Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti FX45 FX35 2003-2005 Approved FX45_35-S50-2003 ffd

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FRONT FINAL DRIVE

D DRIVELINE/AXLE

SECTION
FRONT FINAL DRIVE
FFD B

FFD

E
CONTENTS
PRECAUTIONS ......................................................... 2
. COMPONENTS (VK45DE) ................................ 16 . F
Precautions ............................................................. 2
. Side Shaft .............................................................. 18
.
PREPARATION .......................................................... 3
. BEARING AND OIL SEAL REPLACEMENT ...... 18 .
Special Service Tools .............................................. 3
. EXTENSION TUBE REPLACEMENT ................ 19 . G
Commercial Service Tools ....................................... 5 . PRE-DISASSEMBLY INSPECTION ................... 19 .
NOISE, VIBRATION AND HARSHNESS (NVH) DISASSEMBLY AND ASSEMBLY ...................... 21 .
TROUBLESHOOTING ............................................... 6 . Differential Case Assembly ................................... 24 .
H
NVH Troubleshooting Chart .................................... 6 . Installation Drive Pinion Assembly ........................ 27 .
FRONT OIL SEAL ..................................................... 7. DIFFERENTIAL CASE INSTALLATION ............. 28 .
Removal and Installation ......................................... 7. TOOTH CONTACT INSPECTION ...................... 30 .
REMOVAL ............................................................ 7
. TOOTH CONTACT ADJUSTMENT .................... 31 . I
INSTALLATION .................................................... 8
. TOTAL PRELOAD INSPECTION ....................... 33 .
SIDE OIL SEAL ......................................................... 9
. DRIVE PINION PRELOAD ADJUSTMENT ........ 33 .
Removal and Installation ......................................... 9. After Inspection ...................................................... 35
. J
REMOVAL ............................................................ 9
. Carrier Cover Installation ....................................... 37 .
INSTALLATION .................................................... 9
. SERVICE DATA AND SPECIFICATIONS (SDS) ..... 38 .
FRONT FINAL DRIVE ASSEMBLY ......................... 10 . General Specifications ........................................... 38 .
K
Removal and Installation (VQ35DE) ..................... 10 . Drive Gear Runout ................................................. 38.
REMOVAL .......................................................... 10
. Side Gear Adjustment ........................................... 38 .
INSTALLATION .................................................. 10. AVAILABLE SIDE GEAR THRUST WASHERS... 38
Removal and Installation (VK45DE) .......................11 . SIDE BEARING PRELOAD ADJUSTING SHIMS 38 ... L
REMOVAL ...........................................................11
. Drive Pinion Height Adjustment ............................. 39 .
INSTALLATION ...................................................11. AVAILABLE PINION HEIGHT ADJUSTING
Front Final Drive Breather Hose ........................... 12 . WASHERS ......................................................... 39. M
REMOVAL AND INSTALLATION (VQ35DE) ...... 12 . Drive Pinion Preload Adjustment ........................... 39 .
REMOVAL AND INSTALLATION (VK45DE) ...... 13 . AVAILABLE PINION HEIGHT ADJUSTING
Components .......................................................... 14
. WASHERS ......................................................... 39.
COMPONENTS (VQ35DE) ................................ 14 . Total Preload Adjustment ....................................... 39 .

Revision; 2004 April FFD-1 2003 FX
PRECAUTIONS

PRECAUTIONS PFP:00001

Precautions ADS000N3

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

Revision; 2004 April FFD-2 2003 FX
PREPARATION

PREPARATION PFP:00002
A
Special Service Tools ADS000N4

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number (Kent-Moore No.)
B
Description
Tool name

C
ST33400001 (J26082) q Installing front oil seal
a: 60 mm (2.36 in) dia.
b: 47 mm (1.85 in) dia. q Installing right side oil sea
FFD
Drift

ZZA0702D

q Removing side bearing outer race
ST33290001 (J34286)
q Removing side oil seal F
Outer race puller
q Removing front oil seal

ZZA0601D
G

ST3306S001 (

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