Classification:

Reference:

Date:

TF16-002E

ITB17-001E

December 13, 2023

FLUID LEAK CAUSED BY TRANSFER ASSEMBLY
RIGHT SIDE DRIVE SHAFT OIL SEAL
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.

APPLIED VEHICLES:

APPLIED DRIVELINES:

2019-2024 QX50 (J55)
2022-2024 QX55 (FJ55)
2014-2020 QX60 (L50)
2014-2017 QX60 Hybrid (L50H)
AWD only

SERVICE INFORMATION
If fluid is leaking from the front passenger (RH)
side of the transfer assembly, refer to the
information in this bulletin.


The fluid leak is NOT caused by the dust
seal shown in Figure 1.



This repair does NOT require transfer
assembly removal from the vehicle.

RH drive (RH)
Passenger
Sideshaft
Drive Shaft
Transfer
assembly

Fluid leak not
caused by this
dust seal

Fluid visible
here
Figure 1
1. DO NOT REPLACE the transfer assembly.
2. Replace the drive shaft oil seal and the dust seal.


Refer to ITB21-023 for drive shaft oil seal and dust seal replacement.

Infiniti Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained
individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that
a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Infiniti retailer to determine if this
applies to your vehicle.
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REQUIRED SPECIAL TOOL(S)
New or replacement Essential Tools are available from Tech•Mate online: www.techmatetools.com, or by
phone: 1-833-397-3493.
When ordering, keep in mind that the tool part number prefix has changed from “J” to “NI”.
For example, J-52469-1 is now NI-52469-1.

J-52469-1
Seal Protector

Figure 2

J-8092
Driver Handle

J-52280
Driver Handle
Figure 3

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ITB17-001E

J-52282
Seal Installer

Figure 4

J-52390
J-52390
Seal
Installer
Seal
Ins

Figure 5

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ITB17-001E

TY21C Transfer Assembly – Exploded View for Reference Only
Do not disassemble
this section for repairs
in this bulletin
Dust seal
Transfer
cover

Drive shaft oil seal: Fits in
end of ring gear shaft

Ring gear
shaft

Toward front
of vehicle

Figure 6

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ITB17-001E

Transfer cover
shown removed for
reference only

Transfer assembly
shown removed for
reference only

Ring gear
shaft

Fluid leak caused by this seal
(33114-xxxxx); Drive shaft oil seal

Figure 7

To avoid damage to the transfer assembly and new seals, use an appropriate seal installer and seal protector
during the repair.


This repair does NOT require transfer assembly removal from the vehicle.



This repair does NOT require transfer cover removal from the transfer assembly.



Figure 7 shows the transfer assembly removed from the vehicle and the transfer cover removed from
the transfer assembly for reference only.

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ITB17-001E

Passenger (RH) Side Drive Shaft Oil Seal Replacement Recommendations


For passenger (RH) front drive shaft removal and installation, refer to the ESM: TRANSMISSION &
DRIVELINE > FRONT AXLE > REMOVAL AND INSTALLATION > FRONT DRIVE SHAFT > RH >
AWD
o When removing the passenger (RH) drive shaft on a 2019-2024 QX50 or on a 2022-2024 QX55,
and you are replacing the drive shaft oil seal and the dust seal, it is recommended to remove the
support bearing bracket for additional clearance.

To avoid leak recurrence and damage to the transfer assembly and new seals, follow the sequence below on
2019-2024 QX50 and 2022-2024 QX55 vehicles for drive shaft support bearing bracket reinstallation.

1. Place and hold the drive shaft support bearing
bracket into position, ensuring it is flat against the
engine block and flat against the transfer
assembly, and loosely install the bolts (Figure 8).

Finger tighten
this bolt first

Drive shaft
support bearing
bracket

Finger tighten
this bolt second
Figure 8
2. While continuing to hold the drive shaft support bearing bracket into position, finger tighten the top drive
shaft support bearing bracket to engine block bolt first, and then finger tighten the lower drive shaft support
bearing bracket to engine block bolt.
3. Finger tighten the drive shaft support bearing bracket to transfer assembly bolts.

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ITB17-001E

4. While continuing to hold the drive shaft support
bearing bracket into position, torque the top drive
shaft support bearing bracket to engine block bolt
to specification first, and then torque the lower
drive shaft support bearing bracket to engine
block bolt (Figure 9).


Torque this
bolt first

Drive shaft support bearing bracket to engine
block bolt torque: 48.0 N•m (4.9 kg-m,
35 ft-lb)
Torque this
bolt second
Figure 9

5. Torque the drive shaft support bearing bracket to transfer assembly bolts to specification.


Drive shaft support bearing bracket to transfer assembly bolt torque: 48.0 N•m (4.9 kg-m, 35 ft-lb)

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ITB17-001E

PARTS INFORMATION
DESCRIPTION

PART # PREFIX (1)

QUANTITY

SEAL-OIL, DRIVE PINION
(Drive shaft oil seal)

33114

1

SEAL-OIL
(Dust Seal)

33142

1

PIN-COTTER (2)

40073

1

NUT-LOCK, FRONT WHEEL BEARING (Axle Hub Nut)

40262

1

NUT (Lower Strut Nut)
54588
2
(1) Refer to the Electronic Parts Catalog and use the VIN to determine the correct complete Part Numbers for
the vehicle you are working on.
(2) All models except 2019-2024 QX50 (J55) and 2022-2024 QX55 (FJ55).

CLAIMS INFORMATION
Submit a Primary Part (PP) line claim using the following claims coding:
DESCRIPTION
MODEL
PFP
OP CODE
SYM

DIA

QX50 (J55)
Replace RH Front
Axle Seal

QX55 (FJ55)
QX60 (L50)

FRT
2.1

(1)

KX05AA

ZR

QX60 (L50H)

53

2.1
1.9
1.8

(1) Refer to the Electronic Parts Catalog and use the Pinion Drive Seal part number (33114-*****) as the
Primary Failed Part.

AMENDMENT HISTORY
PUBLISHED DATE

REFERENCE

DESCRIPTION

January 20, 2017

ITB17-001

Original bulletin published

March 25, 2020

ITB17-001A

APPLIED VEHICLES and PARTS INFORMATION revised

May 27, 2021

ITB17-001B

APPLIED VEHICLES revised, and two changes made to
the QUANTITY column on page 4

February 16, 2022

ITB17-001C

Changes throughout

June 17, 2022

ITB17-001D

Changes throughout

December 13, 2023

ITB17-001E

APPLIED VEHICLES and Tech•Mate contact information
revised

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ITB17-001E