOISE, VIBRATION AND HARSHNESS (NVH) INSTALLATION .................................................. 14
.
TROUBLESHOOTING ............................................... 6 . Disassembly and Assembly ................................... 15 .
NVH Troubleshooting Chart .................................... 6 . COMPONENTS .................................................. 15
. I
DESCRIPTION ........................................................... 7
. ASSEMBLY INSPECTION AND ADJUSTMENT 16 ...
Cross-Sectional View .............................................. 7. DISASSEMBLY .................................................. 20
.
DIFFERENTIAL GEAR OIL ....................................... 8 . INSPECTION AFTER DISASSEMBLY ............... 24 . J
Changing Differential Gear Oil ................................ 8 . ADJUSTMENT AND SELECTION OF ADJUST-
DRAINING ............................................................ 8
. ING WASHERS (SHIMS) ................................... 25 .
FILLING ................................................................ 8
. ASSEMBLY ........................................................ 28
.
K
Checking Differential Gear Oil ................................. 8 . SERVICE DATA AND SPECIFICATIONS (SDS) ..... 35 .
OIL LEAKAGE AND OIL LEVEL .......................... 8 . General Specifications ........................................... 35
.
FRONT OIL SEAL ..................................................... 9. Inspection and Adjustment .................................... 35.
Removal and Installation ......................................... 9 . DRIVE GEAR RUNOUT ..................................... 35 . L
REMOVAL ............................................................ 9
. DIFFERENTIAL SIDE GEAR CLEARANCE ...... 35 .
INSTALLATION .................................................. 10 . PRELOAD TORQUE .......................................... 35 .
BACKLASH ........................................................ 35
. M
COMPANION FLANGE RUNOUT ...................... 35 .
SELECTIVE PARTS ........................................... 35 .

Revision: 2007 April FFD-1 2007 M35/M45
PRECAUTIONS

PRECAUTIONS PFP:00001

Precautions Necessary for Steering Wheel Rotation After Battery Disconnect
NDS000EK

NOTE:
q This Procedure is applied only to models with Intelligent Key system and NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).
q Remove and install all control units after disconnecting both battery cables with the ignition knob in the
LOCK position.
q 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 NVIS/IVIS, an electrically controlled steering lock
mechanism 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.
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.
Service Notice or Precautions NDS000EL

q Check for the correct installation status prior to removal or disassembly. If matching marks are required,
be certain they do not interfere with the function of the parts when applied.
q Overhaul should be done in a clean work area, it is preferable to work in dustproof area.
q Before disassembly, using steam or white gasoline, completely remove sand and mud from the exterior of
the unit, preventing them from entering into the unit during disassembly or assembly.
q Check appearance of the disassembled parts for damage, deformation, and unusual wear. Replace them
with a new ones if necessary.
q Gaskets, seals and O-rings should be replaced any time when the unit is disassembled.
q In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to outside. If
tightening sequence is specified, observe it.
q Clean and flush the parts sufficiently and blow-dry them.
q Be careful not to damage sliding surfaces and mating surfaces.
q When applying sealant, remove the old sealant from the mounting surface; then remove any moisture, oil,
and foreign materials from the application and mounting surfaces.
q Always use shop paper for cleaning the inside of components.
q Avoid using cotton gloves or shop rags to prevent entering of lint.
q During assembly, observe the specified tightening torque, and apply new gear oil, petroleum jelly, or multi-
purpose grease as specified for each vehicle, if necessary.

Revision: 2007 April FFD-2 2007 M35/M45
PREPARATION

PREPARATION PFP:00002
A
Special Service Tools NDS000EM

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

KV381054S0 q Removing front oil seal
C
(J-34286) q Removing side oil seal(right side)
Puller
q Removing side bearing outer race
FFD

ZZA0601D

ST33400001 q Installing front oil seal
E
(J-26082) q Installing side oil seal (right side)
Drift
a: 60 mm (2.36 in) dia.
F
b: 47 mm (1.85 in) dia.

ZZA0702D
G
KV38102510 Installing front oil seal
( -- )
Drift
H
a: 71 mm (2.80 in) dia.
b: 65 mm (2.56 in) dia.

I
ZZA0838D

KV38102100 Installing side oil seal (left side)
(J-25803-01)
Drift J
a: 44 mm (1.73 in) dia.
b: 36 mm (1.42 in) dia.
c: 24.5 mm (0.965 in) dia.
K
ZZA1046D

ST30032000 q Installing pinion rear bearing inner race
(J-26010-01) L
q Installing side shaft
Drift
a: 80 mm (3.15 in) dia.
b: 38 mm (1.50 in) dia.
c: 31 mm (1.22 in) dia.
M

S-NT107

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

( -- )
Socket adapter (3/8)

Revision: 2007 April FFD-3 2007 M35/M45
PREPARATION

Tool number
(Kent-Moore No.) Description
Tool name

KV10111100 Removing carrier cover
(J-37228)
Seal cutter

S-NT046

ST3306S001 Removing and installing side bearing inner
(J-22888-D) race
Differential side bearing puller set
1: ST33051001
(J-22888-20)
Puller
2: ST33061000
(J-8107-2)
Base
NT072
a: 28.5 mm (1.122 in) dia.
b: 38 mm (1.50 in) dia.
ST30031000 Removing pinion rear bearing inner race
(J-22912-01)
Replacer

ZZA0700D

KV31103000 Installing side bearing outer race
(J-38982)
Drift
a: 49 mm (1.93 in) dia.
b: 70 mm (2.76 in) dia.

ZZA1113D

ST30611000 Installing side bearing outer race (Use with
(J-25742-1) KV31103000)
Drift bar

S-NT090

ST37820000 Installing pinion front and rear bearing outer
( -- ) race
Drift
a: 39 mm (1.54 in) dia.
b: 72 mm (2.83 in) dia.

ZZA0836D

ST33230000 Installing side bearing inner race
(J-25805-01)
Drift
a: 51 mm (2.01 in) dia.
b: 41 mm (1.61 in) dia.
c: 28.5 mm (1.122 in) dia.

ZZA1046D

Revision: 2007 April FFD-4 2007 M35/M45
PREPARATION

Tool number
(Kent-Moore No.) Description A
Tool name

KV38100200 Installing side shaft oil seal
( -- ) B
Drift
a: 65 mm (2.56 in) dia.
b: 49 mm (1.93 in) dia.
C

ZZA1143D

(J-8129) Measuring turning torque FFD
Spring gauge

NT127
F
Commercial Service Tools NDS000EN

Tool name Description
G
Flange wrench Removing and installing drive pinion lock nut

NT035 I
Spacer Installing pinion front bearing inner race
a: 60 mm (2.36 in) dia.
b: 36 mm (1.42 in) dia. J
c: 30 mm (1.18 in)

K
ZZA1133D

Power tool Loosening bolts and nuts
L

PBIC0190E

Revision: 2007 April FFD-5 2007 M35/M45
Symptom

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