Infiniti Q45. Manual — part 766
RFD-1
REAR FINAL DRIVE
D DRIVELINE/AXLE
CONTENTS
C
E
F
G
H
I
J
K
L
M
SECTION
RFD
A
B
RFD
REAR FINAL DRIVE
PRECAUTIONS . . . . . . . . . . . . . . .. 2
Service Notice or Precautions . . . . . . . . .. 2
PREPARATION . . . . . . . . . . . . . . ... 3
Special Service Tools . . . . . . . . . . . ... 3
Commercial Service Tools . . . . . . . . . . 6
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING . . . . . . . . . . . . 7
NVH Troubleshooting Chart . . . . . . . . . . 7
DESCRIPTION . . . . . . . . . . . . . . . 8
Cross-Sectional View . . . . . . . . . . . ... 8
DIFFERENTIAL GEAR OIL . . . . . . . . . . 9
Changing Differential Gear Oil . . . . . . . . . 9
DRAINING . . . . . . . . . . . . . . . . 9
FILLING . . . . . . . . . . . . . . . . . 9
Checking Differential Gear Oil . . . . . . . . .. 9
OIL LEAKAGE AND OIL LEVEL . . . . . . ... 9
FRONT OIL SEAL . . . . . . . . . . . . . 10
Removal and Installation . . . . . . . . . . 10
SIDE OIL SEAL . . . . . . . . . . . . . . 14
Removal and Installation . . . . . . . . . . 14
REMOVAL . . . . . . . . . . . . . . ... 14
INSTALLATION . . . . . . . . . . . . ... 14
REAR FINAL DRIVE ASSEMBLY . . . . . . . 16
Removal and Installation . . . . . . . . . . 16
Disassembly and Assembly . . . . . . . . . 18
SERVICE DATA AND SPECIFICATIONS (SDS) . .. 37
General Specifications . . . . . . . . . . . 37
Inspection and Adjustment . . . . . . . . . . 37
RFD-2
PRECAUTIONS
PRECAUTIONS
PFP:00001
Service Notice or Precautions
NDS00060
●
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.
●
Overhaul should be done in a clean work area, it is preferable to work in dustproof area.
●
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.
●
Check appearance of the disassembled parts for damage, deformation, and unusual wear. Replace them
with a new ones if necessary.
●
Gaskets, seals and O-rings should be replaced any time when the unit is disassembled.
●
In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to outside. If
tightening sequence is specified, observe it.
●
Clean and flush the parts sufficiently and blow-dry them.
●
Be careful not to damage sliding surfaces and mating surfaces.
●
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.
●
Always use shop paper for cleaning the inside of components.
●
Avoid using cotton gloves or shop rags to prevent entering of lint.
●
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.
PREPARATION
RFD-3
C
E
F
G
H
I
J
K
L
M
A
B
RFD
PREPARATION
PFP:00002
Special Service Tools
NDS00061
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
KV381054S0
(J-34286)
Puller
Removing front oil seal
ST30720000
(J-25405)
Drift
a: 77 mm (3.03 in) dia.
b: 55.5 mm (2.185 in) dia.
●
Installing front oil seal
●
Installing pinion rear bearing outer race
KV40101000
(
—
)
Attachment
Removing side flange
ST36230000
(J-25840-A)
Sliding hammer
Removing side flange
KV38100200
(J-26233)
Drift
a: 65 mm (2.56 in) dia.
b: 49 mm (1.93 in) dia.
Installing side oil seal
KV38107900
(J-39352)
Protector
Installing side flange
KV38100800
(J-25604-01)
Attachment
a: 541 mm (21.30 in)
b: 200 mm (7.87 in)
Fixing unit assembly
ZZA0601D
ZZA0811D
NT159
ZZA0803D
ZZA1143D
S-NT129
SDIA0267E
RFD-4
PREPARATION
ST3127S000
(J-25765-A)
Preload gauge
1: GG91030000
(J-25765)
Torque wrench
2: HT62940000
(
—
)
Socket adapter (1/2
″
)
3: HT62900000
(
—
)
Socket adapter (3/8
″
)
Measuring pinion bearing preload and total
preload
KV10111100
(J-37228)
Seal cutter
Removing rear cover
ST3306S001
(J-22888-D)
Differential side bearing puller set
1: ST33051001
(J-22888-20)
Puller
2: ST33061000
(J-8107-2)
Base
a: 28.5 mm (1.122 in) dia.
b: 38 mm (1.50 in) dia.
Removing and installing side bearing inner
race
ST30031000
(J-22912-01)
Replacer
Removing pinion rear bearing inner race
KV40105230
(
—
)
Drift
a: 92 mm (3.62 in) dia.
b: 86 mm (3.39 in) dia.
c: 45 mm (1.77 in) dia.
Installing pinion rear bearing outer race
ST30613000
(J-25742-3)
Drift
a: 72 mm (2.83 in) dia.
b: 48 mm (1.89 in) dia.
Installing pinion front bearing outer race
Tool number
(Kent-Moore No.)
Tool name
Description
NT124
S-NT046
NT072
ZZA0700D
PDIA0591E
ZZA1000D
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