2004 INFINITI QX56 service

PREPARATION
FAX-3
C
E
F
G
H
I
J
K
L
MA
B
FA X
Revision: August 20072004 QX56
PREPARATIONPFP:00002
Special Service ToolsEDS001B3
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tools EDS001B4
Tool number
(Kent-Moore No.)
Tool nameDescription
ST29020001
(J-24319-01)
Gear arm pullerRemoving ball joint for steering knuckle
a: 34 mm (1.34 in)
b: 6.5 mm (0.256 in)
c: 61.5 mm (2.421 in)
NT694
Tool nameDescription
Power toolsRemoving bolts and nuts
PBIC0190E

WHEEL HUB
FAX-5
C
E
F
G
H
I
J
K
L
MA
B
FA X
Revision: August 20072004 QX56
WHEEL HUBPFP:43202
On-Vehicle Inspection and ServiceEDS001AJ
Make sure the mounting conditions (looseness, backlash) of each component and component status (wear,
damage) are normal.
WHEEL BEARING INSPECTION

Move wheel hub in the axial direction by hand. Make sure there
is no looseness of wheel bearing.

Rotate wheel hub and make sure there is no unusual noise or
other irregular conditions. If there are any irregular conditions,
replace wheel hub and bearing assembly.
Removal and InstallationEDS001AK
REMOVAL
1. Remove wheel and tire using power tool.
2. Remove engine under cover using power tool.
3. Without disassembling the hydraulic lines, remove caliper torque member bolts using power tool. Then
reposition brake caliper aside with wire. Refer to BR-22, "
Removal and Installation of Brake Caliper and
Disc Rotor" .
NOTE:
Do not press brake pedal while brake caliper is removed.Axial end play limit : 0.05 mm (0.002 in) or less
SM A57 1A
1. Disc rotor 2. Wheel hub and bearing assembly 3. Wheel stud
4. Splash guard 5. Steering knuckle
WDIA0043E

SERVICE DATA AND SPECIFICATIONS (SDS)
FAX-13
C
E
F
G
H
I
J
K
L
MA
B
FA X
Revision: August 20072004 QX56
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Wheel BearingEDS001AN
Drive ShaftEDS001AO
Wheel bearing axial end play 0.05 mm (0.002 in) or less
Drive shaft joint typeFinal drive side Rzeppa
Wheel side Rzeppa
GreaseQualityNissan Genuine Grease or
equivalent
Capacity Final drive side 130 - 150 g (4.58 - 5.29 oz)
Wheel side 145 - 165 g (5.11 - 5.82 oz)
Boot length Final drive side "L " 145 mm (5.71 in)
Wheel side "L " 168.4 mm (6.63 in)
WDIA0055E

FAX-14
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: August 20072004 QX56

FFD-1
FRONT FINAL DRIVE
D DRIVELINE/AXLE
CONTENTS
C
E
F
G
H
I
J
K
L
M
SECTION FFD
A
B
FFD
Revision: August 20072004 QX56 PRECAUTIONS .......................................................... 2
Precautions .............................................................. 2
Precautions for Liquid Gasket .................................. 2
REMOVAL OF LIQUID GASKET SEALING .......... 2
LIQUID GASKET APPLICATION PROCEDURE ..... 2
PREPARATION ........................................................... 4
Special Service Tools ............................................... 4
Commercial Service Tools ........................................ 6
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ................................................ 7
NVH Troubleshooting Chart ..................................... 7
FRONT OIL SEAL ...................................................... 8
Removal and Installation .......................................... 8
REMOVAL ............................................................. 8
INSTALLATION ..................................................... 9
SIDE OIL SEALS ...................................................... 10
Removal and Installation ........................................ 10
REMOVAL ........................................................... 10
REAR COVER GASKET ...........................................11
Removal and Installation .........................................11
REMOVAL ............................................................11
INSTALLATION ....................................................11FRONT FINAL DRIVE ASSEMBLY .......................... 12
Removal and Installation ........................................ 12
REMOVAL ........................................................... 12
INSTALLATION ................................................... 13
Disassembly and Assembly .................................... 14
COMPONENTS ................................................... 14
ASSEMBLY INSPECTION AND ADJUSTMENT ... 15
DISASSEMBLY ................................................... 17
INSPECTION AFTER DISASSEMBLY ................ 22
ADJUSTMENT AND SELECTION OF ADJUST-
ING WASHERS ................................................... 23
ASSEMBLY ......................................................... 24
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 32
General Specifications ............................................ 32
Inspection and Adjustment ..................................... 32
DIFFERENTIAL SIDE GEAR CLEARANCE ....... 32
PRELOAD TORQUE ........................................... 32
BACKLASH ......................................................... 32
COMPANION FLANGE RUNOUT ....................... 32
SELECTIVE PARTS ............................................ 32

FFD-4
PREPARATION
Revision: August 20072004 QX56
PREPARATIONPFP:00002
Special Service ToolsEDS0035G
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool nameDescription
KV10111100
(J-37228)
Seal cutterRemoving steel oil pan and rear timing chain
case
WS39930000
(—)
Tube presserPressing the tube of liquid gasket
ST35271000
(—)
DriftInstalling drive pinion front bearing outer
race.
a: 72 mm (2.83 in) dia.
b: 36 mm (1.42 in) dia.
KV38100500
(J-25273)
DriftInstalling front oil seal.
a: 80 mm (3.15 in) dia.
b: 60 mm (2.36 in) dia.
ST30021000
(—)
Puller

Removing side bearing inner race.

Removing drive pinion rear bearing inner
race.
KV38100300
(J-25523)
DriftInstalling side bearing inner race.
a: 54 mm (2.13 in) dia.
b: 46 mm (1.81 in) dia.
c: 32mm (1.26 in) dia.
ST30901000
(—)
DriftInstalling drive pinion rear bearing outer race.
A: 79mm (3.11 in) dia.
B: 45 mm (1.77 in) dia.
C: 35.2 mm (1.39 in) dia.
S-NT046
S-NT052
ZZA0702D
ZZA0811D
ZZA0700D
ZZA1046D
SDIA0217J

FFD-6
PREPARATION
Revision: August 20072004 QX56
Commercial Service ToolsEDS0035H
—
(C-4171)
Handle
Removing drive pinion front bearing outer
race

Removing drive pinion rear bearing outer
race
—
(D-103)
RemoverRemoving drive pinion front bearing outer
race
—
(C-4307)
RemoverRemoving drive pinion rear bearing outer
race Tool number
(Kent-Moore No.)
Tool nameDescription
LDIA0134E
LDIA0135E
LDIA0135E
Tool nameDescription
Slide hammer

Removing front oil seal

Removing side oil seal
Power toolLoosening bolts and nuts
LDIA0133E
PBIC0190E

FFD-32
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: August 20072004 QX56
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
General SpecificationsEDS0035O
Inspection and AdjustmentEDS0035P
DIFFERENTIAL SIDE GEAR CLEARANCE
PRELOAD TORQUE
BACKLASH
COMPANION FLANGE RUNOUT
SELECTIVE PARTS
Side Gear Thrust Washer
*: Always check with the Parts Department for the latest parts information.EngineVK56E
Vehicle gradeAll
Final drive modelM205
2-pinion
Gear ratio3.357:1
Number of teeth (Drive gear/Drive pinion) 47/14
Oil capacity (Approx.)
1.6 (3 3/8 US pt, 2 7/8 lmp pt)
Item Specification
Side gear backlash
(Clearance between side gear and differential case)0.20 mm (0.0079 in) or less
Item Specification
Pinion bearing 2.3 - 3.4 N·m (24 - 34 kg-cm, 21 - 30 in-lb)
Total preload 2.98 - 4.76 N·m (0.31 - 0.48 kg-m, 27 - 42 in-lb)
Item Specification
Drive gear to drive pinion gear 0.12 - 0.20 mm (0.0050 - 0.0079 in)
Item Runout limit
Companion flange face 0.10 mm (0.0039 in)
Inner side of the companion flange 0.13 mm (0.0051 in)
Available side gear
thrust washersThickness mm (in) Package part number*
0.76 (0.030)
0.79 (0.031)
0.81 (0.032)
0.84 (0.033)
0.87 (0.034)38424 8S111
0.89 (0.035)
0.91 (0.036)
0.94 (0.037)
0.97 (0.038)
0.99 (0.039)38424 8S112