Classification:

Reference:

Date:

TF16-002a

ITB17-001a

March 25, 2020

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

APPLIED VEHICLES:

APPLIED DRIVELINE:

2014-2020 QX60 (L50)
2014-2017 QX60 Hybrid (L50)
2019-2020 QX50 (J55)
AWD only
RH drive
shaft

IF YOU CONFIRM
Fluid is leaking from the right side of the transfer
assembly (see Figure 1).

Transfer
assembly

NOTE: The fluid leak is not caused by the seal
shown in Figure 1.

Fluid leak not
caused by
this seal

Fluid leaks
from here
Figure 1
ACTION
1. DO NOT REPLACE the transfer assembly.
2. Reseal the transfer assembly.


Refer to the Electronic Service Manual (ESM), section DLN – Driveline or TRANSMISSION &
DRIVELINE > DRIVELINE > TRANSFER: TY21C - UNIT REMOVAL AND INSTALLATION >
TRANSFER ASSEMBLY for transfer assembly removal, reseal, and installation information.



Refer to page 2 and 3 for additional information.

CAUTION: Be careful not to damage the transfer assembly right side drive shaft seal when reinstalling the
drive shaft.
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.
1/5

TY21C Transfer Assembly – Exploded View
Do not disassemble this
section for the repairs in
this bulletin

Transfer
cover

Drive shaft oil seal: Fits in
end of ring gear shaft
Ring gear
shaft
Toward front of
vehicle

Figure 2

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ITB17-001a

Transfer
cover

Ring gear
shaft

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

Figure 3

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ITB17-001a

PARTS INFORMATION
QX50, QX60 and QX60 Hybrid
SYSTEM GROUP

Transfer assembly

Exhaust

Drive shaft
Strut
Transfer Oil

DESCRIPTION

PART # PREFIX *

QUANTITY

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

33114

1

33142

1

33142

1

38343

1

33111

2

33118

1

11026

2

38440

1

38440

1

37120

8

37171

4

NUT (Center Bearing)

01223

1

BEARING SEAL, EXHAUST JOINT

20695

2

GASKET-EXHAUST

20691

1

NUT

01225

2

NUT

01223

3

BOLT

01125

3

PIN-COTTER
NUT-LOCK, FRONT WHEEL
BEARING
NUT
Genuine Nissan Super Hypoid
GL-5 80W-90

40073

1

40262

1

54588

2

999MP-1XGPP0P (1)

5/8 pint

SEAL-OIL
(Oil Seal)
SEAL-OIL
(Oil Seal)
SEAL-O RING
(O-ring)
SEAL-OIL
(Oil Seal)
SEAL-O RING
(O-ring)
GASKET – FILLER PLUG (Gasket)
BEARING
(Ring Gear Bearing, Transfer cover
side)
BEARING
(Ring Gear Bearing, Transfer cover
side)
BOLT
(Front and Rear Prop Shaft)
NUT (Rear Prop Shaft)

* Refer to the Electronic Parts Catalog and use the VIN to determine the correct complete Part Numbers for the
vehicle you are working on.
(1) Order this item through the Infiniti Maintenance Advantage program: Phone: 877-INF-IMA1 (877-463-4621).
Website order via link on dealer portal www.NNAnet.com and click on the “Maintenance Advantage” link.

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ITB17-001a

CLAIMS INFORMATION
Submit a Primary Part (PP) line claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
R & I Transfer Assembly

(1)

KA01AA

SYM

DIA

ZR

32

FRT
(2)

Replace Front & Rear Oil Seals
KA041A
(2)
(1) Refer to the Electronic Parts Catalog and use the Pinion Drive Seal part number (33114-*****) as the
Primary Failed Part.
(2) Reference the current Infiniti Warranty Flat Rate Manual and use the indicated FRT.

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

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ITB17-001a