ITB16-043

Classification:
Reference:
Date:
FE16-002
ITB16-043
November 1, 2016
2016 Q50; RATTLE FROM PASSENGER SIDE REAR FLOOR WHEN
ACCELERATING OR DECELERATING
APPLIED VEHICLES:
APPLIED VIN AND DATE:
2016 Q50 (V37)
Built before JN1FV7A(*)(*)GM 451415 / March 07, 2016
IF YOU CONFIRM
A rattle noise from the passenger side rear floor occurs when accelerating and/or decelerating through
2400 rpm.
ACTION
1. Remove the rear seat cushion.
2. Remove the “main fuel level sensor unit, fuel filter and fuel pump assembly“ (fuel pump assembly)
inspection hole cover.
3. Apply a piece of foam from the squeak and rattle kit under the fuel feed tube.
NOTE: Between the fuel feed tube and the fuel tank.
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 this 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 retailer to determine if this
applies to your vehicle.
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SERVICE PROCEDURE
Fuel pump assembly
inspection hole cover
1. Remove the rear seat cushion.

Refer to the Electronic Service Manual (ESM),
section SE – Seat for removal and installation
information.
2. Remove the four (4) inspection hole cover nuts
shown in Figure 1.
Figure 1
3. Remove the fuel pump assembly inspection hole
cover.
Harness connector
4. Disconnect the harness connector to the fuel
pump assembly.
Fuel pump assembly
Figure 2
Part #J-50397-7
Cut three inches
5. From Squeak and Rattle Kit J-50397, remove one
(1) piece of foam, part number J-50397-7 (EPDM
SEMI CLOSED CELL), and cut a three (3) inch
piece from it.
Figure 3
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ITB16-043
6. Peel the self-adhesive protective sheet from the 3 inch by 2 inch piece of foam cut in step 5.
7. Attach the foam to the fuel tank under the fuel feed tube where shown in Figure 4 and as shown in
Figure 5.

The longer side of the foam should be placed horizontally.

The foam should be placed such that the fuel feed tube cannot touch the tank as shown in Figure 5.
Fuel feed tube
Place foam in this
area
Fuel tank
Figure 4
2 inch by 3 inch
piece of foam
Foam placed between fuel
feed tube and fuel tank
Fuel feed tube
Fuel tank
Longer side of foam
Figure 5
8. Re-assembly the vehicle in the reverse order of disassembly.
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ITB16-043
PARTS INFORMATION
DESCRIPTION
EPDM SEMI CLOSED CELL (Foam)
PART NUMBER
J-50397-7 (1)
QUANTITY
1
(1) Additional EPDM SEMI CLOSED CELL can be purchased through Tech•Mate at 1 (800) 662-2001.
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
Install Foam
(1)
FX56AA
SYM
DIA
FRT
ZL
32
0.3
(1) Refer to the electronic parts catalog (FAST) and use the fuel pump assembly as the PFP.
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ITB16-043