Classification:

Reference:

Date:

FA12-006B

ITB13-008B

June 9, 2021

CLICKING NOISE FROM FRONT OR REAR AXLE DURING
TAKE-OFF/ACCELERATION
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.

APPLIED
VEHICLES:

2009–2013 EX35/EX37 (J50)
2009–2013 FX35/FX37/FX50 (S51)
2011–2012 G25 Sedan (V36)
2009–2013 G37 Convertible (HV36)
2009–2013 G37 Coupe (CV36)
2009–2013 G37 Sedan (V36)
2013 JX35 (L50)
2011–2013 M37/M56 (Y51)
2012–2013 M35 Hybrid (HY51)
2011–2013 QX56 (Z62)
2015 Q40 (V36)

2016-2021 Q50 (V37)
2014–2021 Q60 Coupe (CV36, CV37)
2014–2015 Q60 Convertible (HV36)
2014–2019 Q70 (Y51)
2014–2018 Q70 Hybrid (HY51)
2014–2021 QX50 (J50, J55)
2014–2020 QX60 (L50)
2014–2017 QX60 Hybrid (L50H)
2014–2017 QX70 (S51)
2014–2021 QX80 (Z62)

IF YOU CONFIRM
Customer’s concern of a “clicking” noise coming from either left or right front/rear axles during takeoff/acceleration.
ACTION
Apply Molykote M77 grease (P/N 44003-7S000) to the hub bearing surfaces.
NOTE:
 Do not remove the axle from the hub or transmission for this bulletin.


Refer to the Electronic Service Manual (ESM) for model specific torque specifications.

IMPORTANT: The purpose of “ACTION” (above) is to give you a quick idea of the work you will be performing.
You MUST closely follow the entire Service Procedure as it contains information that is essential to successfully
completing the repair.
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 retailed to determine if this
applies to your vehicle.

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SERVICE PROCEDURE
NOTE: The photos in this procedure are examples and may not look exactly like the vehicle you are working
on.
Lock Nut

1. Remove the front or rear (depending on
model) wheel bearing Cotter Pin and Lock
Nut from the axle.
Some of the APPLIED
VEHICLES require the axle nut to be
removed with a Cape Chisel, to
prevent axle thread damage. Refer to
ITB21-002 for specific details.
NOTE: Do not remove the axle from the
hub or transmission for this bulletin.

Cotter pin
Figure 1

2. Push the axle back to allow application of
Molykote M77 Grease.
3. Apply a moderate coat of Molykote (P/N
44003-7S000) to the entire (front or rear)
wheel hub bearing surface (see Figure 2).
4. Re-install the (front or rear) wheel bearing
Lock Nut and Cotter Pin per the Service
Manual instructions.

Bearing surface

To avoid the risk of minor
personal injury or property damage, replace
the cotter pin after every use. If not done, a
drive axle may become loose.

5.

Figure 2



Refer to model specific ESM for Lock Nut replacement requirements.



Refer to the model specific ESM for wheel bearing Lock Nut torque specifications.

Test drive the vehicle to confirm the incident is resolved.

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ITB13-008B

PARTS INFORMATION
DESCRIPTION
Nut-Lock, Wheel Bearing (Wheel hub lock nut) (1)
Cotter Pin (1)
Washer (1)
Molykote M77 Grease

PART NUMBER
(2)
40073-0L700 (3)
40037-1CA0A (4)
44003-7S000 (5)

QUANTITY
1 per side
1 per side
1 per side
As needed

(1)
(2)
(3)
(4)

Single-use part
Refer to the electronic parts catalog for model specific part number.
Not required for wheel hub lock nut that is staked in place.
EX35, EX37, FX35, FX37, FX50, G25 Sedan, G37 Convertible/Coupe/Sedan, M35 Hybrid, M37, M56, Q40,
2014-2015 Q60 Coupe, Q60 Convertible, Q70, Q70 Hybrid, QX50, QX70.
(5) P/N 44003-7S000 (Molykote M77 Grease) is considered a shop supply. DO NOT include it on your
warranty claim.

CLAIMS INFORMATION
Submit a Primary Part (PFP) line claim using the following claims coding:
One Side
DESCRIPTION
APPLY GREASE TO BEARING SURFACE
(ON CAR, ONE SIDE)

PFP

OP CODE

SYM

DIA

FRT

(1)

MX22AA

ZL

21

0.5

DIA

FRT

21

0.7

(1) Reference the Electronic Parts Catalog and use hub bearing part number as the PFP.
Both Sides
DESCRIPTION
PFP
OP CODE
SYM
APPLY GREASE TO BEARING SURFACE
MX23AA
ZL
(1)
(ON CAR, BOTH SIDES)
(1) Reference the Electronic Parts Catalog and use hub bearing part number as the PFP.

AMENDMENT HISTORY
PUBLISHED DATE

REFERENCE

DESCRIPTION

March 22, 2013

ITB13-008

Original bulletin published

January 17, 2020

ITB13-008a

APPLIED VEHICLES and PARTS INFORMATION revised

June 9, 2021

ITB13-008B

APPLIED VEHICLES updated and notice added to step 1

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ITB13-008B