ITB19-026a

Classification:
Reference:
Date:
EC19-021a
ITB19-026a
December 18, 2019
2019 QX50; FUEL ODOR INSIDE VEHICLE
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Discard all previous versions of this bulletin.
APPLIED VEHICLE:
APPLIED DATE:
2019 QX50 (J55)
Vehicles built before May 31, 2019
IF YOU CONFIRM
A fuel odor inside the vehicle
AND
There are no visible fuel leaks.
ACTION
Replace the EVAP canister filter vent hose with the new one listed in the PARTS INFORMATION on the last
page of this bulletin.
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
1.
Raise and suitably support the vehicle.
2.
Remove the passenger side rear wheel/tire assembly.
EVAP canister
filter vent hose
3.
Disconnect the EVAP canister filter vent hose
from the lower EVAP canister filter connection
in the rear of the wheel house (Figure 1).
EVAP canister
filter
Disconnect here
Figure 1
4.
Disconnect the EVAP canister filter vent hose
from the white plastic EVAP hose connector at
the frame and remove the hose from the
vehicle (Figure 2).
Disconnect here
EVAP canister
filter
Figure 2
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ITB19-026a
5.
Using a suitable tool, remove the white plastic
EVAP hose connector from the frame and
discard (Figure 3).
Remove EVAP
hose connector
Figure 3
6.
Attach two (2) new C-clips to the new EVAP canister filter vent hose at the locations marked in pink in
Figure 4.

The new EVAP canister filter vent hose and C-clips are listed in PARTS INFORMATION on the last
page of this bulletin.
Attach new C-clips at
these 2 locations
Figure 4
7.
Connect the new EVAP canister filter vent hose to the EVAP canister filter.
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ITB19-026a
8.
Pull out slightly on the plastic wheel well trim in the area shown in Figure 5.
Attach upper portion of
EVAP hose to the ABS
harness in this area
using one of the new
C-clips
Route EVAP hose
along the ABS
harness
Figure 5
9.
Route the EVAP canister filter vent hose along the Anti-Lock Braking System (ABS) harness.
10.
Attach the upper portion of the EVAP canister filter vent hose to the ABS harness as shown in Figure 5.
11.
Attach the lower portion of the EVAP canister filter vent hose to the ABS harness with the lower C-clip
(not shown).
12.
Reinstall the passenger side rear wheel/tire assembly.

Tighten the lug nuts in a diagonal pattern to 113 N•m (12 kg-m, 83 ft-lb).
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ITB19-026a
PARTS INFORMATION
DESCRIPTION
Tube Evaporation Piping
(EVAP Canister Filter Vent Hose)
Clip (C-clip)
PART NUMBER
QUANTITY
18793-5NA0A
1
18739-5NA0A
2
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Replace EVAP Canister Filter Vent Hose
(1)
FX65AA
ZE
32
0.3
(1) Reference the Parts Information table above and use the EVAP Tube Piping part number as the Primary
Failed Part (PFP).
AMENDMENT HISTORY
PUBLISHED DATE
REFERENCE
DESCRIPTION
September 17, 2019
ITB19-026
Original bulletin published
December 18, 2019
ITB19-026a
APPLIED DATE added to page 1
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ITB19-026a